M13 Hercules globular cluster, Andrew

M13 Hercules globular cluster

M13 Hercules globular cluster, Andrew

M13 Hercules globular cluster

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Description

Messier 13 (M13), also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster, is a globular cluster of about 300,000 stars in the constellation of Hercules.

M13 was discovered by Edmond Halley in 1714, and catalogued by Charles Messier on June 1, 1764.

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Histogram

M13 Hercules globular cluster, Andrew