Observatoire de Cerny

20 rue des Pins, 91590 Cerny

Astronomical observatory on private land. By appointment: observation of the planets, the Sun and our immediate universe.

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Listing provided by Communauté de communes du Val d'Essonne (updated by the source on 06/01/2020).

Tourist office data: DATAtourisme, Licence Ouverte (French open licence), updated 21 October 2026.