
Hercules Cluster
M13Globular Cluster
The finest globular cluster visible from northern latitudes — a spherical city of 300,000 ancient stars bound together by gravity.
Find it
Visible to the naked eye as a fuzzy 'star' under dark skies. Located on the western edge of the Keystone asterism in Hercules, about one-third of the way from η to ζ Herculis.