Friday, March 22, 2019   
Astrophotography Gallery > Star Clusters > Great Hercules Cluster (M13)
Date: Saturday, March 9, 2013
Location: Eastman Lake, CA
Also known as NGC6205, the Great Hercules Cluster is a beautiful, bright globular cluster of roughly 300,000 stars located in the keystone area of the constellation Hercules. It lies approximately 22,200 light years from Earth.
Mount: Celestron CGEM
Camera: Canon 60D (Stock)
Scope/Lens: Orion Astrograph 8" f/3.9 Newtonian
Guide Scope: Orion ST 80mm f/5 Refractor
Guide Camera: Orion Starshoot Autoguider
Exposure #1 (RGB):
   38 x 80 Seconds @ ISO 1600, f/3.9
   20 Darks, 0 Flats/Dark Flats/Bias

Integration: 0 Hours, 50 Minutes, 40 Seconds
Processing: BackyardEOS, PHD, DeepSkyStacker, Adobe Photoshop CS6
(Click Image to View Original Full Size)
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