He was part of a French expedition together with the Édouard Stephan and Georges Rayet.
In its first incarnation, it was the discovery site of a group of galaxies known as Stephan's Quintet or Hickson 92, discovered by Édouard Stephan in 1877.
Édouard Manet | Stephan Moccio | Édouard Vuillard | Édouard Daladier | Stephan Elliott | Martin Stephan | Jules Edouard Roiné | Stephan Pastis | Stephan Marks | Stephan Kekulé von Stradonitz | Stephan Engels | Stephan Eicher | Édouard-Louis Pacaud | Édouard-Louis-Antoine-Charles Juchereau Duchesnay | Édouard Lalo | Édouard Detaille | Stephan Weidner | Stephan Thernstrom | Stephan Schreck | Stephan Noller | Stephan Körner | Stephan Kaschendorf | Stephan Hermlin | Stéphan Grégoire | Stephan Collishaw | Stephan Andersen | Stephan A. Hoeller | Stephan | Édouard Stephan | Edouard Roditi |