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New Product: Lunar Volvelle https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn-4azjh-z5dta-h54gh-ls2de-pyh5d-h8yzb-sawgb-6cdlw-a6pbj-nmn9m-c8j9g-68f7x-eh6l6-at3pw-hwp95-gfg89 monthly 0.5 2025-11-26 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1762051520571-P3ETD9EOC4BNHOT26XRI/PXL_20251102_023427426.jpg Celestis Nova Blog - Rotary Table Peninsulas https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1762051524112-NW3G3QDLMZT58NWZ5NZR/PXL_20251102_023140035.jpg Celestis Nova Blog - Rotary Table Peninsulas https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1762051528017-E7J7PZXV09W5FQJ64FVM/PXL_20251102_022954505.jpg Celestis Nova Blog - Rotary Table Peninsulas https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn-4azjh-z5dta-h54gh-ls2de-pyh5d-h8yzb-sawgb-6cdlw-a6pbj-nmn9m-c8j9g-68f7x-eh6l6-at3pw-hwp95 monthly 0.5 2025-11-02 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1761827472126-RXLLXE1XWD0NZY5U9BJN/PXL_20250501_231445935.jpg Celestis Nova Blog - 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Quadrant Complete! https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1761827488529-6VIY9SQ9YYDL58GZUV3D/PXL_20251028_221207370.jpg Celestis Nova Blog - Quadrant Complete! https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn-4azjh-z5dta-h54gh-ls2de-pyh5d-h8yzb-sawgb-6cdlw-a6pbj-nmn9m-c8j9g-68f7x-eh6l6-at3pw monthly 0.5 2025-10-30 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1761826898406-J86JLPD5ZO5DE9EGWN13/PXL_20251022_233555249.jpg Celestis Nova Blog - Arbor Press Rebuild https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1761826899726-UAP3W2K27SVHTZR1GEZR/PXL_20251022_234033382.jpg Celestis Nova Blog - Arbor Press Rebuild https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1761826901588-7XEZ4SX2WGKJUU8VLGQD/PXL_20251029_145714026.jpg Celestis Nova Blog - Arbor Press Rebuild https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1761826902898-8VK4JMAJF3ZA89FXCOLJ/PXL_20251029_152034218.jpg Celestis Nova Blog - Arbor Press Rebuild https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1761826907324-HDS0HNW1I2139NZ6O5VN/PXL_20251029_165708891.jpg Celestis Nova Blog - Arbor Press Rebuild https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1761826907376-K76XX1Y2LHV2N6RLV6EF/PXL_20251029_170120486.jpg Celestis Nova Blog - Arbor Press Rebuild https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1761826912871-CPRPNNJ0LJ0S744RHW71/PXL_20251029_174014378.jpg Celestis Nova Blog - Arbor Press Rebuild https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1761826912178-FNNNXXK572EUEE601SUJ/PXL_20251029_222705702.jpg Celestis Nova Blog - Arbor Press Rebuild https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn-4azjh-z5dta-h54gh-ls2de-pyh5d-h8yzb-sawgb-6cdlw-a6pbj-nmn9m-c8j9g-68f7x-eh6l6 monthly 0.5 2025-10-30 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/37376fd1-f2aa-41a1-a496-f4a0deed37d2/PXL_20251012_165333982.jpg Celestis Nova Blog - Calculation Module Plates - Make it stand out Starting with roughing out the perimeter on the portaband. The shape was traced from the acrylic template. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/00c84a53-6b16-44a1-8bbe-1177fee15a7c/PXL_20251012_164037350.jpg Celestis Nova Blog - Calculation Module Plates - Make it stand out Drilling first the holes for the support pillars as primary datums, using the acrylic template as a drill guide. Here the two holes on the left have been drilled and have pins to maintain alignment while the third hole (on right) is drilled. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/88a929d8-4742-4ff9-a0bc-e2336d61d127/PXL_20251012_170749969.jpg Celestis Nova Blog - Calculation Module Plates - Make it stand out Sequentially adding the other two plates to ensure the end result has all three pillar holes match drilled together, and each plate has its three holes correctly located relative to the roughed outline https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/b4ce8458-e302-472f-a29d-738c608a9c32/PXL_20251012_182734675.jpg Celestis Nova Blog - Calculation Module Plates - Make it stand out Each plate’s acrylic template is then dowel pined to the pillar holes and used as a drill template for the remaining holes. The perimeter is also routed to match the acrylic shape with a template bit https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/5fddeedc-983e-4071-adb9-6fd75202b084/PXL_20251012_191857810.jpg Celestis Nova Blog - Calculation Module Plates - Make it stand out After deburring and edge sanding, the final plates assembled with the pillars https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn-4azjh-z5dta-h54gh-ls2de-pyh5d-h8yzb-sawgb-6cdlw-a6pbj-nmn9m-c8j9g-68f7x monthly 0.5 2025-10-14 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c3dbd1dd-453a-401a-9a61-d6626e79cbd6/PXL_20250918_215604617.MP.jpg Celestis Nova Blog - First Calculation Gears - Make it stand out Machining the teeth https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/25fee12b-c650-4324-b070-cb89a3fb0450/PXL_20250928_011049214.jpg Celestis Nova Blog - First Calculation Gears - Make it stand out Parting off after machining down the back side https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/36a09e7c-f7e6-4ed5-bdbf-db8d3b23df18/PXL_20251004_133152453.jpg Celestis Nova Blog - First Calculation Gears - Make it stand out Finished O Arbor https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn-4azjh-z5dta-h54gh-ls2de-pyh5d-h8yzb-sawgb-6cdlw-a6pbj-nmn9m-c8j9g monthly 0.5 2025-10-07 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e5a12617-36d8-406a-9efa-19df26d22639/PXL_20250918_115831414.jpg Celestis Nova Blog - Arbors Abundant - Make it stand out Arbors in acrylic mockup of calculations module https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn-4azjh-z5dta-h54gh-ls2de-pyh5d-h8yzb-sawgb-6cdlw-a6pbj-nmn9m monthly 0.5 2025-09-18 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/89a51d6d-1ab0-4f4e-8059-48a353c8ed06/PXL_20250915_220206651.MP.jpg Celestis Nova Blog - Calculation Pillars - Make it stand out Turning the upper pillars https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/a9560aed-1748-4a96-ae21-9794bb405e09/PXL_20250907_142731289.jpg Celestis Nova Blog - Calculation Pillars - Make it stand out Turning the lower pillars https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/93a3c633-b5c9-4de0-8e24-12e4478b3bb6/PXL_20250908_001316074.jpg Celestis Nova Blog - Calculation Pillars - Make it stand out The three lower pillars https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn-4azjh-z5dta-h54gh-ls2de-pyh5d-h8yzb-sawgb-6cdlw-a6pbj monthly 0.5 2025-09-18 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/92400d2c-5db1-4e5f-8a1a-dfa343a2e63b/PXL_20250829_195301381.jpg Celestis Nova Blog - Case Nearing Completion - Make it stand out Machining the pillars from round bar https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/21ede923-cc64-4acb-bfb5-34da5adf8bfe/PXL_20250830_131456084.jpg Celestis Nova Blog - Case Nearing Completion - Make it stand out Pillars installed on the base with a large 5/16 structural bolt screwed into the base https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/831008fc-99a0-45c7-8f8f-92fd26d19256/PXL_20250906_142025750.jpg Celestis Nova Blog - Case Nearing Completion - Make it stand out Uprights installed on the pillars with the roof, and glass installed on all sides (back has a mirror instead). https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn-4azjh-z5dta-h54gh-ls2de-pyh5d-h8yzb-sawgb-6cdlw monthly 0.5 2025-09-08 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/085ba7a9-5c25-4e43-9172-0b3a956eac80/PXL_20250816_131425722.jpg Celestis Nova Blog - Painting the Case - Make it stand out Sanded between coats https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7a1930ec-b04c-4ead-a008-a9337113f8a8/PXL_20250817_015449206.jpg Celestis Nova Blog - Painting the Case - Make it stand out Final coat. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/11856f09-b522-4577-a868-590caee7dd1a/PXL_20250824_024422506.jpg Celestis Nova Blog - Painting the Case - Make it stand out With the glass and uprights in house, I made a 1:1 pattern to determine the upright mounting locations. I was concerned with the glass coming in with dimensional variation but it was accurate to the scale I could measure it. https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn-4azjh-z5dta-h54gh-ls2de-pyh5d-h8yzb-sawgb monthly 0.5 2025-08-25 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/2c6dbd20-c1fe-47c0-b216-b94261f378a8/PXL_20250809_192916326.jpg Celestis Nova Blog - Work Continues on the Case - Make it stand out Using every precaution to not drop the clock (inside the bag for cleanliness) while setting the position of the post supports in the box frame https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn-4azjh-z5dta-h54gh-ls2de-pyh5d-h8yzb monthly 0.5 2025-08-13 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/a8576c96-f08f-4964-9413-d6aae7e52da7/PXL_20250725_194621840.jpg Celestis Nova Blog - Carbon Escape Wheel - Make it stand out Cutting out the carbon frames from 0.5mm (.020”) sheet stack, double stacked between two sacrificial acrylic plates for backing. Retrospectively would have used cast acrylic since the extruded acrylic partially melted into a bit of a mess. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/947f6052-0819-4696-ad0e-e2f36940fef6/PXL_20250726_210434404.jpg Celestis Nova Blog - Carbon Escape Wheel - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c8154165-5966-4f2d-bda1-01ab9f34c9ba/PXL_20250807_215145320.jpg Celestis Nova Blog - Carbon Escape Wheel - Make it stand out The finished component parts: 2 carbon frames, the Delrin hub, and the 5 Delrin AF teeth. I added some holes to the teeth to help the adhesive flow in and get more of a mechanical bond. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/dc1b1bc6-b2a2-43a7-935d-9943d99842c1/PXL_20250807_220330360.jpg Celestis Nova Blog - Carbon Escape Wheel - Make it stand out All parts bonded and ready for post-machining to trim everything to dimension https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8f749481-8ea6-4a89-af36-724b32d613cd/PXL_20250808_122816632.jpg Celestis Nova Blog - Carbon Escape Wheel - Make it stand out Back on the rotary table for the post-machining https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/52e155d9-2c6a-472f-8148-15afb9fd024c/PXL_20250808_162053623.jpg Celestis Nova Blog - Carbon Escape Wheel - Make it stand out Detail of one of the final teeth https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn-4azjh-z5dta-h54gh-ls2de-pyh5d monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8f6630ba-4718-4fe7-8527-839edba53d82/PXL_20250802_201859106.jpg Celestis Nova Blog - Design Update: Box Frame - Make it stand out Box Frame https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn-4azjh-z5dta-h54gh-ls2de monthly 0.5 2025-08-04 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/2fcacedd-2e54-48d4-ad17-a26485c7a494/PXL_20250730_224145535.jpg Celestis Nova Blog - Design Update: Lighter Escape Cam - Make it stand out New design on left, old design on right: https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1ad85b75-e847-4e79-b796-1e2e07f9f63a/PXL_20250726_144225739.jpg Celestis Nova Blog - Design Update: Lighter Escape Cam - Make it stand out Such fun on the rotary table https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn-4azjh-z5dta-h54gh monthly 0.5 2025-07-30 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/382fcf79-739d-4a23-a6c1-c99eb2bd8aed/PXL_20250730_224115201.jpg Celestis Nova Blog - Design Update: Lighter Fly - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn-4azjh-z5dta monthly 0.5 2025-07-30 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/6ce29f68-50e8-435d-b32a-0cc3f7835f02/16_LightEscape8.png Celestis Nova Blog - Escapement Testing - Mostly Tuned - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn-4azjh monthly 0.5 2025-07-22 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7b446613-8aa3-47ff-9c0f-3bec4c9cb8b5/PXL_20250718_151524477.MP.jpg Celestis Nova Blog - Escapement Testing - New Chatons - Make it stand out The new design in center, next to the previous design. Note that the jewel is offset from center, this is the side facing the front of the clock where the arbor interfaces https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/74f55141-7ffd-4946-bcc9-5571d046dfce/PXL_20250718_151502037.jpg