Barnard 174 (B172?, LDN 1164 and others) is a very dark nebulae found in Cepheus. This one is approximately 4 degrees to the east of the Elephant Trunk region.
Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 10x300s – 50 minutes each – binned 2x2
390 minutes total exposure – 6 hours 30 minutes
Imaged September 3rd and 4th, 2018 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/30627253298/sizes/l