M35 in Gemini 23rd March 2020 @ 22:16 UT
A big and bold open cluster. In fact too big in my CPC-800 to really appreciate it. Meandering lines and geometric shapes abound to my human eye.
Image: 15 seconds x 25 frames (375 seconds total), gain 6584, bin 2x2, Raw 14, black level 99, camera temperature 10.1 deg C, 1 dark. Stacked in SharpCap Pro 3.2.6248.0. The image was stacked and adjusted in SharpCap. The image was scaled down and cropped in GIMP.
Equipment: Celestron CPC-800 at F5.9, Alt-Az mount, Altair Astro Hypercam 294C Pro Cooled (fan), Celestron Focuser, CPWI controlled remotely via Microsoft RDP and ASCOM.
Astrometry: 3,600 light years distance, magnitude 5. Charles Messier catalogued M35 in 1764.