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Rolf Olsen | profile | all galleries >> Astrophotography >> Galaxy clusters | tree view | thumbnails | slideshow |
![]() Abell 1060 with SBIG ST-7 |
![]() A comet and gravitational arc in Abell 2667 |
![]() Abell 539 in Orion |
![]() Abell 1060 in Hydra |
![]() The massive and very distant Abell1689 |
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