Barnard 366 (LDN 1131) is a dark nebula to the left (east) of the bright star BD+58 2303. This one is located just below the IC 1396 / Trunk Nebula complex in Cepheus.
Luminance – 33x600s – 330 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
450 minutes total exposure – 7 hours 30 minutes
Imaged October 2nd, 3rd, 6th and 8th, 2021 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/51686469047/sizes/l/