Great Globular Cluster in Hercules. Credit: Robert Collins
This photo of Messier 13 was captured by Robert Collins on August 5, 2010.
Messier 13, also known as the Great Globular Cluster in Hercules is composed of around 300,000 stars in the constellation Hercules. The cluster is located about 25,000 light years away.
Robert took this photo using an SV105 telescope, Atik 383L+ camera, CGEM mount and Orion Nautilus/filters. The image required a total of 40 exp @ 2 minutes each.
Check out Robert’s Flickr page for more astrophotos.
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