Abell 2151, the Hercules Galaxy Cluster, is 500 milion light years distant. It is comprised of an astonishing array of over 200 galaxies of many morphologies, though spiral rich, and with several interacting pairs. This is all packed into an area of sky covering a mere 30 arc-minutes in diameter.

Imaging Camera: QSI640wsg
Imaging Scope: Celestron 9.25"Edge HD at f/7
Guide Camera: SX Lodestarx2
Mount: Avalon M-Uno Fast Reverse
Filters: Astrodon Gen II LRGB
Exposure: 300 min Lum, 3 min subs binx1, 60 min each RGB, 2.5 minute subs binx2.
Capture: APT
Processing: CCD Stack and PS CC
Date: 6/21/20-6/26/20
Sky conditions: Below average seeing, Bortle white skies, SQM 17.8 mag/arc-sec2
Location: My front driveway. Morristown, NJ