The Paris Observatory , 61 Ave de l'Observatoir ![]() Founded in 1671, its first Director was Cassini de Thury. Four generations of Cassinis acted as Director until the Revolution. Françcois Arago was director until 1851, followed by Urbain J Le Verrier, discoverer of Neptune (he was responsible for naming Atalanta for Goldschmidt in 1855). The Observatory has a web site (in French). |