Hercules Cluster (Abell 2151)
By alan4908
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The Hercules Cluster (Abell 2151) consists of about 200 galaxies, most have spiral designs although some elliptical structures are also present. Interestingly, many of the galaxies appear to be interacting. The blue tints indicate star formation and are mainly associated with spiral galaxies, whilst the reddish/yellow glows are associated with older stellar populations.
This LRGB image represents about 9 hours integration time and was taken with my Esprit 150.
Alan
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