Celestis Nova Blog - Escapement Testing - New Chatons - Make it stand out The new design in center, next to the previous design. The retaining screw on the bushing can be seen, along with a cross hole in the center piece useful to help rotate it https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d7c411e3-6b5c-4427-8f36-1aa893e4d69f/PXL_20250718_194542236.jpg Celestis Nova Blog - Escapement Testing - New Chatons - Make it stand out Three instances of the new chaton design on the first, second, and third arbors https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg-8dmgn monthly 0.5 2025-07-19 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7132b1ab-3f01-451a-a434-f2e16356f492/Deflections.PNG Celestis Nova Blog - Escapement Testing - Weight Redistribution - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7f3930c3-f484-49e4-8a4b-d3a25ac851dc/5_Trial5_NoDirect.png Celestis Nova Blog - Escapement Testing - Weight Redistribution - Make it stand out Data with all weight pulling upwards https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/287432f3-ef91-46e0-9d4a-60b294b35869/6_Trial6_1Direct.png Celestis Nova Blog - Escapement Testing - Weight Redistribution - Make it stand out Data for same weight, but 1/3 shifted to downwards pulling side. Overall variation goes up and the 6-Tick pattern (middle right plot) gets stronger https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg-mc4zg monthly 0.5 2025-07-16 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/b90011b0-0400-4684-8258-983b4acae794/Harmonics6TickInterval.jpg Celestis Nova Blog - Escapement Testing - 6 Ticks - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/db0e4449-87d8-4b6d-bf22-2b45da8b7d33/TickPeriods.PNG Celestis Nova Blog - Escapement Testing - 6 Ticks - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c38cd748-1253-42da-8c21-85ff3493c8cb/SplitWedgeTest_ContiniousHarmonics.png Celestis Nova Blog - Escapement Testing - 6 Ticks - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5-ttmlg monthly 0.5 2025-07-16 https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-one-nt2m5 monthly 0.5 2025-07-16 https://www.engineeringcommons.org/celestis-nova-blog/blog-post-title-two-yxb8e monthly 0.5 2025-07-16 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/ff6c66e9-b033-45c4-9c30-1dd9f3cd3489/PXL_20250706_130927994.jpg Celestis Nova Blog - Test Blog Intro - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.engineeringcommons.org/contact daily 0.75 2020-04-14 https://www.engineeringcommons.org/home daily 1.0 2025-07-16 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c82814f4-5baf-4d1b-b0d3-c15846cbcb28/Pin-Slot.PNG Home 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https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1583463035792-BX4O49S9LNBK6BQOXI2Q/EngineeringCommons_Spencer.jpg Who We Are https://www.engineeringcommons.org/sla-printing daily 0.75 2020-05-09 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1581479505879-IVPJQKYOBIHG9F89IPV2/IMG_20200211_203425.jpg SLA 3D Printing Torture Cube https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1581479505269-0G25NY8R5UZ6YH6V5V6U/IMG_20200211_183738.jpg SLA 3D Printing Test Ring https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1581562797511-A8KBM0G5SXUODUYPC71H/IMG_20200212_063433.jpg SLA 3D Printing Eiffel Tower https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1581562931097-H542ISV1B9C4X2HL8AHV/IMG_20200212_185938.jpg SLA 3D Printing Model Figurine https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1581640804250-UK7Y763XA1JN93VFX5C5/IMG_20200213_171954.jpg SLA 3D Printing Notre Dame https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1581640821919-JUP5MDJ18FFBURIN64R4/IMG_20200213_065046.jpg SLA 3D Printing Model Figurines https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1581722473555-XWGJMSV7XYYZS4SNXZ1G/IMG_20200214_153919.jpg SLA 3D Printing Articulating Octopus https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1583191661150-Z3MDVL9MLH2TGGM06ZWE/IMG_20200302_154356.jpg SLA 3D Printing Notre Dame post print https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1583191657499-1IDY6SJLQE77H6WNL79Y/IMG_20200302_060759+%281%29.jpg SLA 3D Printing Notre Dame while printing https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1585943357192-SPZ6VSOOELNUN47O734E/IMG_20200329_091555.jpg SLA 3D Printing Fuel Filter Wrench https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1583093189108-B0T8XCH4AWATXETDBD5N/EngineeringCommons_Eiffel_SLA_Print.gif SLA 3D Printing https://www.engineeringcommons.org/lathes daily 0.75 2020-06-24 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1592577652267-UX7A4WO3UP19GCIUFDM5/IMG_20200611_193240+%281%29.jpg Lathes https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1580688435855-2G8CUR9F4XXR25AEHURQ/IMG_20200202_163711.jpg Lathes Example Rod (304 Stainless, LM250) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1592577659775-431OMJ2PB5L9B9WVUOMT/IMG_20200610_193605.jpg Lathes https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1580688418519-WZ8XKJGB2C4HXJX36J4W/IMG_20190705_075737.jpg Lathes Model Feed Horn (Brass, G0765) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1580688430939-UWNPRKETQ4PL2TYRI4I1/IMG_20190113_164004.jpg Lathes Engine Connecting Rod (Mild Steel, G0765) 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way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1581883140563-9YNPACXAQS27OTDKCRA3/IMG_20200216_125237.jpg Equipment https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c2fa925d-5e94-4186-b979-6156e8e07d40/PXL_20211013_171207021.jpg Equipment https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1581883976974-Y3FEUM0JLH6TT9B5XB3W/IMG_20200216_125248.jpg Equipment https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1581884536800-R7KLJ22XCHORKDZ5VOR1/IMG_20200216_125320.jpg Equipment https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1581884938207-KMQTSPCP23W976UQ4QEM/IMG_20191128_131006.jpg Equipment https://www.engineeringcommons.org/rates daily 0.75 2020-05-18 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1583699647665-18D156XRXQ1RJ9QYIEOG/EngineeringCommons_WJ_Cost_Table.PNG Rates https://www.engineeringcommons.org/laser-cutting daily 0.75 2020-05-12 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1585942495441-5QGFIVLQIJC4RLVTHE1R/IMG_20200331_141659.jpg Laser Cutting Glowforge Demo (1/8" MDF) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1586824587964-6R6Y5I7LTJ7F08F0ATYY/IMG_20200404_093640.jpg Laser Cutting Tree of Gondor (20lb Paper) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1586824605697-5Y7L1NV5B8LFRTZ0GE4O/IMG_20200410_173704.jpg Laser Cutting Game Piece Box (1/8" MDF) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1587334418301-YQCFL390JLSG8NZIU4C5/IMG_20200407_165302.jpg Laser Cutting Seals (1/8" High-Temp Silicon) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1589162919487-Y7UQ1F7W3TW6NYBKH18T/96687759_10157538492084118_4171243023507652608_n.jpg Laser Cutting 1/8" Walnut https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/a864977c-ed16-4201-ac53-0bb46c426dd6/PXL_20211112_220019896.jpg Laser Cutting Orrery Earth Arm https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/dc65700a-ac01-4479-9094-fdf610125955/PXL_20211223_230418946.jpg Laser Cutting Orrery Component Layout https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/343691a6-fd39-4445-b79d-962dcc9f4266/PXL_20220211_004909791+%283%29.png Laser Cutting 4x6 Bit Organizer https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/45b6e2a2-dccd-4419-b7c9-fbf1e4f23706/PXL_20220109_213506104.jpg Laser Cutting https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1587336376522-XONKBNE7F1C9CG0REWV4/EngineeringCommons_LaserCut_Gif2.gif Laser Cutting https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1589290686563-NIBMHQOUHQ5WDIQ7LFE3/EngineeringCommons_LaserRaster.gif Laser Cutting https://www.engineeringcommons.org/orrery-resources daily 0.75 2024-08-12 https://www.engineeringcommons.org/orrery-design daily 0.75 2025-08-26 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/755ce6ea-13ce-453d-8ab4-e3c9e41472be/Gears1.PNG Orrery Design https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/46f5aaaa-1235-4234-813b-2dd2bba6f054/Gears2.PNG Orrery Design https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d04abfa1-e4f7-4d3a-ae04-7d1531d91b97/Capture.PNG Orrery Design Initially selected gear sets for the example orrery. Note that it requires three independent input shafts. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/badbee30-0c64-419a-a6a1-0ec060eaa173/Capture.PNG Orrery Design Simple Option: Gear sets adjusted to permit a common input shaft. The sum of each gear pair is 109, and the errors are 0.14%, 1.50%, and 1.01% for Mercury, Venus, and Earth. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/2dc8296a-c2ce-4586-a12a-7aa37381f370/Capture.PNG Orrery Design Complex Option: To retain the original accuracy, one can alternatively add ‘idler’ gears. The number of teeth doesn’t affect the actual gear ratio, so you have some flexibility to utilize. Here I’ve selected tooth counts that keep all the gears in a line for illustration. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/6b82c7a3-f634-4ac0-8a30-50e239cc848f/Gears5.PNG Orrery Design - Make it stand out Integrated design, the gear is fixed to the tube and has groves machined into it to guide the rolling ball bearings. This design requires machined gears and will require the most tooling to construct, likely a 4-axis mill. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/63bb2aee-bda8-4a84-8a34-f66cb2d50ac5/Gears7.PNG Orrery Design - Make it stand out The design used in the coffee table orrery, each tube getting a brass disk soldered on that sits on a laser cut gear. A small pin installed in the gear fits into a slot in the disk to keep both pieces rotating together. This was a good solution for the tooling that was available to me at the time (manual mill+lathe and laser cutter) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/82c8f597-6779-4d7b-accf-09ab5a146ae7/Gears6.PNG Orrery Design - Make it stand out An easier to produce design that avoids machining by splitting into the tube (stock material cut to length) and the gear (could be 3D printed or laser cut) and uses commonly available thrust bearings. The tube and gear will need to be glued, press-fit, or otherwise fixed together. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1eac3305-2e81-46f9-ac5f-24a83aaf75e3/PXL_20210929_192300036.jpg Orrery Design - Make it stand out Ivory Earth and Moon at the Cranbrook Institute Orrery https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/644d19b8-35f4-44c2-9025-50c131227b72/2019-04-22-14-42-37-1200x800.jpg Orrery Design - Make it stand out Painted globe Earth model (origin unknown) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1d9b82da-7152-40a6-b851-399dbee928c6/PXL_20211231_005308726.jpg Orrery Design - Make it stand out 3D printed sandstone Earth and Moon in Coffee Table Orrery https://www.engineeringcommons.org/orreries daily 0.75 2024-08-13 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1640911038667-FDNDT5W8QEMYPIP56O4P/orrery-g9cf27fbb8_1280.png Orreries https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1640911069981-580DQMFIGP30FUN5I74M/PXL_20211226_234728375.jpg Orreries https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1640911107451-MVZ67FD32KFZT13940UL/Capture.PNG Orreries https://www.engineeringcommons.org/coffee-table-orrery daily 0.75 2022-10-14 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/6f14bc58-cd5c-4c1d-936e-56d827114024/PXL_20211011_010133336.jpg Coffee Table Orrery https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/27d4d2cc-a2c8-445a-aee2-df89c4cd7cc3/PXL_20211011_010147671.jpg Coffee Table Orrery https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/76d9af9a-66cd-487d-946b-f7e575fcea29/PXL_20211011_010211362.jpg Coffee Table Orrery https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/b3270439-8f5b-4d59-b1ac-757f08918f20/PXL_20211015_192922443.jpg Coffee Table Orrery 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https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/60fe0d74-b003-4865-9787-96835ff4f08c/PXL_20220113_024904894.jpg Coffee Table Orrery https://www.engineeringcommons.org/stern-brocot-tree daily 0.75 2022-01-02 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/2f805d56-4e0a-44c6-9c48-60d5d5628732/sternBrocotTree.PNG Stern-Brocot Tree Figure 1. The Stern-Brocot Tree down to three levels/iterations. Note how each new level both expands the range of fractions as well as decreases the difference between adjacent fractions (higher resolution, and therefore lower error for any nearby target gear ratio). https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/00cb2f0a-8a4c-4eda-aa77-c0bbfd22b40a/sternBrocot2.PNG Stern-Brocot Tree Figure 2. Resolution/Error of Stern-Brocot Tree after various iterations. Notice that while the range expands and error reduces with each resolution, error at the extremes and other distinct locations remains relatively high. It’s largely chance whether your desired ratio ends up in these regions or not. