Messier 3
Photographed by Scott Davis on May 10, 2013
From Lemoore, CA
Description:
Messier 3, also catalogued as NGC 5272, is a globular cluster located in the constellation Canes Venatici, just west of Arcturus in the constellation Bootes. It is one of the largest and brightest clusters in the sky, estimated to contain approximately 500,000 stars. It is estimated to be over 8 billion years old and is located at a distance of 33,900 light years from Earth.
Imaging Camera:
Canon EOS 60D
Imaging Scope/Lens:
Orion Astrograph 8" f/3.9 Newtonian
Mount/Tripod:
Celestron CGEM
Guide Scope/Camera:
Orion Shorttube 80mm w/ Starshoot Autoguider
Exposure Details:
Camera settings were ISO 800 with 35-second exposures. A total of 58 of 65 lights and 15 darks were stacked to create this composite image. Capturing was done in Backyard EOS and stacking was done using Deep Sky Stacker. Post processing was done in Adobe Photoshop using Scott Rosen's DSLR LLRGB processing method.
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