Abell 1631 is a faint cluster of 34 or more galaxies located approximately 600 million light-years away in Corvus. This image is centered on NGC 4727 – the brightest member. See the annotated image for the locations of many others.
Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
360 minutes total exposure – 6 hours
Imaged April 27th and 29th and May 2nd, 17th and 21st, 2022 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/52349658672/sizes/l/
LRGB annotated - https://www.flickr.com/photos/dcrowson/52350930389/sizes/l/
I have a wide field view here - https://www.flickr.com/photos/dcrowson/52350421494.