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/696df768-9b95-4425-af5c-87d48bd10a71/sternBrocot3.PNG Stern-Brocot Tree - Make it stand out Figure 3. How many iterations it takes to achieve 1%, 0.1%, & 0.01% accuracies for randomly generated gear ratios between 1:1 and 1:10. Notice that there is incredible variation as the required accuracy is tightened. Also notice the peaks (required many iterations to get close) appear to be on simple numbers that occur early in the tree which would be very unexpected. Closer inspection reveals these are actually a pair of peaks straddling the nominal value. While the tree quickly includes the integer value, it takes a long time to return to capture a number adjacent to it. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/45d08e04-6e05-4f28-831e-8c8d75abba9d/calcs.PNG Stern-Brocot Tree - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9fab904b-de26-4ade-bfea-8ea1f0993942/calcs2.PNG Stern-Brocot Tree - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.engineeringcommons.org/bruteforce-gear-solvers daily 0.75 2022-01-02 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8f7c5959-1f20-4392-bb89-71a227122e77/Code_Single.PNG Brute-Force Gear Solvers - Make it stand out Simple MATLAB code for calculating a single-stage gear set (File) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c56e54bd-766f-4181-b467-59344646aaf0/MultiStageSolutions.PNG Brute-Force Gear Solvers - Make it stand out Solutions for a target ratio of 3.14159 occurring on diagonal as long as the considered gear ratios are sorted. https://www.engineeringcommons.org/about-orreries daily 0.75 2022-01-03 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/317d5c94-989f-4c4e-90aa-87d3bc591fb6/Orrery_-_Nov._2010.jpg About Orreries - Make it stand out A simple orrery showing from left to right: Jupiter, Mars, Earth, Venus, Mercury, the Sun, and Uranus. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/aaeaec1e-b90d-41ca-b353-e21d0be170f4/800px-Mechanical_model_of_Earth%2C_Sun%2C_Moon_and_inner_planet_01_%289372527901%29.jpg About Orreries - Make it stand out A Tellurion (Sun+Earth+Moon) https://www.engineeringcommons.org/antikythera-mechanism daily 0.75 2023-04-02 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1642958458601-ZI7G2LUINO8V2O3FAKVW/Pin-Slot.PNG Antikythera Mechanism https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1642958957612-Z0AMYYF0C4TOH9KU0UHD/Epicycle_et_deferent.png Antikythera Mechanism https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/bec911c2-220b-4eff-8284-066ebc880d20/PXL_20220923_221822337.jpg Antikythera Mechanism https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/60885a03-ed59-4ec8-988d-2ed4155193f2/The-equation-of-time-and-its-two-eccentricity-and-obliquity-components-ie-the.png Antikythera Mechanism https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c6cae1df-eb12-486d-a063-4875fccfec32/PXL_20230303_173640571.jpg Antikythera Mechanism https://www.engineeringcommons.org/anomaly-correction daily 0.75 2022-01-26 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/6caf1538-663a-4d47-ad18-372b42c2abc8/ezgif.com-gif-maker+%282%29.gif Anomaly Correction - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/969a2d73-2712-41c9-b44c-44fde0ed9a1d/ezgif.com-gif-maker+%283%29.gif Anomaly Correction - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8c075a76-56f1-48af-bd86-0d3342324cf3/Capture.PNG Anomaly Correction - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c1acecac-9a2f-414f-b394-8eefb4c8b791/Capture.PNG Anomaly Correction - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/746807c8-280a-4d0e-84d4-feadc190e5a9/Pin-Slot_Eq.PNG Anomaly Correction - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c640de44-070b-4250-be3b-a34d035f1710/Curve.PNG Anomaly Correction - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c3e93102-502d-4e8d-bc1f-07a0c6c341ec/Capture.PNG Anomaly Correction - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/853d965c-4777-41e4-8583-f832bb65f62a/Moon.gif Anomaly Correction - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/3ff76bae-d6f4-48f5-a083-1bc4b4227d2a/Mercury.gif Anomaly Correction - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d45ad738-25f7-4aaa-a723-a646463c33c6/Venus.gif Anomaly Correction - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/99563254-d3ab-4b69-ae78-067a83bad111/Mars.gif Anomaly Correction - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/90616283-ec7b-4581-ab98-d68e202d1798/Saturn.gif Anomaly Correction - Make it stand out Whatever it is, the way you tell your story online can make all the difference. 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https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/ca91dc2f-0a25-4b1e-abea-774b31cd9584/PXL_20240530_124148778.jpg Research Photo Gallery - Jens Olsen World Clock https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/b97a0a57-783c-4d89-a868-8f284216aed7/PXL_20240530_124150065.jpg Research Photo Gallery - Jens Olsen World Clock https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8ee5547d-fe80-45cb-b767-d90c8c8a36fe/PXL_20240530_124153406.jpg Research Photo Gallery - Jens Olsen World Clock https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/93e540b6-4fc4-46f3-9c73-1e88ed35c411/PXL_20240530_125511234.jpg Research Photo Gallery - Jens Olsen World Clock https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e680286b-fb9b-4b9c-840f-368d039ee8b5/PXL_20240530_125516272.MP.jpg Research Photo Gallery - Jens Olsen World Clock https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c7858a87-3ae2-400e-8cce-6255c68db338/PXL_20240530_125714589.jpg Research Photo Gallery - Jens Olsen World Clock https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/be5aa6a2-cae1-4885-bad6-ae9242621b01/PXL_20240530_125731922.jpg Research Photo Gallery - Jens Olsen World Clock https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c654755d-d069-4636-beb1-2f7bdb40505b/PXL_20240530_125737112.jpg Research Photo Gallery - Jens Olsen World Clock https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f6276896-01cd-4c16-b4b0-3cd4d9bdaaec/PXL_20240531_114839413.jpg Research Photo Gallery - Jens Olsen World Clock https://www.engineeringcommons.org/research-photo-gallery/american-clock-and-watch-museum monthly 0.5 2024-10-16 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d19e224e-5fd6-4d32-8868-2bebf725fa62/PXL_20241006_135443144.jpg Research Photo Gallery - American Clock and Watch Museum, CT Clock Outside https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/39887009-712d-4f97-ac45-8bcd24c9ad57/PXL_20241006_141230383.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/0ab76884-7116-4cfa-9c13-814b86730440/PXL_20241006_141237563.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/2a354aec-cf9d-41f1-b27f-c7dc5cd741f2/PXL_20241006_141241850.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/a1d92202-041b-4aef-8d58-c5eba085a31f/PXL_20241006_141253949.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/2d31d397-af9a-4f32-a448-40170d35d248/PXL_20241006_141326168.jpg Research Photo Gallery - American Clock and Watch Museum, CT An interesting arrangement of gear cutting of wood blanks, with three cutters for the two flanks of the gear teeth and the gullet. Similar to a rake and chisel arrangement on a saw blade, although it looks like the drawing may not be showing the right sequence. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9e2ff78a-dae4-49cc-bf0f-d57a22459eb4/PXL_20241006_141337987.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e1cde020-3d23-4324-87cd-d5f684116745/PXL_20241006_141340264.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/308c86c5-9279-4544-9377-eaf5ca81f418/PXL_20241006_141341805.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/19690e7b-93b0-49e7-915a-2c78bdae97e4/PXL_20241006_141344826.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9f36ca61-1134-4297-b92e-16ae7c025c24/PXL_20241006_141409215.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8a703cfc-7d17-4d39-b7b2-2df5217c4b54/PXL_20241006_141415599.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8821d982-903b-46dc-a60a-fd59a0ab3ad3/PXL_20241006_141417155.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/4b7ad3aa-6c34-414c-9143-e3beca19b09d/PXL_20241006_141442087.MP.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8a1b07e2-2724-4d31-b599-b6c42b97aad4/PXL_20241006_141443625.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/27d4a624-3a06-4faf-b14b-ebf9727c9529/PXL_20241006_141445197.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7519d598-119b-4ca6-bc00-e3f65036bd3e/PXL_20241006_141559607.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/75e9669c-5069-4d42-9393-6de7516473d5/PXL_20241006_141649623.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/98fabf43-5def-4c72-9da6-48d302ea243d/PXL_20241006_141657509.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c2e016aa-6234-466e-b6c8-347b7ffe5bb6/PXL_20241006_141707326.MP.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/3e7bb59c-40ae-4b2e-ae9a-cbbb513457b1/PXL_20241006_141716177.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c3001e29-53e4-4041-9a71-3144dc15768c/PXL_20241006_141928773.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/167d65e5-7660-4ac0-b778-fd8efbeb749e/PXL_20241006_142022998.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/0ec122a7-0855-4786-8b04-e359da6240d3/PXL_20241006_142029784.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9c727254-2d09-4129-b25c-fa8215fcc5ca/PXL_20241006_142152525.jpg Research Photo Gallery - American Clock and Watch Museum, CT The largest functioning clock at the museum, an 1895 tower clock by E. Howard & Co https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/b10cac65-9612-4f1c-8548-51498266c0eb/PXL_20241006_142122008.jpg Research Photo Gallery - American Clock and Watch Museum, CT Clock face of the E. Howard & Co Tower Clock (1895). Not necessarily original https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/88ad2d26-272b-4261-a764-2f274b421e71/PXL_20241006_142126514.jpg Research Photo Gallery - American Clock and Watch Museum, CT Gear splitter of the E. Howard & Co Tower Clock (1895) to go to the four faces on the tower https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/4ecdef3a-dc36-42bc-801f-9a4364e82616/PXL_20241006_142317805.jpg Research Photo Gallery - American Clock and Watch Museum, CT A wonderful description of the escapement of the tower clock https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/cbc62277-e969-4027-98dd-bfe36ac78acd/PXL_20241006_142610599.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/81039286-cfd2-45fb-9784-a13c24fb001c/PXL_20241006_142618402.jpg Research Photo Gallery - American Clock and Watch Museum, CT 1850 Astronomical Regulator https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d28216f2-dce5-4c62-af3b-140e9a89f29a/PXL_20241006_142824807.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/755e61de-7975-49c6-b3dd-82cfd10b08e9/PXL_20241006_142829675.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/744af3c7-2c2b-4222-a11d-344afc5ef012/PXL_20241006_142951880.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1f4aab0f-66ad-4686-82ab-05c8c1b5041d/PXL_20241006_142955184.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/505bc35f-f9c0-4e44-a5b3-a1977743213d/PXL_20241006_143114994.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7f6d19d0-7deb-48ac-ad5c-954ca7c6b559/PXL_20241006_143120264.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/4d986298-4eb8-41d6-ac2d-5d1e06a17aa2/PXL_20241006_143125395.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/10255612-cb02-4754-9859-807be9c5eff1/PXL_20241006_143212018.MP.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/ac312de0-9ee8-48ab-a57a-5364920c2c0d/PXL_20241006_143215054.