Stephane Javelle
Encyclopedia
Stephane Javelle was a French
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 astronomer
Astronomer
An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

. Since 1888 he worked assisting Henri Perrotin
Henri Joseph Anastase Perrotin
Henri Joseph Anastase Perrotin was a French astronomer. Some sources give his middle name as Athanase....

 at the Nice Observatory
Nice Observatory
The Observatoire de Nice is an astronomical observatory located in Nice, France on the summit of Mont Gros. The observatory was initiated in 1879 by the banker Raphaël Bischoffsheim...

, and observed 1431 objects published in the Index Catalogue
Index Catalogue
The Index Catalogue —also known as the Index Catalogue of Nebulae, the Index Catalogue of Nebulae and Clusters of Stars, IC I, or IC II— is a catalogue of galaxies, nebulae and star clusters that serves as a supplement to the New General Catalogue...

.
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