Great Cluster in Hercules
The Great Hercules Cluster, also known as M13, is a large globular cluster composed of over 300,000 stars.

This photo was taken at Poo Poo Point on Tiger Mountain near Issaquah, Washington around 11:00 pm on May 11, 2002.

848 mm focal length, f/8
6 x 10-second exposures
No filters used