Location of photoMayhill, New Mexico
Date/Time of photoMay 28, 2016
EquipmentThe image was taken with a 12.5” RCOS f/9 telescope operating at f/5.94 (Astro-Physics CCDT67 telecompressor) and a SBIG STF8300c camera on a Paramount ME (6 x 20 min lights @ -20 degrees C; 40 darks; 128 bias; 128 flats). Processed with PixInsight 188.8.131.525.
DescriptionMessier 13, or the Great Globular Cluster in Hercules, was discovered by Edmond Halley in 1714. The cluster is estimated to contain from 300,000 to a half-million stars and is about 26,000 lights years distant from our solar system.