Messier 67 (NGC 2682) is a large open cluster located approximately 2,600 light-years away in Cancer.
Luminance – 12x300s – binned 1x1 – 60 minutes
RGB – 8x180s – 24 minutes each – binned 2x2
132 minutes total exposure – 2 hours 12 minutes
Imaged January 19th, 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/31567173754/sizes/l
See my wide-field image here - LRGB - https://www.flickr.com/photos/dcrowson/23339039025/sizes/l