Celestial hemisphere:  Northern  ·  Constellation: Hercules (Her)  ·  Contains:  Hercules Globular Cluster  ·  IC 4617  ·  M 13  ·  NGC 6205
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M13, Hercules Globular Cluster, Doug Summers
M13, Hercules Globular Cluster
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M13, Hercules Globular Cluster

Getting plate-solving status, please wait...
M13, Hercules Globular Cluster, Doug Summers
M13, Hercules Globular Cluster
Powered byPixInsight

M13, Hercules Globular Cluster

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Description

Messier 13 lies 22K light-years distant, and contains ~300K stars (~500K solar masses).    It's diameter is approximately 150 light-years.    In the core of the cluster, the density has been estimated to be akin to having 500 stars occupying a cube 3 light-years on a side.    Pretty dense!

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