Sh2-206 (NGC 1491, Ced 21, LBN 704, LBN 706 and more) is a HII region located approximately 9,850 light-years away in Perseus.
Ha – 30x1800s – 900 minutes – binned 1x1
Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
1260 minutes total exposure – 21 hours
Imaged over six nights in November and December, 2020 at 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/51823825467/sizes/l/
HaRGB - https://www.flickr.com/photos/dcrowson/51823825352/sizes/l/