The observatory was established in Juvisy-sur-Orge in 1883 by the French astronomer and author Camille Flammarion. In March 2010, the structure was classified as a historical monument by the French Mi
Observatoire Camille Flammarion à Juvisy sur Orge
Observatory’s sundial
Observatory's telescope in 2012
Flammarion in the observatory circa 1893