The Forgotten Cluster
Photographed by Scott Davis on June 1, 2013
From Ahwahnee Hills Observatory
Description:
Poor Messier 92...this beautiful globular cluster is often overlooked by astronomers drawn to the rather immense Messier 13 in the constellation Hercules. However, this globular is beautifully colorful and worthy of a gander the next time you peer up at Hercules!
Imaging Camera:
Canon EOS 60D
Imaging Scope/Lens:
Orion Astrograph 8" f/3.9 Newtonian
Mount/Tripod:
Celestron CGEM (Hypertuned)
Guide Scope/Camera:
Orion Shorttube 80mm w/ Starshoot Autoguider
Exposure Details:
Camera settings were ISO 1600 with a shutter speed of 30 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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