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Observatoire Istanbul. Observatoire d'Istanbul de Taqi alDin Image prise ici astrolabes org htm vieille image qui est je pense libre de droit aujourd'hui fr Bloodylibu CommonsHelper Fahd Walid fr PDold Original upload log page fr ObservatoireIstanbul Fahd Walid bytes no d'Istanbul de Taqi alDin Image prise ici astrolabes