Abell 2151

The Hercules Galaxy Cluster

Abell 2151 - The Hercules Galaxy Cluster

by Bob and Janice Fera

Parallax Instruments 12.5" f/9 Ritchey Chretien

Yankee Robotics Trifid-2 6303E

180 minute exposure

30-minute sub-exposures

CCDstack, MaxIm/DL with RC-Astro plugin and Adobe Photoshop

Taken May 30, 2006 from Eagle Ridge Observatory, Foresthill, CA

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