Messier 34 (NGC 1039) is an open cluster of an estimated 400 stars located approximately 1,500 light-years away in Perseus. This has to be one of my favorite images that I’ve taken.
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 August 23rd and 24th, 2015 with a SBIG ST-8300M on an Astro-Tech AT90DT at f/6.7 603mm.
LRGB - https://www.flickr.com/photos/dcrowson/20719133250/sizes/l