Guided tour of the large astronomical telescope under the dome of the observatory, history of the building and the astronomer and author Camille Flammariron who lived there. More information on the site of the Société des Astronomiques de France. Around the visit, scientific and cultural activities will take place in the afternoon, the park being free of access, occupied by associative stands.

Address
32 avenue de la Cour de France 91260 Juvisy-sur-Orge, Essonne, Île-de-France, France