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c836e45f-f43f-4a3b-a213-0df74d6f5920/PXL_20241006_143258001.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/6ee5e8bd-cf34-46c3-9a65-3a488b47f0c4/PXL_20241006_143438926.jpg Research Photo Gallery - American Clock and Watch Museum, CT Not sure what this arrangement is, email me if you know! https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f6bfe82c-547d-4546-9f3d-edad733f2524/PXL_20241006_143442319.jpg Research Photo Gallery - American Clock and Watch Museum, CT Not sure what this arrangement is, email me if you know! https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/b231d8aa-27e0-447a-bba3-148411f5eb9b/PXL_20241006_143613037.jpg Research Photo Gallery - American Clock and Watch Museum, CT I loved the wooden pendulum with the brass fittings on this one https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d5b47744-cf86-47c1-90b1-618c2604b603/PXL_20241006_143830083.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d5e3d3a1-beca-49f9-97ec-2d2d161b9c17/PXL_20241006_143858570.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8fe77383-dcfe-4170-9c63-48fe8784a9ca/PXL_20241006_143914171.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/770e1905-275e-488d-a184-d899cae744e9/PXL_20241006_144514688.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7f866107-6ff7-4674-9a50-50b2cb80ba45/PXL_20241006_144528750.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/40cf4879-9f9d-4005-bde6-17c461d8bc14/PXL_20241006_144534053.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9dba3346-f66b-47d1-a498-35c3f90063c6/PXL_20241006_144624399.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/0f128f8e-f052-4cf4-98de-573a36ff38ad/PXL_20241006_144637460.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c8d47257-622c-4db0-b076-4a687a690cca/PXL_20241006_144656713.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7ac3a1cc-29a3-4bf9-a1eb-718fddbe4578/PXL_20241006_144659507.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/6a78f9db-f844-4052-9db1-46331933ffed/PXL_20241006_144937869.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1215da81-0f25-412c-a381-0e09b6b1b18f/PXL_20241006_145207874.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f222d9ed-d6c2-4681-b456-9c3b4ff5b7be/PXL_20241006_145212213.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e3f9aab5-4846-44b7-9521-a898323b7cb3/PXL_20241006_145215450.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/dc8fa7e1-63a2-4f93-8f6f-0a9e290c6f48/PXL_20241006_145724125.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f10fab88-e397-43f3-aea0-488612113671/PXL_20241006_150524820.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/684506fb-c0d7-4bc0-b427-89e4a28a6c4f/PXL_20241006_150617881.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/66e0783a-0a5b-432d-928a-fb65462ccfcf/PXL_20241006_150713522.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/5d80dd4a-03a5-4839-b174-2fe64d75544c/PXL_20241006_150718929.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/67da1101-2f6c-4b1b-8b48-ee060d717f29/PXL_20241006_150908451.jpg Research Photo Gallery - American Clock and Watch Museum, CT Electric remontoir that engages with the going train via a worm-drive, and another chain system (perhaps chimes) via sprocket https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/214a5bc8-a7e0-45cb-a528-cff0f9dbf7f8/PXL_20241006_150915910.jpg Research Photo Gallery - American Clock and Watch Museum, CT Electric remontoir that engages with the going train via a worm-drive, and another chain system (perhaps chimes) via sprocket https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1f996124-a290-4b36-ae9a-6efc88f05326/PXL_20241006_151246005.jpg Research Photo Gallery - American Clock and Watch Museum, CT Noon cannon sundial, somewhat of a novelty of times past https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/87bb02eb-8c15-4f9c-8f02-f1df8ee728e3/PXL_20241006_151248949.jpg Research Photo Gallery - American Clock and Watch Museum, CT Noon cannon sundial, somewhat of a novelty of times past https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/74d6348b-80f6-4870-96fc-d6dee79825c1/PXL_20241006_151309534.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/30293e94-7a01-4e00-b340-74538aa659bd/PXL_20241006_151311813.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8f0ca9f6-2467-42a1-b2f2-e9c5cb75802c/PXL_20241006_151347786.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/62f6a278-9cca-49fa-9750-d495c1dc1207/PXL_20241006_151353932.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/55e141d7-8022-424d-a279-7069fe424c02/PXL_20241006_151410476.jpg Research Photo Gallery - American Clock and Watch Museum, CT https://www.engineeringcommons.org/research-photo-gallery/american-precision-museum monthly 0.5 2024-10-16 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/2855d914-823e-412b-8854-0fba589b4dd9/PXL_20241011_134126676.jpg Research Photo Gallery - American Precision Museum, VT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e09ce644-585b-4e1b-a4b3-737401af49ae/PXL_20241011_134350839.jpg Research Photo Gallery - American Precision Museum, VT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/94f26a59-9d14-4de4-b8a2-c547bf1f5e2a/PXL_20241011_134419487.jpg Research Photo Gallery - American Precision Museum, VT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/a9956d6c-676d-4fdd-9965-9af2cd57fb51/PXL_20241011_134618359.jpg Research Photo Gallery - American Precision Museum, VT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/465206bc-1681-4bf3-b4a6-cb636c4682e4/PXL_20241011_134746513.jpg Research Photo Gallery - American Precision Museum, VT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/26cdb82e-6979-40c3-98da-85cd7e49bef5/PXL_20241011_134751542.jpg Research Photo Gallery - American Precision Museum, VT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/b0cbb902-b2a2-4cc1-a996-669bf502bd51/PXL_20241011_134818247.jpg Research Photo Gallery - American Precision Museum, VT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e8a67164-1c92-406d-9326-ae6fc425d422/PXL_20241011_135225815.jpg Research Photo Gallery - American Precision Museum, VT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/aa0e0f9d-5ff9-4c9c-aba5-20082497e01b/PXL_20241011_135923566.jpg Research Photo Gallery - American Precision Museum, VT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/14f97357-6db8-4976-8ea1-b34edb1df5da/PXL_20241011_135929038.jpg Research Photo Gallery - 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American Precision Museum, VT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/eb09887c-56e4-40e1-ab90-09525a21fcbb/PXL_20241011_153706216.jpg Research Photo Gallery - American Precision Museum, VT https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7e3df9e3-5e95-4afe-9a63-f5baaa4f60fb/PXL_20241011_153712268.jpg Research Photo Gallery - American Precision Museum, VT https://www.engineeringcommons.org/research-photo-gallery/putnam-gallery monthly 0.5 2024-10-16 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d5bf6196-2d4d-4422-bc32-569ad36b9ec2/PXL_20241013_191351158.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f4b4bbf2-465f-47fa-ac6e-f7e8fd3c44da/PXL_20241013_191951690.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/cec25028-5851-4f91-aeba-0168d74f5217/PXL_20241013_191954274.MP.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1495b27b-5d3b-4165-9615-75d92ea9120b/PXL_20241013_191957994.MP.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9ade3fc3-d3ae-46f3-94f1-c7904edfa699/PXL_20241013_192002701.MP.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/52fdf89e-47f2-4b35-a411-f9048838955c/PXL_20241013_191508843.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/af4d66e9-a855-468d-9a57-0e54f59abb03/PXL_20241013_191511969.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/63855478-88b4-4591-b3ea-05d717e75878/PXL_20241013_191519190.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/52aaf424-e974-4d1f-bd80-a55891780be0/PXL_20241013_192033142.MP.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/efb38ca7-04ba-4b7b-be2e-ba08da87e0b6/PXL_20241013_192036898.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c4fda373-944c-42d2-8677-2f53ffd0181c/PXL_20241013_192039936.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/99f8bef5-0cc4-40b7-ac8a-02995862aca6/PXL_20241013_192042947.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/4cafcfbb-f632-468a-b31e-82fb3cddff74/PXL_20241013_192052194.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/6c153403-c71d-47f4-a43b-bb7dc09d7221/PXL_20241013_192056747.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8ee227ae-5bfb-44f9-a755-5ae22b33c389/PXL_20241013_192105321.MP.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/a5fa72f7-aed3-477f-9d63-308f5ff527ab/PXL_20241013_192107724.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/41fc2a73-012d-4eb0-a321-d96c4e9b65ba/PXL_20241013_192119146.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1ac6e57b-f021-495a-be08-2488369834c5/PXL_20241013_192125611.MP.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/aa1b56ad-51b5-4c1d-b111-b9248823d6e9/PXL_20241013_192133843.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/b0a8d33f-973b-4fb9-b4ff-77fcd2f33bec/PXL_20241013_192139995.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/3ff48c50-3b6a-45b2-9e04-c303235dd955/PXL_20241013_192154955.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/66658d10-4bae-4dc7-9d9e-f43132aa0516/PXL_20241013_192203344.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/4a310ea5-a542-404e-8deb-bfb99e080de4/PXL_20241013_192211551.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/68d96b0a-a8b5-4ead-938e-eafefc504388/PXL_20241013_192216789.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7de1dc5d-24fd-4132-a6e3-26ec51af62be/PXL_20241013_192230890.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/5edc43af-08e9-421a-91ca-cfe4c2f9ede9/PXL_20241013_192241927.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/158fba65-2fac-41c6-ab58-66bba2e420ca/PXL_20241013_192251861.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e5e71ce7-4cf0-48b8-9519-6e95e8c8a2c5/PXL_20241013_192257201.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/a2924bc4-16a4-4278-b22c-9f661fb67dc0/PXL_20241013_192319905.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/43264189-a876-4b87-b065-bb5d3f72a205/PXL_20241013_192325185.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c73132b8-e924-4e99-a21c-5790f8bc4e71/PXL_20241013_192429600.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f9ffd55e-b736-4332-9f0a-188098689c03/PXL_20241013_192432355.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c5639b8e-09aa-4228-91d4-4f004f7f42ba/PXL_20241013_192603034.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9e0defbf-cab8-4f4f-b4a1-d890bb22becf/PXL_20241013_192613390.MP.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/785df910-dc9f-499d-835e-5bc9b6ea52cf/PXL_20241013_192617999.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e32cb831-8918-40e7-8c44-2e1e9ca71fc8/PXL_20241013_192623020.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d69a67bc-1aaf-4a11-a67f-924ed3f311c9/PXL_20241013_192715536.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f59c6e8e-a586-422f-b179-8829d4e295de/PXL_20241013_192718246.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e4a8556a-7037-402f-aafa-409f7e4adaec/PXL_20241013_192727526.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/031f15a0-442d-4d76-afed-ccafdf15df6a/PXL_20241013_192729397.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/91a61521-c32c-422f-92e9-491595e2380a/PXL_20241013_192857023.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9c20307e-3701-48b3-b1b4-ddb5c6026a24/PXL_20241013_192859232.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/5d8a1845-b874-47bf-acd7-3dea3bc7976c/PXL_20241013_192930603.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7cbe2920-36cc-4072-a2a1-7ebeb2c32c8d/PXL_20241013_192950979.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/145d584a-6e7a-4e7a-a2f6-b8e8e5ea0619/PXL_20241013_193155021.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e38b6515-cc43-4637-93bd-915b20a8b96b/PXL_20241013_193158266.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8c81fa74-c248-4780-90c1-ac591b556bd4/PXL_20241013_193202180.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/47327d1b-787b-4c07-9961-f21ed0a39c08/PXL_20241013_193205311.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/cfd2ca0c-9fd1-4c08-9543-c21b9f83799a/PXL_20241013_193240718.