NGC 3621 (ESO 377-37, UGCA 232, PGC 34554 and others) is a large spiral galaxy located approximately 22 million light-years away in Hydra.
Luminance – 24x300s – 120 minutes – binned 2x2
RGB – 24x300s – 120 minutes each – binned 2x2
480 minutes total exposure – 8 hours
Imaged over 15 nights in January, February and March, 2023 at the El Sauce Observatory (Rio Hurtado, Chile) with a QHY 600M on a PlaneWave CDK24 at f/6.5 3974 mm.
LRGB - https://www.flickr.com/photos/dcrowson/52819672487/sizes/l/
This data is from Telescope Live (https://telescope.live/) “One-click Observations.”