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 about 300,000 stars in the constellation of Hercules.
Telescope: TEC-140
Camera: QSI-583ws
Exposure: Luminance: 19×300 and 10×600 R,G,B: 12×300 each
Total: 5,4 hours
