The Algiers Observatory was built in the late 19th century in the

Algiers Algiers is the capital city of Algeria as well as the capital of the Algiers Province; it extends over many Communes of Algeria, communes without having its own separate governing body. With 2,988,145 residents in 2008Census 14 April 2008: Offi ...

suburb of

Bouzaréah Bouzareah or Bouzaréah () is a suburb of Algiers, Algeria. It had a population of 69,200 people in 1998pop ...

, Algeria, North Africa. It participated in the

Astrographic Catalogue The Carte du Ciel (; literally, 'Map of the Sky') and the Astrographic Catalogue (or Astrographic Chart) were two distinct but connected components of a massive international astronomical project, initiated in the late 19th century, to catalogue ...

project, taking the zone between -2 and +4 degrees to expose 1,260 plates between the years 1891 and 1911. At the tail end of that time, the director of the installation was

François Gonnessiat François Gonnessiat (May 22, 1856 ( Nurieux-Volognat)–October 18, 1934) was a French astronomer, observer of comets and discoverer of two minor planets. He worked at the Observatory of Lyon. In 1889 he won the Lalande Prize for astronomy from ...

. It is now known as the Centre de Recherche en Astronomie Astrophysique et Géophysique (CRAAG), where it combines astronomy with work in

astrophysics Astrophysics is a science that employs the methods and principles of physics and chemistry in the study of astronomical objects and phenomena. As one of the founders of the discipline, James Keeler, said, astrophysics "seeks to ascertain the ...

, and

geophysical Geophysics () is a subject of natural science concerned with the physical processes and properties of Earth and its surrounding space environment, and the use of quantitative methods for their analysis. Geophysicists conduct investigations acros ...

research, including the monitoring of earthquakes.

Astronomers

Astronomers who worked at the observatory include: * Alfred Schmitt *

Benjamin Jekhowsky Benjamin Jekhowsky (; born 1881 in Saint-Petersburg, Russia – died in 1975, Encausse-les-Thermes,France) was a Russian-French astronomer, born in Saint-Petersburg in a noble family of a Russian railroad official. After attending Moscow Univ ...

Frédéric Sy Frédéric Sy (1861-1917) was a French astronomer and a discoverer of minor planets. He worked at the Paris Observatory from 1879 to 1887, and as the assistant astronomer at the Algiers Observatory, North Africa, from 1887 to 1918. While workin ...

* Guy Reiss * Joanny-Philippe Lagrula * Louis Boyer *

Odette Bancilhon Odette Bancilhon (22 September 1908 – 1998) was a French astronomer. She is best known for her work during the 1930s and 1940s at the Algiers Observatory, in Algeria, North Africa, where she discovered 1333 Cevenola, a stony Eunomian asteroid f ...

References

External links

* Buildings and structures completed in the 19th century Buildings and structures in Algiers Astronomical observatories in Algeria {{geophysics-stub

Astronomers

See also

References

External links