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The Hercules Cluster, M-13 is the largest globular cluster in the Northern Hemisphere
Imaged from the CCCA Observatory
April 3 2011
8" Newtonian Reflector F/5
EQ Pro-6 German Equatorial
Orion Starshoot Autoguider
Canon Digital Rebel XT (unmodified)
Baader Coma Corrector
Prime Focus
18 X 5 min. exposures @ ISO 800 combined
Dark and Flat frames subtracted
Combined with Deep Sky Stacker
Processed with PS CS2
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