M77 (Arp 37, NGC 1068, UGC 2188, Cetus A and many others) is a barred spiral galaxy located approximately 47 million light-years away in Cetus. Arp classified this one as Spiral Galaxies – Companions on Arms – Low Surface Brightness Companions. Your guess is as good as mine.
NGC 1055 (UGC 2173, PGC 10208 and many others) at the top center is another Arp-like galaxy with a very prominent dark dust lane. This one is a member of the M77 galaxy group.
Luminance – 12x600s – 120 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
240 minutes total exposure – 4 hours
Imaged on November 24th, 2019 at the Danville Conservation Area (New Florence, Missouri) with a SBIG ST-8300M on an Astro-Tech AT90EDT at f/6.7 603mm.
LRGB - https://www.flickr.com/photos/dcrowson/49144140751/sizes/l/