NGC 1788 (Ced 40, DG 51, LBN 916 and others) is a reflection nebula located approximately 1,300 light-years away in Orion.
The bottom right corner captures Hickson 31 (also Arp 259) which appears to include NGC 1741 (NGC 1741A, PGC 16574, VV 524/565 and others), PGC 16571 and PGC 16570.
The area between the above contains a lot of dust. Some of the cataloged objects include LDN 1616, LDN 1615, LBN 923 and various molecular clouds.
Luminance – 12x600s – 120 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
240 minutes total exposure – 4 hours
Imaged January 12th and December 27th, 2016 and February 17th, 2018 at the Danville Conservation Area (New Florence, Missouri) with a SBIG ST-8300M on an Astro-Tech AT90DT at f/6.7 603mm.
LRGB - https://www.flickr.com/photos/dcrowson/40367356121/sizes/l
See my previous AT6RC image from 2012 here - https://www.flickr.com/photos/dcrowson/8201116352.