The great cluster of Hercules, 2018-10-10 In Color!
The great cluster of Hercules, 2018-10-10 In Color!
The Great Hercules Cluster, 2016-08-10
The Great Hercules Cluster, 2015-09-24
The Great Hercules Cluster, 2015-08-20
The Great Hercules Cluster, 2014-05-18
The Great Hercules Cluster, 2014-05-12
The Great Hercules Cluster, 2011-10-05
The Great Hercules Cluster, 2011-09-15
The Great Cluster of Hercules and neighboring galaxy, 2010-04-12 In Color!
The Great Cluster in Hercules, 2009-06-17
The Great Cluster in Hercules, 2009-06-17
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!
The Great Cluster of Hercules, 2000-08-09 In Color!
Galaxies and Cluster in Hercules, 1999-04-29