M31 - Andromeda Galaxy (also M32 and M110).
This was my second attempt at M31. I removed the OTA from the Alt-Az fork arm and mounted my DSLR with 55-250mm zoom lens in it's place. I figured I could get a little longer images with the tracking.
Date: Oct. 11, 2019
Frames: 275x6" ISO1600, 35 darks, 35 bias
Total time: 27 mins. 30 secs.
Bortle Dark-Sky scale: 6
Imaging camera: Canon T2i (unmodded)
Lens: Canon EF-S 55-250mm f/4.0-5.6 (zoomed to 171 mm)
Mount: Celestron Altitude-Azimuth Single Fork Arm
Software: Backyard EOS, Astro Pixel Processor