M13 - The Hercules Cluster
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Landgraaf
Orion 80/600 ED
Baader UHC-S
Losmandy G-11
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Atik 1HS, 60/700 Achro & Guidedog
Canon 20D
10 x 180 sec @ ISO800
30m
Canon 20D
10 x 180 sec @ ISO800
30m
[ Other resolutions/versions - or click the image for maximum resolution available ]
Maximum Resolution 1024 x 768 Pixel (144 kB)
Additional notes and remarks:
Object info
M13, also known as the 'Great Hercules globular cluster', is one of the most prominent and best known globular clusters of the Northern sky. With an apparent magnitude of 5.8, it is just visible with the naked eye under good conditions. Its diameter is about 145 light-years, and it is composed of several hundred thousand stars. M13 is 25,100 light-years away from Earth.
Processing
Comments
Larger scope is required to resolve more stars.
Galaxy NGC 6207 visible at lower left is at ~45 million light years.
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