Celestial hemisphere:  Northern  ·  Constellation: Hercules (Her)  ·  Contains:  Hercules Globular Cluster  ·  M 13  ·  NGC 6205  ·  NGC 6207
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Great Globular Cluster in Hercules, Pepe Chambó
Great Globular Cluster in Hercules
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Great Globular Cluster in Hercules

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M13 is the Great Globular Cluster in Hercules, contains about 300.000 stars in a sphere with a radius of 75 years-light. Was discovered by Edmond Halley on 1714. With a combined magnitude of 5,8 is hardly visible at naked eye from dark sites, but with a simple binoculars is possible to perceive its beautiful and resolve a lot of stars that compose it. At upper left it can see the galaxy NGC 6207 with 12 magnitude, and a half dozen more of small and faint galaxies spread along the image.

Full story in the Blog  Cometografia.es

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Great Globular Cluster in Hercules, Pepe Chambó

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