or Observatoire de Marseille
is an astronomical observatory
run by the University of Provence
. It is located near Marseille
. In its first incarnation, it was the place of discovery for a group of galaxy's known as Stephan's Quintet
or Hickson 92, discovered by Édouard Stephan
in 1877. It was relocated far outside of town in, which due to growth of Marseille, is now on the edge of town.