Celestial hemisphere:  Northern  ·  Constellation: Pegasus (Peg)  ·  Contains:  M 15  ·  NGC 7078
M15 , dpbal67
M15
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M15

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Description

Messier 15 or M15 (also designated NGC 7078) is a globular cluster in the constellation Pegasus. It was discovered by Jean-Dominique Maraldi in 1746 and included in Charles Messier's catalogue of comet-like objects in 1764. At an estimated 12.0 billion years old, it is one of the oldest known globular clusters.

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M15 , dpbal67