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GEOS – Groupe Europeen d’Observations Stellaires

Published online by Cambridge University Press:  12 April 2016

Michel Dumont
Michel Dumont*
Affiliation:
3 promenade Venezia, F-78000 Versailles, France

Extract

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GEOS was formed in 1973 from several European groups (French, Italian, Spanish and Belgian). All the members of GEOS have the same aims: to observe variable stars and to analyse their observations themselves.

Other objects are also observed by GEOS: artifical satellites and minor planets, in particular minor-planet occultations. Observations are treated statistically and the procedures allow accidental, and – if there are several observers of the same star – systematic, errors to be corrected, thus improving the accuracy of the results and the light-curves.

Type
Part III Observations and Results
Information
International Astronomical Union Colloquium , Volume 98: Stargazers: The Contribution of Amateurs to Astronomy , 1988 , pp. 194 - 195
Copyright
Copyright © Springer-Verlag 1988