Globular Star Cluster – Messier 15
by Mike Hankey, under Stars
Here’s a photo of the Globular Star Cluster Messier 15 located in the constellation Pegasus. Estimated to be 13.2 billion years old, M15 is one of the oldest known star clusters.
Messier 15 - June 2nd, 2011
Photo Details
18×10 Clear Filter / Total Exposure Time 180 minutes
Camera SBIG ST8300
Guiding off-axis with a 402 mounted using a MOAG.
Paramount ME Mount
William Optics FLT98
CCDSoft / The Sky X / CCDStack
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