The Hercules Galaxy Cluster consists of approximately 200 galaxies some 500 million light years away. From our perspective it lies in the Hercules constellation but is in fact far more distant. Many of the points of light in this image are actually unresolved galaxies.
Acquisition Details
LUM = 72x5min
R = 35x5min
G = 40x5min
B = 40x5min
Total = 15hrs 35min