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/63dd3aca-a18a-4fa7-982e-016c5c4433c5/PXL_20241013_193243957.MP.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/2a5ef70b-0638-4c3b-953b-9b319bc94845/PXL_20241013_193248942.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/42fefe0d-4eec-48cd-b8fa-0183d168d572/PXL_20241013_193307491.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9e09d92f-5a64-470e-8ece-e8664ed97f7e/PXL_20241013_193359040.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/552d05c5-24fa-45b8-be8c-7a456f989b73/PXL_20241013_193430884.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/77b99138-edb3-4397-9da6-f043cd012deb/PXL_20241013_193547856.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e81baf4c-3885-4169-9658-8e421d470a6c/PXL_20241013_193625691.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e223d7d8-7072-4d48-b898-bea68024dbdb/PXL_20241013_193642441.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/2dea513b-ac73-4db6-ae3a-d3909f875700/PXL_20241013_193653771.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7075f622-c58c-468f-b614-413d14e37a9b/PXL_20241013_193729711.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/61f20a73-6c47-4213-9f48-cc4e02cbc232/PXL_20241013_193732835.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/64a118d7-a7ea-4661-af97-a45ede8442d6/PXL_20241013_193754678.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/ada42137-15d2-47fc-b545-dc834fe5d467/PXL_20241013_193812706.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/0d1cb5f9-6551-4187-9c63-b85a38aea4a1/PXL_20241013_193852793.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d218ae3b-f4e0-4b23-b07f-4744b9bb2822/PXL_20241013_193858623.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/650e226d-096e-4a2c-a573-a30a616bc854/PXL_20241013_194120385.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/b0ebfa08-67a3-4641-9cd9-688ba7a01258/PXL_20241013_194125869.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/54f11e4a-0e24-4a7c-a183-b4e1f66820ce/PXL_20241013_194312962.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/2e9b1287-d00c-4dd5-8eb7-5c7478175e68/PXL_20241013_194315678.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/2e2f9876-e7d5-47d2-bdcb-a2bfcec4d5dd/PXL_20241013_194411732.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9f18384f-3101-40b8-8898-a5a2292437de/PXL_20241013_194451040.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/45a481c8-4a64-4815-98af-8f6e4a900930/PXL_20241013_192027404.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/fc765845-7f7f-4419-ad1d-5d105ff3c3db/PXL_20241013_192047231.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/45c395f5-dc07-490e-a6b3-c3b96a3ba53d/PXL_20241013_192113191.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/40f2385d-22b0-4bcc-9225-23657427bc7f/PXL_20241013_192146942.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/b35ba1ce-c47b-4afc-8d92-3b75bd35bc7f/PXL_20241013_192226015.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/700081a2-30b2-4562-90b5-d0244d03c4d0/PXL_20241013_192316901.MP.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f4843e4f-f7a2-4ea2-96fe-0263892e4fa2/PXL_20241013_192538073.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/6333f8ff-5272-4044-9f36-f7f750e38fca/PXL_20241013_192712122.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/196e3366-df34-4b6a-b9a0-e8fd3de6f69c/PXL_20241013_192855275.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/74bd7c41-c572-45f7-abce-f25c9ece8bdc/PXL_20241013_192957523.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/3188f858-f916-4edd-a408-d55571468aaf/PXL_20241013_193215377.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/bd5265cb-030e-4afb-a7b6-070c62956c88/PXL_20241013_193355615.jpg Research Photo Gallery - Putnam Gallery (Scientific Instruments at Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/702e7817-3a0c-4796-8888-f845b8f9a588/PXL_20241013_193630910.jpg Research Photo Gallery - 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Putnam Gallery Grand Orrery (Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d5d7d815-1c5d-4b3c-84b9-fcfc34d28c4b/PXL_20241013_194844124.jpg Research Photo Gallery - Putnam Gallery Grand Orrery (Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/626e43a3-f033-457a-aea9-ea98c26c8a84/PXL_20241013_194850171.jpg Research Photo Gallery - Putnam Gallery Grand Orrery (Harvard) https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/636e4a15-a834-4fbb-a0d5-64902a64fdd6/PXL_20241013_194856220.jpg Research Photo Gallery - Putnam Gallery Grand Orrery (Harvard) https://www.engineeringcommons.org/astrophotography daily 0.75 2024-09-29 https://www.engineeringcommons.org/astrophotography/asteroids-and-minor-planets monthly 0.5 2024-10-18 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e6155430-ff24-4453-b684-d14089379620/Iris+20240928+GIF+Narrow.gif Astrophotography - Asteroids and Minor Planets (7) Iris, Mag 9.17, Sept 8 2024, 1hr frame spacing, 5x60s per frame, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/881cba12-3a1a-462d-8a4c-99cde5f15dce/Psyche+20240928+Narrow.gif Astrophotography - Asteroids and Minor Planets (16) Psyche, Mag 10.8, Sept 8 2024, 30min frame spacing, 5x60s per frame, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/46b5e753-b308-4711-827c-8bbcb1a7e941/Hygiea+20240928+GIF+Narrow.gif Astrophotography - Asteroids and Minor Planets (10) Hygiea, Mag 10.9, Sept 8 2024, 1hr frame spacing, 5x60s per frame, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/61e8f02b-7158-433c-bb91-789d3e4f05ea/van+Gent+20240929.gif Astrophotography - Asteroids and Minor Planets (1666) van Gent, Mag 14.6, Sept 8 2024, 1hr frame spacing, 5x60s per frame, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/adc49a3e-865c-47e3-93c8-37816e20f062/Pluto+20240928+GIF+MidAnnotated.gif Astrophotography - Asteroids and Minor Planets Pluto, Mag 14.42, Sept 8 2024, 1hr frame spacing, 5x60s per frame, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/cd5f7c21-ef6b-4917-b918-5bb807780d8e/Pluto+20240928-20241003.gif Astrophotography - Asteroids and Minor Planets Pluto, Mag 14.42, Sept 28-Oct3 2024, 5x60s per frame, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/ae670a5c-9361-4578-822e-578ad8c47b54/15Eunomia+20241203.gif Astrophotography - Asteroids and Minor Planets (15) Eunomia, Mag 8.27, Dec 3rd 2024, 12r frame spacing, 5x60s per frame, C9.25 w/0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/b81b613c-da4e-4fc4-b04a-c31841b0e9c4/Vesta+20250227.gif Astrophotography - Asteroids and Minor Planets (4) Vesta, Mag 6.74, Feb 27 2025, 30min frame spacing, 5x60s per frame, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/89b0ad71-08af-409a-bc8d-208393679ee9/Bradbury_20251230_Zoomed.gif Astrophotography - Asteroids and Minor Planets (9766) Bradbury, Mag 17.7, Dec 30 2025, 120min frame spacing, 120s per frame, C9.25, ASI533MC Pro, .63x reducer https://www.engineeringcommons.org/astrophotography/balloons monthly 0.5 2024-10-18 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/5a9c9cef-28d2-4478-8298-a20c3ed56d0d/balloon.gif Astrophotography - Balloons Weather Balloon, Sept 1 2024, 720p 1ms for 11sec , Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/60bb46d3-0560-4a8a-86e1-4d7129cbc836/2024-09-01-101422-Moon-Bin1+-5.1C_pipp.gif Astrophotography - Balloons Hot Air Balloon, Sept 1 2024, 480p 1ms for 2sec , Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8407b7a5-c948-48ff-9dee-abc5400bf6e9/balloon-ezgif.com-rotate+%281%29.gif Astrophotography - Balloons Hot Air Balloon, Sept 1 2024, 480p 1ms for 8sec , Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1711f212-8ccb-49e0-bf09-6c0339cb4db9/balloon-ezgif.com-rotate+%282%29.gif Astrophotography - Balloons Hot Air Balloon, Sept 1 2024, 480p 1ms for 6sec , Redcat 71, ASI533MC Pro https://www.engineeringcommons.org/astrophotography/nebulae monthly 0.5 2024-12-23 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d844b569-37be-4c0f-bd49-67c13fa418cb/IC1805+20240929-min.png Astrophotography - Nebulae IC1805 Heart Nebula, Sept 28 2024, 30x180s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/490854d1-cb8c-4e50-a3f6-09813748e783/NGC6960.jpg Astrophotography - Nebulae NGC6960 Veil Nebula, Sept 28 2024, 2x2 mosaic, 10x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1729812080255-AQ1MFAC3EH4B32CM2Z3B/M1%2B20241024.jpg Astrophotography - Nebulae M1 Crab Nebula, Oct 24 2024, 30x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1733349637805-3I46GG2X5TBI28BCQURC/M1%2B20241202.jpg Astrophotography - Nebulae M1 Crab Nebula, Dec 2st, 2024, 105x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1729686952376-FZP2XKGVD5JQ4XGEHHGL/M76%2B20241023.jpg Astrophotography - Nebulae M76 Little Dumbbell Nebula, Oct 23 2024, 60x60s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1e1dfabc-ae3d-4ad9-aea1-72cdb3dede40/M27+20240905-min.png Astrophotography - Nebulae M27 Dumbbell Nebula, Sept 5 2024, 30x180s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/93ab901d-a931-4210-9087-c76f74d9beb4/C49+20240404-min.png Astrophotography - Nebulae C49 Rosette Nebula, April 04 2024, 16x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/bded1b2d-4a04-46d1-8dd0-0068baaf5550/M76+20240929-min.png Astrophotography - Nebulae M76 Little Dumbbell Nebula, Sept 28 2024, 20x180s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9d95755d-24d5-4393-887b-089588d2095e/C63+20241003.jpg Astrophotography - Nebulae C63 Helix Nebula, Oct 3 2024, 50x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/eefc30ec-0ebf-417f-b77b-4eb04d263502/NGC281+20241003.jpg Astrophotography - Nebulae NGC281 Emission Nebula, Oct 3 2024, 40x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8a69f5f0-076c-4d13-a385-d3b96fec3917/SH2-199+20241003.jpg Astrophotography - Nebulae SH2-199 Soul Nebula, Oct 3 2024, 50x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1729686922845-24LE40B4L6CXIH43QOQI/NGC7662%2B20241023.jpg Astrophotography - Nebulae NGC7662 Blue Snowball Nebula, Oct 23 2024, 13x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/32274407-5753-4ba5-8469-7e63891a07f5/NGC+40+20241024.jpg Astrophotography - Nebulae NGC40 Bowtie Nebula, Oct 24 2024, 21x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/599ce37b-f3fb-43cd-a6e6-9dac36b9b3ec/NGC2392+20241024.jpg Astrophotography - Nebulae NGC2392 Eskimo Nebula, Oct 24 2024, 30x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e82e742f-4f3c-4efd-8a55-04765aaf46b5/M42+20241026.jpg Astrophotography - Nebulae NGC2440 , Oct 26 2024, 40x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/3d5e903c-511d-4bcf-bb93-eec7aa0e0d4f/NGC1579+20241026.jpg Astrophotography - Nebulae NGC1579 Northern Trifid Nebula, Oct 26 2024, 95x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/5c8a9f7a-74e0-4d19-8156-dc86941622b3/NGC2440+20241026.jpg Astrophotography - Nebulae NGC2440 Planetary Nebula, Oct 26 2024, 40x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1731363503166-5ZIP7X23U3RQTMJK2C0D/M78%2B20241111.jpg Astrophotography - Nebulae M78 Reflection Nebula, Nov 10, 2024, 20x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1733349655339-HSAE40BR21DH1BS3GAD7/IC434%252BHorsehead%252BNebula.jpg Astrophotography - Nebulae IC434 Horsehead Nebula, Dec 1st, 2024, 80x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1733350122598-OWO8QDSM99QPGO90YZHH/C56%2B20241203.jpg Astrophotography - Nebulae C56 Nebula, Dec 3rd, 2024, 24x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1733352070794-L1Z22OZSLMIB18ZYU0I0/NGC1555%2B20241203.jpg Astrophotography - Nebulae NGC1555 Hind's Variable Nebula, Dec 3rd, 2024, 25x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/66e393b7-5a08-418d-b2f2-9207876a3ecc/M78+20250110.jpg Astrophotography - Nebulae M78 Reflection Nebula, Jan 9th, 2025, 100x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c7969357-6b5b-4e9e-b305-bc9616b6b277/C39+20250110.jpg Astrophotography - Nebulae C39 Eskimo Nebula, Jan 9th, 2025, 50x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/27f2434e-8818-48b4-9003-4ef89664db7c/M42+20250115.jpg Astrophotography - Nebulae M42 Orion Nebula, Jan 15th 2025, 165x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f3e3822a-4cd0-4668-8cb2-edce80a8143e/NGC2175+20250116.jpg Astrophotography - Nebulae NGC2175 Monkey Head Nebula, Jan 16th 2025, 80x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/6e8ee30a-efbe-44d0-ac74-f435d40f81b3/M97+20250228.jpg Astrophotography - Nebulae M97 Owl Nebula, Feb 28 2025, 145x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/34cb3ff4-1c37-442b-aed3-5d8661d29aaa/Pillars+of+Creation+20250503.jpg Astrophotography - Nebulae Pillars of Creation (Eagle Nebula), May 3rd 2025, 80x120s, C9.25 w/ 0.63x, ASI533MC Pro, Full Frame https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/a9fdf538-5fe8-4a50-b2d3-9595a273c539/Pillars+of+Creation+20250503+Detail.jpg Astrophotography - Nebulae Pillars of Creation (Eagle Nebula), May 3rd 2025, 80x120s, C9.25 w/ 0.63x, ASI533MC Pro, Detail View https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/983dc32f-feed-485d-aa16-bd91a42e1ffd/C6+20250509.jpg Astrophotography - Nebulae C6 Planetary Nebula, May 8th 2025, 60x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/4a01b814-388d-454e-b609-bf5fa72d9327/M27+20250509.jpg Astrophotography - Nebulae M27 Dumbbell Nebula, May 8th 2025, 50x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f1b3b980-7ca0-4afb-90de-0cba9c9d45f8/M57+20250509.jpg Astrophotography - Nebulae M57 Ring Nebula, May 8th 2025, 60x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f488f087-47d3-4d6d-95d5-11430e815a3d/M20+20250511.jpg Astrophotography - Nebulae M20 Trifid Nebula, May 11th 2025, 60x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/31e92a9e-50f0-49b1-928f-35887cf17c50/C4+20250514.jpg Astrophotography - Nebulae C4 Iris Nebula, May 14th 2025, 40x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/874de0d6-afea-41ba-b701-f0859f1b3aca/C6+20250514.jpg Astrophotography - Nebulae C6 Cat's Eye Nebula, May 14th 2025, 40x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/2a493d9d-2f4f-426d-85af-0d9ec4af2082/M17+20250514.jpg Astrophotography - Nebulae M17 Swan Nebula, May 14th 2025, 40x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/fb98814e-764f-4cdb-a7c2-f29c9e274fb9/C33_20250610.jpg Astrophotography - Nebulae C33 Veil Nebula, June 10th 2025, 40x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/bcc3af81-e7db-4dfe-abdc-4bd585c25e58/IC1396_20250610.jpg Astrophotography - Nebulae IC1396 Elephant's Trunk Nebula, June 10th 2025, 40x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/90451965-cfb9-49cb-bb58-efcb1566ace2/C27+20250615.jpg Astrophotography - Nebulae C27 Crescent Nebula, June 15th 2025, 30x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d78cce2c-0096-4ae5-b53e-9a383546977d/IC5070+20250615.jpg Astrophotography - Nebulae IC5070 Pelican Nebula, June 15th 2025, 75x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/419dca83-b122-4a4d-94cc-2c3aa2f20657/C19_20250619.jpg Astrophotography - Nebulae C19 Cocoon Nebula, June 15th 2025, 87x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e8079ba0-46c5-4d41-83c5-2dfc0c5d3108/M17_20250621_30.jpg Astrophotography - Nebulae M17 Omega Nebula, June 20st 2025, 30x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/6af0b3ed-5235-453e-8510-69736a8d7974/NGC7380_20250621_60.jpg Astrophotography - Nebulae NGC7380 Wizard Nebula, June 20st 2025, 60x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f82d75b0-5821-4a28-8a8d-07ea46c3da1f/M8_20250621_40.jpg Astrophotography - Nebulae M8 Lagoon Nebula, June 20st 2025, 40x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/09ecc051-9a82-4603-8c3a-01c87c85ff9e/NGC7635+20250622.jpg Astrophotography - Nebulae NGC7635 Bubble Nebula, June 20st 2025, 100x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/dbfbe24d-e6a1-4d2a-8dac-35955fb2ac2a/SH2-105+20250622.jpg Astrophotography - Nebulae SH2-105 Crescent Nebula, June 20st 2025, 100x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/5351289e-0cc8-47e4-b9b4-e3b54d31248f/C11+20250821.jpg Astrophotography - Nebulae C11 Bubble Nebula, August 20 2025, 80x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/01a4e343-fb45-4bed-ba07-0938933cd067/C56+20250821.jpg Astrophotography - Nebulae C56 Skull Nebula, August 20 2025, 80x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7b09e947-f7f0-48a8-8d2a-ba86f29ff04e/SH2-212_20251215.png Astrophotography - Nebulae SH2-212 Tribble Nebula, Dec 15th 2025, 60x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/a9788474-69e8-4cf8-9e14-2e2761cadd77/SH2-237_20251215.png Astrophotography - Nebulae SH2-237 Fly Nebula, Dec 15th 2025, 60x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c31c5459-c7b3-426e-8ee7-f96dca7daab0/LDN1470_20251229.jpg Astrophotography - Nebulae LDN1470 Dark Nebula, Dec 28th 2025, 84x120s, C9.25 w/ 0.63x, ASI533MC Pro https://www.engineeringcommons.org/astrophotography/planets monthly 0.5 2024-10-24 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1729809075345-96KHT8AZ1APTCAH4PSMZ/2024-10-23-193805-Saturn-Bin1%2B-10.0C_Planet_20_Sharp20_B1.0_C1.0_S1_N1.jpg Astrophotography - Planets Saturn, Oct 24 2024, 2min at 15fps, best 10% frames, C9.25 w/0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1733146687569-QQU1Z3VFQWUM7ODBTS69/2024-12-01-194219-Jupiter-Bin1%2B-10.8C_Planet_20.jpg Astrophotography - Planets Jupiter, Dec 1 2024, 77sec at 72ms, best 20% frames, C9.25 w/0.63x and 2.5x Barlow, ASI533MC Pro. Shadow of Io visible https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/131b51fe-74bf-4078-89ce-79da3f51add5/2024-10-25-054415-Jupiter-Bin1+-9.7C_Planet_20.jpg Astrophotography - Planets Jupiter, Oct 25 2024, 16sec at 15ms, best 20% frames, C9.25 w/0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/ca080023-a350-46ed-a7cb-1765aed68506/Jupiter+Moons+1s+Annotated.gif Astrophotography - Planets Jupiter, Oct 25 2024, 1s every 30min, C9.25 w/0.63x, ASI533MC Pro. Planetary stabilization https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/60a1f74e-14be-4939-9ee4-05caa281945c/Saturn+Moon+Annotated.gif Astrophotography - Planets Saturn, Oct 25 2024, 3s across 2hr, C9.25 w/0.63x, ASI533MC Pro. Sidereal stabilization https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1729952996058-SYPK57FJIN7QD89AU3QH/2024-10-26-061331-Mars-Bin1%2B-8.6C_Planet_20_Sharp20_B1.0_C1.0_S1_N1.jpg Astrophotography - Planets Mars, Oct 24 2024, 78s at 2ms, best 10% frames, C9.25 w/0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7404e6c8-d28f-4c10-b878-96721e711f89/Uranus+Moons+Annotated.gif Astrophotography - Planets Uranus Moons, 60s exposure x 1 hr frame spacing. Oct 24-25 2024, C9.25 w/0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f19e9f20-dc93-45b7-be55-d55f1113b3e0/NeptuneTriton20241111.gif Astrophotography - Planets Neptune & Triton, 10s exposure x 1 hr frame spacing. Nov 10th, 2024, C9.25 w/0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/eeca2893-fc59-4621-84e5-8404101a0d1f/Venus+20241204+2.jpg Astrophotography - Planets Venus, Dec 4th 2024, 42s at 10ms, best 10% frames, C9.25 w/0.63x and 2.5x varlow, ASI533MC Pro https://www.engineeringcommons.org/astrophotography/moon monthly 0.5 2024-09-30 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/3b1d9bfa-26bd-4729-bdb6-0ab22a4858d8/2024-04-16-224928-Moon-Bin1+-9.6C_Surface_50.png Astrophotography - Moon Moon, April 16 2024, 74.5° phase angle, Stacked 1080p video @4ms exposure, 29sec, Redcat71, ASI533MC-Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/0d347faa-7f9e-47e7-900b-10569d783e3d/2024-09-14-213919-Moon-Bin1+-13.0C_Surface_50_Sharp20_B1.0_C1.0_S1_N1.jpg Astrophotography - Moon Moon, April 16 2024, 41° phase angle, Stacked 1080p video @5ms exposure, 12sec, Redcat71, ASI533MC-Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f248d149-f130-4f8c-8983-854ab206a013/Preview_FOV_20.0ms_Bin1_533MC_gain100_20241019-202247_-9.8C.jpg Astrophotography - Moon Moon, Sea of Serenity Detail, Oct 19 2024, 20ms exposure, C9.25 w/ 0.63 reducer, ASI533MC-Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/0135ea84-4df2-4eb5-a376-e0c48906c71e/Moon+20241024+.jpg Astrophotography - Moon Moon, Mare Imbrium & Archimedes Crater Detail, Oct 24 2024, 50ms exposure for 63s, best 20%, C9.25 w/ 0.63 reducer, ASI533MC-Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c1251453-590f-4f77-9c93-860c37055137/Moon+20241024+Hipparcus.png Astrophotography - Moon Moon, Hipparchus Crater Detail, Oct 24 2024, 50ms exposure for 15s, best 20%, C9.25 w/ 0.63 reducer, ASI533MC-Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1b1b7dad-46cf-4497-8b7a-3bc6f709b955/Moon+20241024+Albategnius.png Astrophotography - Moon Moon, Albategnius Crater Detail, Oct 24 2024, 50ms exposure for 14s, best 20%, C9.25 w/ 0.63 reducer, ASI533MC-Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f7de85a8-6289-4ee4-b5f9-30d20860e354/Moon+20241024+Tycho.jpg Astrophotography - Moon Moon, Tycho Crater Detail, Oct 19 2024, 50ms exposure for 15s, best 20%, C9.25 w/ 0.63 reducer, ASI533MC-Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/a38b343d-2bc6-4071-9d62-898ca1ffc489/Apollo11+20250511.PNG Astrophotography - Moon Tranquility Base, May 11 2025, 4ms exposure for 45s, best 20%, C9.25 w/ 0.63 reducer, ASI533MC-Pro https://www.engineeringcommons.org/astrophotography/satellites monthly 0.5 2024-10-18 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7acb7229-5f1a-4162-bee2-d4c80cb243b8/ACS3.gif Astrophotography - Satellites ACS3 Solar Sail, Mag 1.5, Sept 19 2024, 50 ms exposure, Redcat 71, ASI533MC Pro https://www.engineeringcommons.org/astrophotography/star-clusters monthly 0.5 2024-09-30 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1206db0a-5de7-471c-afc1-5d7f910581f0/M72+20240929-min.png Astrophotography - Star Clusters M72 Globular Cluster, Sept 28 2024, 10x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/ed113f2f-233e-4467-bef7-426c37bc912f/M71+20240928-min.png Astrophotography - Star Clusters M71 Angelfish Cluster, Sept 8 2024, 10x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/94cd64a7-8f5e-491f-bf07-cd5010363504/M2+20240928-min.png Astrophotography - Star Clusters M2 Globular Cluster, Sept 8 2024, 20x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f7c120c3-81cb-4480-8fbc-b3874ce69258/M45+20240906+LongExp-min.png Astrophotography - Star Clusters M45 Pleiades, Sept 6 2024, 9x180s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/03503973-5318-4bd2-b778-6577e737a27b/M35+20240906-min.png Astrophotography - Star Clusters M35 Shoe-Buckle Cluster, Sept 6 2024, 10x180s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1cea3230-b818-4ad0-9b6e-459b871064ba/M30+20241001.jpg Astrophotography - Star Clusters M30 Jellyfish Cluster, Oct 1 2024, 10x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c80136ce-01fb-4e23-ae87-bcf78f0a38a5/M56+20241001.jpg Astrophotography - Star Clusters M56 Globular Cluster, Oct 1 2024, 10x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f01c89b4-0707-44c6-8a74-835b44f83767/M52+20241001.jpg Astrophotography - Star Clusters M52 Scorpion Cluster, Oct 1 2024, 10x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c8622383-e130-4c34-a94f-d602b3634e33/M39+20241001.jpg Astrophotography - Star Clusters M39 Open Cluster, Oct 1 2024, 10x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8b158807-3fd3-4ea0-9bab-4fe17e64aa6f/M29+20241001.jpg Astrophotography - Star Clusters M29 Cooling Tower Cluster, Oct 1 2024, 20x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/3c490ec8-e1e1-46da-b48c-9cbb956e4e42/M38+20241002.jpg Astrophotography - Star Clusters M38 Starfish Cluster, Oct 1 2024, 20x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/86868032-3ccc-4cc6-8cd3-8323f1dca896/M37+20241002.jpg Astrophotography - Star Clusters M37 Salt and Pepper Cluster, Oct 1 2024, 20x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/256b922b-e4ce-4ef5-ae8a-7acea25cb725/M36+20241002.jpg Astrophotography - Star Clusters M36 Pinwheel Cluster, Oct2 2024, 20x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/57df25e8-ec0d-47fd-b73d-4b25c171186a/M34+20241002.jpg Astrophotography - Star Clusters M34 Spiral Cluster, Oct 2 2024, 20x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/a104e7fe-841e-43f7-b938-8f8c8fb977a4/M15+20241002.jpg Astrophotography - Star Clusters M15 Globular Cluster, Oct 2 2024, 20x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/bdf54a79-cfe0-4632-a607-5c187f56b8c0/M44+20241003.jpg Astrophotography - Star Clusters M44 Beehive Cluster, Oct 3 2024, 20x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d32eb3fd-7368-4427-888b-ce8f609f751b/M50+20241003.jpg Astrophotography - Star Clusters M50 Heart Shaped Cluster, Oct 3 2024, 20x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/688693a7-7348-4f97-b7e7-3400755a781a/M79+20241003.jpg Astrophotography - Star Clusters M79 Globular Cluster, Oct 3 2024, 20x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7748f0b5-0bfd-4e18-a97c-9e5b2783b782/C14+20241003.jpg Astrophotography - Star Clusters C14 Double Cluster, Oct 3 2024, 10x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/603f2613-660c-4f03-a69f-e7d03719c92a/M15+20241026.jpg Astrophotography - Star Clusters M15 Great Pegasus Cluster, Oct 26 2024, 17x60s, C9.25 w/0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c8d4640c-bfc1-417b-8832-40b72f670349/M30+20241026.jpg Astrophotography - Star Clusters M30 Jellyfish Cluster, Oct 26 2024, 10x60s, C9.25 w/0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/81a06820-a84b-446b-b108-a924e5a55456/M72+20241026.jpg Astrophotography - Star Clusters M72 Cluster, Oct 26 2024, 5x60s, C9.25 w/0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/6ede4904-d741-44a8-ad4e-45ba41d0ebbe/M41+20241111.jpg Astrophotography - Star Clusters M41 Little Beehive Cluster, Nov 11th 2024, 100x30s, C9.25 w/0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/b9c1bfc3-21a0-4f10-8f4e-9e84172e5198/M46+20241111.jpg Astrophotography - Star Clusters M46 Open Cluster, Nov 11th 2024, 50x30s, C9.25 w/0.63x, ASI533MC Pro. Nebula NGC 2438 is visible. