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Title: The Great Globular Cluster in Hercules.
Caption: Messier 13, also known as the Hercules Globular cluster. At its distance of 25,100 light years, its angular diameter of 20 degrees corresponds to a linear 145 light years. Nearby, about 40 arc minutes north-east of M13, is the faint (mag 11) galaxy NGC 6207. This galaxy has recently produced a type II supernova (SN 2004A).
Category: Space
Credit: Album / Roth Ritter/Stocktrek Images
Image size: 5101 × 3402 px | 49.6 MB
Print size: 43.2 × 28.8 cm | 2008.3 × 1339.4 in (300 dpi)