NGC 1691 (UGC 3201, PGC 16300 and others) is an odd spiral galaxy located approximately 203 million light-years away in Orion.
Luminance – 26x600s – 260 minutes – binned 1x1
RGB – 12x300s – 60 minutes each – binned 2x2
440 minutes total exposure – 7 hours 20 minutes
Imaged February 25th and November 15th and 16th, 2020 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.
LRGB - https://www.flickr.com/photos/dcrowson/51693355668/sizes/l/