Sh2-196 (LBN 664, Simeis 24 and others) is a HII region located approximately 18,000 light-years away in Cassiopeia.
Ha – 30x1800s – 900 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
1020 minutes total exposure – 17 hours
Imaged over five nights in October and November, 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.
HaRGB - https://www.flickr.com/photos/dcrowson/50765164246/sizes/l/