Arp 225 (NGC 2655, UGC 4637, VV 1248 and others) is a Seyfert, lenticular galaxy located approximately 66 million light-years away in Camelopardalis.
Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
360 minutes total exposure – 6 hours
Imaged March 14th, 16th, 17th and 18th, 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/33371015743/sizes/l