Earthsky Tonight—May 13, 2010: M13, the Great Cluster in Hercules
Hercules above the star Vega. Today’s closer view can help you identify the most famous deep-sky object within this constellation. It is a globular star cluster known as M13.
Earthsky Tonight—May 12, 2010 The constellation Hercules and The Keystone
Hercules the Hero is not the easiest constellation to identify. You will need a dark sky to see this mighty star figure.