Messier 13 (M13), also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster.
It is a globular cluster of about 300,000 stars in the constellation of Hercules.(WIKI)
Telescope: ASA 12" f 3.6 Astrograph
Camera: FLI MicroLine 8300 CCD-Kamera
Lum for 1:15 min (Bin 1)
RGB 10 min each (Bin 2)
Total of 1:45
Imaged from Tivoli farm in Namibia June 2014