M48 (NGC 2548, Collinder 179, Melotte 85 and others) is a class I 3 r open cluster located approximately 1,500 light-years away in Hydra.
Luminance – 12x600s – 120 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
240 minutes total exposure – 4 hours
Imaged from Dardenne Prairie, Missouri (a red zone) on December 8th, 29th and 31st, 2016 with a SBIG ST-8300M on an Astro-Tech AT90DT at f/6.7 603mm.
LRGB - https://www.flickr.com/photos/dcrowson/31894706902/sizes/l