The Great Cluster of Hercules, 2007-08-01
The Great Cluster of Hercules, 2007-08-01
The Great Cluster of Hercules, 2007-07-13
The Great Hercules Cluster, 2006-10-17
The Great Hercules Cluster, a globular cluster in Hercules, 2004-09-17 In Color!
The Great Hercules Cluster, a globular cluster in Her, 2004-09-17
M13 - The Great Cluster of Hercules, 2001-07-16 In Color!