Friday, March 22, 2019   
Astrophotography Gallery > Star Clusters > Globular Cluster M15
Date: Saturday, October 5, 2013
Location: Eastman Lake, CA
Globular Cluster M15, also catalogued as NGC 7078, is a globular cluster in the constellation Pegasus, and is the only Messier object in that constellation. One of the oldest known globular clusters, it is estimated to be approximately 12 billion years old and contains well over 100,000 stars. It lies at a distance of 33,000 light years from Earth.
Mount: Celestron CGEM
Camera: Canon 60D (Stock)
Scope/Lens: Orion Astrograph 8" f/3.9 Newtonian
Guide Scope: Orion ST 80mm f/5 Refractor
Guide Camera: Orion Starshoot Autoguider
Exposure #1 (RGB):
   31 x 50 Seconds @ ISO 800, f/3.9
   15 Darks, 40 Flats/Dark Flats/Bias

Integration: 0 Hours, 25 Minutes, 50 Seconds
Processing: BackyardEOS, PHD, DeepSkyStacker, Adobe Photoshop CS6
(Click Image to View Original Full Size)
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