The Butterfly Cluster (M6)
Photographed by Scott Davis on July 8, 2013
From Golden State Star Party
Description: The Butterfly Cluster, catalogued as M6 and NGC6405, is an open cluster located in the constellation Scorpius. It lies at a distance of approximately 1,600 light years from Earth.
Imaging Camera: Canon EOS 60D
Imaging Scope/Lens: Orion Astrograph 8" f/3.9 Newtonian
Mount/Tripod: Celestron CGEM (Hypertuned)
Guide Scope/Camera: Orion Astrograph 8" f/3.9 Newtonian
Exposure Details: Camera settings were ISO 1600 with 45-second exposures. A total of 40 light frames, 15 dark frames, and 50 each of flat, dark flat, and bias frames were stacked to create this final image.
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