Gallery | 2010 Celestron Contest Winners | Honorable Mention: ISS sunspot transit by stephenramsden

Pictures of the ISS transiting the Moon and Sun are common, but that belies just how difficult these shots are to get; quite a bit of planning and literally split-second timing are necessary. In this picture, happenstance put the station next to a similarly-sized sunspot, adding some contrast to this remarkable exposure.

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