Sharpless 125 (IC 5146, Caldwell 19 or the Cocoon Nebula) is a combination reflection and emission nebula located approximately 3,000 light-years away in Cygnus.
Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 12x300s – 60 minutes each – binned 2x2
420 minutes total exposure – 7 hours
Imaged October 4th and 5th, 2016 from Dark Sky New Mexico (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.
LRGB - https://www.flickr.com/photos/dcrowson/29547405544/sizes/l
See my wider view taken with a 90mm refractor from the city here - https://www.flickr.com/photos/dcrowson/9631776700 .