M 82 in Cassiopeia 23rd March 2020 @ 20:11 UT
A bright and compact triangular cluster. Not that many stars. My focusing was awful!
Image: 15 seconds x 20 frames (300 seconds total), gain 6584, bin 2x2, Raw 14, black level 99, camera temperature 10.3 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: M 103, 7,200 light years distance.
First recorded by Charles Messier in 1781. It was the last object he added to his original catalogue.