Hélène, Tilmann and Sylvie present an eclectic musical program, between summer and autumn, with compositions from G.F.Haendel to J.Williams via R.Strauss, A.Glazounov or C.Thomain and A.Morisod. Around this musical performance, guided tours of the large telescope are offered in the dome of the observatory, telling the story of the building and the astronomer and author Camille Flammarion who resided there. The visit is free in the park where associative stands welcome visitors for scientific and cultural events https://saf-astronomie.fr/portail-camille-flammarion/