Marseille Observatory

The Observatoire de Marseille ( Marseille Observatory ) is an astronomical observatory, which is operated by the University of Provence Aix -Marseille I.

It is located in Marseille, France. After its establishment here by Édouard Stephan, a group of galaxies was discovered in 1877, known as Stephan's Quintet. The observatory was originally built outside the city, is now, by the growth of Marseilles, within the urban area.