Caroline's Rose
Photographed by Scott Davis on September 7, 2013
From Eastman Lake, California
Description:
Caroline's Rose, catalogued as NGC 7789, is a gorgeous open cluster in the constellation Cassiopeia. It was actually discovered by Caroline Herschel in 1783; her brother named it after her and the fact that, when observed visually, it can appear to have the swirling pattern of rose petals viewed from above. It lies at a distance of approximately 7,600 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 Shorttube 80mm w/ Starshoot Autoguider
Exposure Details:
Camera settings were ISO 1600 with 40-second exposures. A total of 36 light frames, 15 dark frames, and 40 each of flat, dark flat, and bias frames were combined to create this final image. Total integration time is 24 minutes.
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