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Lesson Tag: Hercules

M13, The Great Hercules Cluster

Target Type R. A. Dec. Constellation Magnitude Size M13 Globular Cluster 16h 42m 25s +36° 25′ 19″ Hercules +5.8 20 arcminutes Overview The Hercules cluster, the 13th object in the Messier catalog, is an easy to locate, rich cluster in the constellation of Hercules. It’s located in a sparsely populated area of sky and rides …

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