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M13¡¦s astronomical name is Hercules Cluster. It is one of the most prominent and best known globular clusters. Visible with binoculars in the constellation of Hercules . M13 is a colossal home to over 100,000 stars, span over 150 light years across, lies over 20,000 light years distant, and is over 12 billions years old. M 27¡¦s astronomical name is Dumbbell Nebula. It is a planetary nebula.
