Globular Clusters
The Hercules Globular Cluster
(M13)
photo by Geoffrey Heller
| Date Taken | June 27, 2009 |
|---|---|
| Location | Seattle, Washington USA |
| Exposure | 26 minutes @ 120 second subs 20 minutes @ 240 second subs |
| Classification | Globular Cluster |
| Constellation | Hercules |
| Distance | 25,100 Light Years |
| Notes | Image taken from downtown Seattle under conditions of heavy light pollution. |
| Explanation | M13 is about 145 light-years in diameter, and it is composed of several hundred thousand stars. |