Globular cluster M13 captured using Canon EOS 600D + EF-S F/4-5.6 55-250mm @250mm and F/7. The camera was put on EQ5 motorized mount.
The cluster's diameter is about 145 light years; it is composed of about half million stars and is distanced more than 25000 light years from Earth (according to Wikipedia).
The cluster's diameter is about 145 light years; it is composed of about half million stars and is distanced more than 25000 light years from Earth (according to Wikipedia).

