Abell 1367 or the Leo Cluster is a grouping of approximately 117 galaxies located approximately 330 million light-years away in Leo.
Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
360 minutes total exposure – 6 hours
Imaged from Dardenne Prairie, Missouri (a red zone) on February 21st and March 29th, 2020 with a SBIG ST-8300M on an Astro-Tech AT90DT at f/6.7 603mm.
LRGB - https://www.flickr.com/photos/dcrowson/49795075721/sizes/l/
LRGB Annotated with PixInsight - https://www.flickr.com/photos/dcrowson/49795076331/sizes/l/