Sharpless 275 (LBN 596) is a small nebula located approximately 3,500 light-years away in Cassiopeia. It appears to be surrounded by dark nebulae.
Ha – 24x1800s – 720 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
840 minutes total exposure – 14 hours
Imaged over eight nights in August, September, October and November, 2016 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.
HaRGB - https://www.flickr.com/photos/dcrowson/31464269114/sizes/l