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Globular Cluster M13 in Hercules

Optics Borg ED101 at f/8.8
Camera STL11000M
Filters Baader Halpha LRGB
Date June 13 -July 20, 2009
Location Antares Observatory
Sky Conditions mag 4-5 sky
Exposure LRGB = 184,82,62,82min
total: 7h
10min and 2min subexposures
Programs used CCDStack, Photoshop CS4

For a 100% crop of the central area click on the picture below

Great Hercules Cluster

Great Hercules Cluster

click here for a 75% size 1966x1414 (938KB)

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