Great Globular Star Cluster M13 in Hercules

One of the finest Globular clusters containing maybe a million stars. The distance to this cluster is around 25,000 light years or so. Its diameter is around 160+ light years and its age is around 10 bilion years.

Note Galaxy NGC6207 (3.0' x 1.2' and magnitude 11.6) in upper right corner

Images taken with TEC-140 Telescope mounted on Losmandy G11 mount. Camera used was a Canon EOS20D used at prime focus.

Three 1 minute exposures dark compensated, aligned and stacked, background removed and Digitaly Developed in ImagesPlus 2.01