Arp 169 consists of (north to south) NGC 7236 (UGC 11598, VV 1934a and many others), NGC 7237 and NGC 7237C (2MASX J22144877+1350006 and others). Part of Arp’s Galaxies (not classifiable as S or E) with diffuse counter tails class, these appear to be located approximately 340 million light-years away in Pegasus.
The spiral with a bright core below Arp 169 is PGC 68368.
Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
360 minutes total exposure – 6 hours
Imaged September 27th, 28th and 29th, 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/48839687136/sizes/l/