Messier marathon. Amateur astronomers at a Messier marathon in Seh Qaleh,Iran. During a Messier marathon the astronomers attempt to view all 110 Messier objects,which were catalogued by the 18th century French astronomer Charles Messier,in one night. Photographed on 28th April 2011. For a labelled version of this image see C011/4795 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Tafreshi, Babak |
Taille de l’image : | 8014 px × 4362 px |
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