Photographed by Scott Davis on June 1, 2013
From Ahwahnee Hills Observatory
Messier 10 is a globular cluster in the constellation of Ophiuchus.
Canon EOS 60D
Orion Astrograph 8" f/3.9 Newtonian
Celestron CGEM (Hypertuned)
Orion Shorttube 80mm w/ Starshoot Autoguider
Camera settings were ISO 1600 with a shutter speed of 50 seconds. This stacked image is a composite of 40 light frames and 15 dark frames, and was calibrated with 50 flats, 50 dark flats, and 50 bias frames.
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