M13 is a globular cluster that is one of my favorite deep sky objects. It's located 21,000 light years from earth in our own Milky Way galaxy and contains thousands of stars orbiting around the center of the cluster. It's only one of millions of awesome things to see in the night sky. I wish everyone could experience the thrill of looking at an object like this through a good telescope. The Clear Sky Clocks below are current predictions of observing conditions at my home and my summer observing site.