Gallery »  M15: Ancient Globular Cluster

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An estimated age of over 12 billion years makes M15 the oldest known globular cluster. This massive grouping of stars is collapsing under its own gravitation pull, drawing the stars in towards a possible black hole in its core.
Telescope:   Stellina
Length:   400mm
Aperture:   80mm
F-stop:   f/5.0
Sessions:   1
Captured:   2021-10-09
Lights:   41
Exposure:   10
Total exposure:   6 m
Ra:   21h 29m 53.2s
Dec:   +12° 08' 16.344
Size:   61.154 x 41.548 arcmin
Radius:   0.616 deg
Scale:   0.634 arcsec/pixel