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/30d41e4e-98ad-48db-9e15-a4fbfb1e676a/M47+20241111.jpg Astrophotography - Star Clusters M47 Open Cluster, Nov 11th 2024, 50x30s, C9.25 w/0.63x, ASI533MC Pro. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1731364694560-3B77S9NKV6L17QA4SIQU/M67%2B20241111.jpg Astrophotography - Star Clusters M67 Golden Eye Cluster, Nov 11th 2024, 100x30s, C9.25 w/0.63x, ASI533MC Pro. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/cdb1644e-cddc-40fe-adca-9ec3f88e228b/M103+20241111.jpg Astrophotography - Star Clusters M103 Golden Eye Cluster, Nov 11th 2024, 50x30s, C9.25 w/0.63x, ASI533MC Pro. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/ff145f2c-9559-44a7-858e-2dcb150a8fa4/C25+20241202.jpg Astrophotography - Star Clusters C25 Intergalactic Wanderer, Dec 1st 2024, 25x120s, C9.25 w/0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1ccdec54-8b50-43bc-b49b-606a4a90f040/M3+20241201.jpg Astrophotography - Star Clusters M3 Globular Cluster, Dec 1st 2024, 30x60s, C9.25 w/0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1733352630548-8GJ80RPCOP6SOODSKD6Y/NGC2409%2B20241203.jpg Astrophotography - Star Clusters NGC 2409 Open Cluster, Dec 3rd 2024, 25x120s, C9.25 w/0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/fddd31bf-176d-4cc6-a369-115965d54462/M13+20250110.jpg Astrophotography - Star Clusters M13 Hercules Cluster, Jan 9th, 2025, 20x60s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/98410fb3-614a-4019-807d-b346d2fceb3c/M48+20250115.jpg Astrophotography - Star Clusters M48 Open Cluster, Jan 15th 2025, 25x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/546bfb17-5a8a-47e7-a8d0-515e969fdf48/M53+20250115.jpg Astrophotography - Star Clusters M53 Globular Cluster, Jan 15th 2025, 25x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/6dd08f2e-1ce9-401f-bcf6-bf601a24447c/M68+20250115.jpg Astrophotography - Star Clusters M68 Globular Cluster, Jan 15th 2025, 25x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/010c9426-32b5-4b2a-8af7-64467c76d11b/M92+20250125.jpg Astrophotography - Star Clusters M92 Globular Cluster, Jan 15th 2025, 25x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/0a40a15a-417b-491c-bf3c-2379a9286d45/M41+20250116.jpg Astrophotography - Star Clusters M41 Little Beehive Cluster, Jan 16th 2025, 25x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/17f7dfb8-26cc-4346-a8c2-fb8cde02e2b5/M68+20250116.jpg Astrophotography - Star Clusters M68 Globular Cluster, Jan 16th 2025, 25x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/2204f1a6-e06c-4105-a22c-98b15251740c/M93+20250116.jpg Astrophotography - Star Clusters M93 Critter Cluster, Jan 16th 2025, 25x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/6a41df61-bbfb-4b6b-99fa-57cdaa507d8a/M44+20250128.jpg Astrophotography - Star Clusters M44 Beehive Cluster, Jan 16th 2025, 25x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d057181c-7fea-400e-9ac8-a6fdc6ce8dce/M45+20250128.jpg Astrophotography - Star Clusters M45 Pleiades, Jan 16th 2025, 30x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f90552cd-31f0-41a1-af54-ad647d9cbd4c/M5+20250128.jpg Astrophotography - Star Clusters M5 Globular Cluster, Jan 16th 2025, 50x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/114e86fa-d002-43f3-a63d-5a4b625ec0c9/M50+20250129.jpg Astrophotography - Star Clusters M50 Heart Shaped Cluster, Jan 29th 2025, 30x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/41ce4563-dd88-4f86-8be2-ffc5da745f4b/M67+20240129.jpg Astrophotography - Star Clusters M67 Golden Eye Cluster, Jan 29th 2025, 30x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f53a4e6a-5823-45da-a69b-7b39aaaab0a1/M4+20250227.jpg Astrophotography - Star Clusters M4 Globular Cluster, Feb 27 2025, 50x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/4e1a9c9c-de35-468b-b38e-4cd183219514/M10+20250227.jpg Astrophotography - Star Clusters M10 Globular Cluster, Feb 27 2025, 50x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8ee52e3a-8ffe-41c3-bf05-a408781a6348/M12+20250227.jpg Astrophotography - Star Clusters M12 Globular Cluster, Feb 27 2025, 50x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f41b5203-4262-4cfd-aeee-b24c96d8eda1/M62+20250503.jpg Astrophotography - Star Clusters M62 Flickering Globular Cluster, May 3rd 2025, 20x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9bb63ebf-b801-4a76-a0be-700302793bde/M107+20250503.png Astrophotography - Star Clusters M107 Crucifix Cluster, May 3rd 2025, 20x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/a177e20a-2a68-4202-b05c-147cd7e1b5cf/M14+20250509.jpg Astrophotography - Star Clusters M14 Globular Cluster, May 8th 2025, 20x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e00ecfa1-8c9f-41d8-b6ae-c3d6b1cc8891/M80+20250511.jpg Astrophotography - Star Clusters M14 Globular Cluster, May 11th 2025, 20x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/0cad1979-e5af-432c-ad2e-60be487aaa8d/M9+20250511.jpg Astrophotography - Star Clusters M19 Globular Cluster, May 11th 2025, 20x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/880bcc3b-3f85-4162-86ed-18d89cdf2fa9/M19+20250511.jpg Astrophotography - Star Clusters M70 Globular Cluster, May 11th 2025, 30x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/b81598ef-95a6-423e-9ab1-c85c8276eade/M70+20250511.jpg Astrophotography - Star Clusters M80 Globular Cluster, May 11th 2025, 20x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f1f47a46-564d-4b83-b7be-8f369dfa87b7/M28+20250514.jpg Astrophotography - Star Clusters M28 Globular Cluster, May 14th 2025, 20x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/33e77815-3365-45df-94f8-d606706d4a51/M54+20250514.jpg Astrophotography - Star Clusters M54 Globular Cluster, May 14th 2025, 20x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/98b637ca-cfa4-426c-865a-90a3f255e9fb/M69+20250514.jpg Astrophotography - Star Clusters M69 Globular Cluster, May 14th 2025, 20x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/02f6b288-dee3-4c6c-959c-66a468a3ce89/M75+20250514.jpg Astrophotography - Star Clusters M75 Globular Cluster, May 14th 2025, 20x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f7cc2723-0770-4c4f-8973-b9fcfef9022e/M11_20250610.jpg Astrophotography - Star Clusters M11 Wild Duck Cluster, June 10th 2025, 20x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/4d261cf4-165a-4139-b3ce-ae3d0d70ea6b/M26_20250610.jpg Astrophotography - Star Clusters M26 Open Cluster, June 10th 2025, 20x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/cf16dad0-965f-4cf6-9037-416ff76bc9d3/M5_20250610.jpg Astrophotography - Star Clusters M26 Global Cluster, June 10th 2025, 20x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/836148be-bd9c-4a1b-b55f-74b72b45d988/M6+20250615.jpg Astrophotography - Star Clusters M6 Butterfly Cluster, June 15th 2025, 20x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/0b0bc366-cdba-46a2-9d4c-c56692e31a1b/M7+20250615.jpg Astrophotography - Star Clusters M7 Ptolemy Cluster, June 15th 2025, 20x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/65349e44-9511-42d1-9428-cbb945cd1a0b/M23+20250615.jpg Astrophotography - Star Clusters M23 Open Cluster, June 15th 2025, 20x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/a80f1eb8-e9b6-4930-97c2-82d148bfb777/C16_20250619.jpg Astrophotography - Star Clusters M16 Open Cluster, June 15th 2025, 20x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/4267207a-1cb2-455a-b563-359368207f35/M21_20250619.jpg Astrophotography - Star Clusters M21 Webb's Cross, June 15th 2025, 20x120s, Redcat 71, ASI533MC Pro. Messier 20 Nebula is visible top left. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/45c56c33-7bb0-437d-abb4-c7b5cfdf64f9/M22_20250619.jpg Astrophotography - Star Clusters M22 Globular Cluster, June 15th 2025, 20x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f8a72c6d-9309-44e2-aa76-869b7571ec7f/M25_20250619.jpg Astrophotography - Star Clusters M25 Open Cluster, June 15th 2025, 20x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/63037973-014b-4718-ba06-4a851692cf7c/M92_20250619.jpg Astrophotography - Star Clusters M92 Globular Cluster, June 15th 2025, 20x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/b469891c-29c0-45fb-ab07-324ca6fc4963/M18_20250621_20.jpg Astrophotography - Star Clusters M18 Black Swan Cluster, June 20st 2025, 20x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/614ee9c8-06e7-4055-a37a-c26ea9fc726a/M9_20250621_20.jpg Astrophotography - Star Clusters M9 Globular Cluster, June 20st 2025, 20x120s, Redcat 71, ASI533MC Pro https://www.engineeringcommons.org/astrophotography/galaxies monthly 0.5 2024-09-29 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/4900ebfc-6eb7-4ae2-ac6c-2a3723813d99/M31+20240906-min.png Astrophotography - Galaxies M31 Andromeda Galaxy, Sept 6 2024, 10x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1729687186092-GI9LUFP8UCZAWGL0IEBY/NGC253%2B20241023.jpg Astrophotography - Galaxies NGC253 Sculptor Galaxy, Oct 23 2024, 60x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1729687097727-GX82NGIPBOFKIIP1ZKRK/M74_20241023.jpg Astrophotography - Galaxies M74 Phantom Galaxy, Oct 23 2024, 60x60s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1729687014768-D0PUACXE0R5MWO6Y1V9H/NGC891%2B20241023.jpg Astrophotography - Galaxies NGC891 Silver Sliver Galaxy, Oct 23 2024, 60x60s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/7bbdb4a6-497e-4c9e-87a2-323802632659/M81_20240929-min.png Astrophotography - Galaxies M81 Bode's Galaxy, Sept 28 2024, 30x180s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/786ef588-2bcb-4e7d-956f-ead4ed402c00/NGC1055+20240929-min.png Astrophotography - Galaxies NGC1055 Galaxy, Sept 28 2024, 40x180s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/2ddfe3d5-c604-4d31-8560-52411f5deb72/M33+20240901.jpg Astrophotography - Galaxies M33 Triangulum Galaxy, Sept 1 2024, 64x180s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c2a76c85-8072-470d-9ea3-7460bbca6c82/M110+20241001.jpg Astrophotography - Galaxies M110 Galaxy, Oct 1 2024, 10x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e9718c13-60a7-44ca-af27-ecf6d01336dc/M82+20241003.jpg Astrophotography - Galaxies M82 Galaxy, Oct 3 2024, 20x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/6428434e-6b64-4cbb-b4d7-4f6d1db0761b/NGC2403+20241025.jpg Astrophotography - Galaxies C7 Spiral Galaxy, Oct 25 2024, 30x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/006e8cd7-9c1b-4d31-98c2-2a956c957ce3/IC342+20241024.jpg Astrophotography - Galaxies IC342 Hidden Galaxy, Oct 24 2024, 80x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/ed3c496f-b566-49b2-8233-c5c5456b37bd/M94+20241025.jpg Astrophotography - Galaxies M94 Crocodile Eye Galaxy, Oct 25 2024, 14x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/361e7d72-0dc7-403e-b204-2c660dde6cb8/NGC7479+20241023.jpg Astrophotography - Galaxies NGC7479 Superman Galaxy, Oct 23 2024, 8x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d6d0a400-7dce-4058-9b15-acda9084643f/M74+20240905.jpg Astrophotography - Galaxies M74 Phantom Galaxy, Sept 6 2024, 40x180s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1729812670514-30OXRUY40R10GHWMG281/NGC23%2B20241024.jpg Astrophotography - Galaxies NGC23 Spiral Galaxy, Oct 24 2024, 30x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c0dbe5e7-1cd1-4b0f-97ed-ab76970fae52/C5+20241025.jpg Astrophotography - Galaxies C5 Hidden Galaxy, Oct 25 2024, 15x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/54caef2d-69af-48f4-9df4-4ce78e2cd844/M77+20241025.jpg Astrophotography - Galaxies M77 Squid Galaxy, Oct 25 2024, 30x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c73bc73d-7160-405d-8fc8-5fd5d6f3f292/NGC2403+20241026.jpg Astrophotography - Galaxies