NGC 1788 (Ced 40, DG 51, LBN 916 and others) is a reflection nebula located approximately 1,300 light-years away in Orion.
Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
360 minutes total exposure – 6 hours
Imaged November 13th, 14th and 15th, 2017 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/26667035208/sizes/l
See my wider image taken with a refractor here - https://www.flickr.com/photos/dcrowson/40367356121.