Arp 17 (UGC 3972, MCG+12-08-008a, VV 349 and others) is an odd-shaped spiral located approximately 230 million light-years away in Camelopardalis. Part of Arp’s ‘Spiral Galaxies – Detached Segments’ class, this one appears to be a result of a merger with MCG+12-08-008b (PGC 21685 and VV 349c). The VV (Vorontsov-Velyaminov - http://www.sai.msu.su/sn/vv/) catalog also lists a third galaxy.
Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
360 minutes total exposure – 6 hours
Imaged February 7th and 11th, 2019 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/32143251097/sizes/l