Full size image can be seen here : M13 with Canon 400D
M13 in Hercules
14 x 5 minute exposures (70 minutes)
Skywatcher 8" Newt / Canon 400D
Romney Marsh (Dark sky site)
Published in Sky at Night Magazine, September 2009
This star cluster is 25,000 light years away from earth, and contains several hundred thousand stars, although some say up to 1 million. The age of M13 has been estimated to approximately 13 billion years.
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