NGC2403 Galaxy, Oct 26 2024, 45x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/863c1aab-d944-47a0-8a5f-9fa9392be965/NGC1133+20241026.jpg Astrophotography - Galaxies NGC1133 Galaxy, Oct 26 2024, 30x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1733349903543-SBF7X1083KYA2WZOVTX2/M101%2B20241202.jpg Astrophotography - Galaxies M101 Pinwheel Galaxy, Dec 1st 2024, 25x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1733349867631-KMRJ9GIDIIPD64H7LL0D/M106%2B20241202.jpg Astrophotography - Galaxies M106 Spiral Galaxy, Dec 1st 2024, 25x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1733349835787-88H1MCKP12CRJ9O1T8KS/NGC%2B2841%2B20241202.jpg Astrophotography - Galaxies NGC2841 Spiral Galaxy, Dec 1st 2024, 25x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1733349813407-O9IZL0M1CQNRH6Z252TS/NGC2903%2B20241202.jpg Astrophotography - Galaxies NGC2903 Spiral Galaxy, Dec 1st 2024, 25x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1733349780165-ULTVO4K0ZVNFEVSD0ZBQ/M63%2B20241202.jpg Astrophotography - Galaxies M63 Sunflower Galaxy, Dec 1st 2024, 12x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1733350996851-CU9K9NN55U79WEIOMXUN/M95%2B20241203.jpg Astrophotography - Galaxies M95 Spiral Galaxy, Dec 3rd 2024, 25x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1733350976790-6WIT2FARSH7EJJA8AKAN/M96%2B20241203.jpg Astrophotography - Galaxies M96 Spiral Galaxy, Dec 3rd 2024, 25x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1733351280814-5UWGAV0PE6FXDO1XE4R7/M105%2B20241203.jpg Astrophotography - Galaxies M105 Elliptical Galaxy, Dec 3rd 2024, 25x120s, C9.25 w/ 0.63x, ASI533MC Pro. NGC 3389 (top left) and NGC 3384 (top) are also visible https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e7ceb03d-d038-4202-9941-2b313480f2ea/M61+20250110.jpg Astrophotography - Galaxies M61 Swelling Spiral Galaxy, Jan 9th, 2025, 25x120s, C9.25 w/ 0.63x, ASI533MC Pro. NGC 4301 (left) and NGC 4292 (right) are visible https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/78abafb1-c6ba-4301-bc36-f569be47f6cd/M85+20250110.png Astrophotography - Galaxies M85 Lenticular Galaxy, Jan 9th, 2025, 25x120s, C9.25 w/ 0.63x, ASI533MC Pro. NGC 4394 is prominent on left, and IC 3292 is visible on right https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9563acf0-17d2-4fa1-a7ca-334f1a846264/M98+20250110.jpg Astrophotography - Galaxies M98 Spiral Galaxy, Jan 9th, 2025, 25x120s, C9.25 w/ 0.63x, ASI533MC Pro. NGC 4186 (bottom left) and NGC 4192 (bottom right) are visible https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/a70b9d06-8750-4d8d-af61-2c585f19a587/M99+20250110.jpg Astrophotography - Galaxies M99 St. Catherine's Wheel Galaxy, Jan 9th, 2025, 25x120s, C9.25 w/ 0.63x, ASI533MC Pro. The diagonal streak in lower right is asteroid 3197 Weissman (Mag 16.3). https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8282a542-6fd6-4cad-b3d3-0063e83f192d/M100+20250110.jpg Astrophotography - Galaxies M100 Mirror Galaxy, Jan 9th, 2025, 25x120s, C9.25 w/ 0.63x, ASI533MC Pro. NGC 4328 (left) and NGC 4322 (top) are visible https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/60e2bd81-d9f3-4b23-8930-308a937ada83/M108+20250110.jpg Astrophotography - Galaxies M108 Surfboard Galaxy, Jan 9th, 2025, 25x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/544fb0e1-4471-4fff-b4b8-fb2356648489/M109+20250110.jpg Astrophotography - Galaxies M109 Vacuum Cleaner Galaxy, Jan 9th, 2025, 25x120s, C9.25 w/ 0.63x, ASI533MC Pro. UGC 6969 (left) and UGC 6940 (below) are visible as part of the M109 Group. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/07d60354-607e-4cce-a33b-d0cb884b8f2d/M58-M89-M90+20250115.jpg Astrophotography - Galaxies M58/M89/M90, Jan 15th 2025, 55x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/5c693942-67c4-41fa-8e3d-52aa5a59105b/M65-M66+20250115.jpg Astrophotography - Galaxies M65/M66/NGC3628 Leo Triplet, Jan 15th 2025, 120x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f9cd11c9-4cdd-4f09-9f38-da945cba95a7/M81+20250115.jpg Astrophotography - Galaxies M81 Bode's Galaxy, Jan 15th 2025, 55x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/90a43f8d-60d9-4293-80d4-6234895a843d/M104+20250115.jpg Astrophotography - Galaxies M104 Sombrero Galaxy, Jan 15th 2025, 55x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9a39bcdd-0bad-47ba-bc49-3a097b2defa9/M51+20250116.jpg Astrophotography - Galaxies M51 Whirlpool Galaxy, Jan 16th 2025, 140x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9ffd7546-66e6-4287-89a2-1a075cb4e720/M89+20250116.jpg Astrophotography - Galaxies M89 Elliptical Galaxy, Jan 16th 2025, 50x120s, Redcat 71, ASI533MC Pro. M89 is center, M90 on left, M58 is lower right, NGC 4531 is upper left, NGC 4551 and NGC 4550 are center right. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/c2e49817-0a5f-416b-abdf-7966049ad8e8/C7+20250128.jpg Astrophotography - Galaxies C7 Spiral Galaxy, Jan 28th 2025, 55x120s, Redcat 71, ASI533MC Pro. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/e70bfe0a-589f-43a3-99a3-0fd3ba4cb280/C32+20250128.jpg Astrophotography - Galaxies C32 Spiral Galaxy, Jan 28th 2025, 35x120s, Redcat 71, ASI533MC Pro. NGC 4656 below, NGC 4627 adjacent. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/d7a60d35-8bbc-4504-bac8-a95e65a03472/M49+20250128.jpg Astrophotography - Galaxies M49 Elliptical Galaxy, Jan 28th 2025, 25x120s, Redcat 71, ASI533MC Pro. Also visible: NGC 4526, NGC 4535, NGC 4519, NGC 4492, NGC 4488, NGC 4469, NGC 4470, NGC 4466, PGC 41130, PGC 4117. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/942fcb21-75b8-45c3-aa6b-dd1c006b131f/M105+20250128.jpg Astrophotography - Galaxies M105 Elliptical Galaxy, Jan 28th 2025, 35x120s, Redcat 71, ASI533MC Pro. Adjacent: NGC 3384, NGC 3389, Right: M96, Left: NGC 3412. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/cc90c4c5-cd09-4665-825b-ef7dd34cb566/MC+20250129+F1+-+MC+20250129+F6+%281%29.jpg Astrophotography - Galaxies Markarian's Chain, Jan 29th 2025, 2x3 mosaic, each 25x120s, Redcat 71, ASI533MC Pro. Includes galaxies M58, M84, M86, M87, M89, M90, NGC4371, NGC4388, NGC4429, NGC4438, NGC4459, NGC4473, & NGC4568. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/03b15cb8-bb64-49ce-b2f2-eeecfee33240/M81+20250129.jpg Astrophotography - Galaxies M81 Bode's Galaxy, Jan 29th 2025, 105x120s, Redcat 71, ASI533MC Pro. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/0a40fe65-ab95-4dcb-87fb-c279871fb87d/M101+20250227.jpg Astrophotography - Galaxies M101 Pinwheel Galaxy, Feb 27 2025, 230x120s, Redcat 71, ASI533MC Pro. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/0d11a496-753e-44ef-9d9f-b9b0cefa05b5/M51+20250228.jpg Astrophotography - Galaxies M51 Whirlpool Galaxy, Feb 28 2025, 50x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/136c7221-7da6-4eaf-aab8-498d7bad274b/M59+20250228.jpg Astrophotography - Galaxies M59 Elliptical Galaxy, Feb 28 2025, 25x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/eb620b33-cd08-4e5e-aa66-83ba062f2f95/M64+20250503.jpg Astrophotography - Galaxies M64 Black Eye Galaxy, May 3rd 2025, 20x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/cd4edf6d-4073-4f39-92f9-762993fd2f90/M88+20250503.jpg Astrophotography - Galaxies M88 Spiral Galaxy, May 3rd 2025, 20x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/3ac8add1-d914-4120-98ea-173a6dfc1ece/M91+20250503.jpg Astrophotography - Galaxies M91 Spiral Galaxy, May 3rd 2025, 20x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/5e2770b7-bd6e-44e9-a039-ba327f71fd96/M102+20250503.jpg Astrophotography - Galaxies M102 Spindle Galaxy, May 3rd 2025, 20x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/5e504444-0afa-4c09-b71a-3bcd2500c28c/M60+20250503.jpg Astrophotography - Galaxies M60 Elliptical Galaxy, May 3rd 2025, 20x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/74610b4d-d574-44c9-8b7c-327f231881a8/NGC4244+20250509.jpg Astrophotography - Galaxies C6 (NGC4244) Spiral Galaxy, May 8th 2025, 30x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/0334d106-0324-40e0-9143-b05d14e9e94e/C32+20250511.jpg Astrophotography - Galaxies C32 Whale Galaxy, May 8th 2025, 35x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/af7e8bbf-f2c6-4a51-9c6c-315e853da0ce/M83+20250511.jpg Astrophotography - Galaxies M83 Southern Pinwheel Galaxy, May 8th 2025, 30x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/a030ac8e-ee01-4ef7-9ab5-2407002d85e4/NGC5907_20250610.jpg Astrophotography - Galaxies NGC5907 Splinter Galaxy, June 10th 2025, 35x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/37013529-0d04-4ff1-aca1-18459754d745/NGC9646_20250610.jpg Astrophotography - Galaxies NGC6946 Fireworks Galaxy, June 10th 2025, 30x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/67c3f94e-02ca-4513-b26c-87b988b41e84/M32_20250621_20.jpg Astrophotography - Galaxies M32 Dwarf Galaxy, June 20st 2025, 20x120s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/4dbbc585-66dc-4e2d-8c0b-ec63d50a1eb9/NGC7331+20250821.jpg Astrophotography - Galaxies C30 Spiral Galaxy, August 20 2025, 90x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/dd47e9b1-3120-4504-8d0e-e0167a455df7/C21_20251215.png Astrophotography - Galaxies C21 Irregular Galaxy, Dec 15th 2025, 30x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8d3fbd1c-d7ff-4837-bd79-cfc8c3aa6640/NGC722_20251215.png Astrophotography - Galaxies NGC722 Spiral Galaxy, Dec 15th 2025, 30x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/8fee4b3d-f64b-4194-a922-7242b13e96d7/NGC2683_20251215.png Astrophotography - Galaxies NGC2683 Spiral Galaxy, Dec 15th 2025, 30x120s, C9.25 w/ 0.63x, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/ea0dcb8b-bede-48b0-81d9-a8d017ede213/NGC4490_20251215.png Astrophotography - Galaxies NGC4490 Cocoon Galaxy, Dec 15th 2025, 30x120s, C9.25 w/ 0.63x, ASI533MC Pro https://www.engineeringcommons.org/astrophotography/comets monthly 0.5 2025-01-10 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/152575b8-8459-48e0-9166-b88c6ad47185/Comet-ezgif.com-optimize.gif Astrophotography - Comets C/2023 A3 (Tsuchinshan–ATLAS), Oct 19 2024, 30s frame spacing, 10s per frame, C9.25 with 0.63x Reducer, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/5ecc298d-3beb-4cbb-a758-f9371048aca6/DSC_1471.JPG Astrophotography - Comets C/2023 A3 (Tsuchinshan–ATLAS), Oct 19 2024, 10sec, F/4, Nikon D700 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/2084c88b-f371-4447-84d3-bddfcdca6d36/GIF200ms-ezgif.com-optimize.gif Astrophotography - Comets C/2023 A3 (Tsuchinshan–ATLAS), Oct 19 2024, 10sec at 30sec intervals, F/4, Nikon D700 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/548f201b-5892-42d6-b957-b9eec0ff26bd/DSC_1564.JPG Astrophotography - Comets C/2023 A3 (Tsuchinshan–ATLAS), Oct 21 2024, 30sec, F/10, Nikon D700 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/176b8157-1e57-4fb3-806d-9273f01c4e6d/C-2025+K1.gif Astrophotography - Comets C2025 K1 (ATLAS) A/B/C, Dec 15th 2025, 120s frame spacing, 120s per frame, C9.25 with 0.63x Reducer, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/f3b296b1-a6b0-46d1-ab69-bc5ecfec88aa/C2025-A6.gif Astrophotography - Comets C2025 A6 (Lemmon) , Oct 29th 2025, 60s frame spacing, 60s per frame, C9.25 with 0.63x Reducer, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/069477b4-d509-4567-ad18-e53ac80da3b5/3I-ATLAS_20251230_Compressed.gif Astrophotography - Comets 3I/ATLAS , Dec 29th 2025, 120s frame spacing, 120s per frame, C9.25 with 0.63x Reducer, ASI533MC Pro https://www.engineeringcommons.org/astrophotography/curiosities monthly 0.5 2025-01-10 https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/5ffce64a-12f5-4355-a349-ef2928cbeb83/M40+20250110.jpg Astrophotography - Curiosities M40 (Winnecke 4) Optical Double, Jan 5th, 2025, 10x60s, C9.25 w/ 0.63x, ASI533MC Pro. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/cdb4bec8-5b9c-4b18-a9d1-2d2308b3933b/T-CrBo+20250115+Annotated.PNG Astrophotography - Curiosities T Corona Borealis, Jan 15th 2025, 25x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9de906f5-b4dc-4c28-8cba-cfa74771f532/M73+20250514.jpg Astrophotography - Curiosities M73 Asterism, May 14th, 2025, 10x60s, C9.25 w/ 0.63x, ASI533MC Pro. https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/9769430c-ead4-4f67-834c-e32c7f882e81/M24_20250619.jpg Astrophotography - Curiosities M24 Sagittarius Star Cloud, June 19th 2025, 20x60s, Redcat 71, ASI533MC Pro https://images.squarespace-cdn.com/content/v1/5e3714a703c72c513a140840/1752437888965-X0GGRDG68XXHRB6XMIKW/120sAnnotated.png Astrophotography - Curiosities Limiting Magnitude Test, 30deg elevation to south.