The Butterfly Cluster (M6)
Photographed by Scott Davis on July 8, 2013
From Golden State Star Party
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
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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