Rolf Olsen | profile | all galleries >> Astrophotography >> Open clusters | tree view | thumbnails | slideshow |
Ptolemy's Cluster - Messier 7 |
NGC6520 and Barnard 86 |
The Jewel Box Cluster in Crux |
NGC2362 |
The Gem Cluster NGC3293 |
NGC3532 |
NGC3766 |
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