Arp 266 (NGC 4861, UGC 8098 and others) is part of Arp’s ‘Galaxies (not classifiable as S or E): Irregular clumps’ class. Located approximately 32.6 million light-years away in Canes Venatici, this one could be normal spiral or even a dwarf irregular galaxy.
IC 3961 (PGC 44532, VV 797b and others) is the bright clump at the bottom of Arp 266.
Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 18:13:13x300s – 90:65:65 minutes each – binned 2x2
460 minutes total exposure – 7 hours 40 minutes
Imaged April 9th, 10th, 14th and 15th, 2023 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/52822592949/sizes/l/