 M5, globular cluster in Serpens, 11x15-s ST-8 exposures at f/6.3 by F. Ringwald. |
 M13, the Great Globular Cluster in Hercules, full-color (L 11 x 20s, R 5 x 20s, G 5 x 20s, B 9 x 20s, all through a Hutech IDAS light-pollution filter) ST-9XE image at f/6.3 by F. Ringwald, processed by Nathan Siemens. |
 M22, globular cluster in Sagittarius, 8x20-s ST-8 exposures at f/10 by John Prigge. |
 M2, globular cluster in Aquarius, 15x5-s ST-8 exposures at f/10 by Greg Morgan, John Prigge, and Gabe Reyna. |
 M56, globular cluster in Lyra, full-color (L 11 x 20s, R 5 x 20s, G 5 x 20s, B 9 x 20s, all through a Hutech IDAS light-pollution filter) ST-9XE image at f/6.3 by F. Ringwald, processed by Michael Ragsdale. |
 M71, globular cluster in Sagitta, 10x15-s ST-8 exposures at f/10 by John Prigge. |
 M15, globular cluster in Hercules, full-color (L 11 x 20s, R 5 x 20s, G 5 x 20s, B 9 x 20s, all through a Hutech IDAS light-pollution filter) ST-9XE exposures at f/6.3 by F. Ringwald, processed by Steve Rodriguez. |
 M3, globular cluster in the constellation Canes Venatici (the Hunting Dogs), full-color (L 11 x 20s, R 5 x 20s, G 5 x 20s, B 9 x 20s, all through a Hutech IDAS light-pollution filter) ST-9XE exposures at f/6.3 by F. Ringwald, processed by Steve Rodriguez. |
 M92, globular cluster in Hercules, full-color (L 11 x 20s, R 5 x 20s, G 5 x 20s, B 9 x 20s, all through a Hutech IDAS light-pollution filter) ST-9XE exposures at f/6.3 by F. Ringwald, processed by Steve Rodriguez. |
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 M72, globular cluster in Aquarius, full-color (L 11 x 20s, R 5 x 20s, G 5 x 20s, B 9 x 20s, all through a Hutech IDAS light-pollution filter) ST-9XE exposures at f/6.3 by F. Ringwald, processed by Sean Marzolf. |
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