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M 13, GLOBULAR CLUSTER on 2023-06-29

 This photo was done in my backyard in Kyle, Texas through a 6-inch Sky-Watcher f/4 Telescope, on a Sky-Watcher EQ6-R mount, using a ZWO ASI533MC PRO color camera. 124 subs x 30 sec.

Messier 13 or M13, also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster, is a globular cluster of several hundred thousand stars in the constellation of Hercules. About 145 light-years in diameter, M13 is composed of several hundred thousand stars, with estimates varying from 300,000 to over half a million. The brightest star in the cluster is a red giant, the variable star V11, also known as V1554 Herculis. M13 is between 22,200 and 25,000 light-years away from the Earth. The globular cluster is one of over one hundred that orbit the center of our Milky Way Galaxy. Nearby Messier 13 is NGC 6207, a 12th-magnitude edge-on galaxy that lies 28 arcminutes directly northeast, and another small galaxy, IC 4617, that lies halfway between NGC 6207 and M13, north-northeast of the large globular cluster's center.

Previous Photos

M 13 on 03-07-2008

Done with my 17.5 inch scope and SBIG ST-9E CCD camera.