M13 (NGC 6205) - The Great Globular Cluster in Hercules - the new release with RC12" telescope
LRGB combination (Click for a larger view 1400 x 1400 px)
M13 (NGC 6205) - The Great Globular Cluster in Hercules, class V
Discovered by Edmond Halley in 1714, and catalogued by Charles Messier on June 1, 1764.
M13 is now modestly recognized as the Great Globular Cluster in Hercules, one of the brightest globular star clusters in the northern sky. Towards its center, stars are about 500 times more concentrated than in the solar neighborhood. Telescopic views reveal the spectacular cluster's hundreds of thousands of stars. At magnitude 5.8, M13 is visible to the keen unaided eye at a dark-sky observing site. At a distance of 25 000 light-years, the cluster stars crowd into a region 150 light-years in diameter.
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