American Association Of Variable Star Observers (AAVSO)
20546American Association Of Variable Star Observers (AAVSO)http://www.aavso.org/Professional and Amateur collection, research, and analysis of variable star observations.Astronomy > AssociationsMar 16, 2008
Established 1899, AAS is the major professional organization in North America for astronomers, other scientists and individuals interested in astronomy.
An international society of amateur and professional astronomers specialising in the observation of double stars and 'deep sky' objects, founded in 1967.
Founded in 1919, has a mission to promote and safeguard the science of astronomy through international cooperation. The organization is also the internationally recognized authority for assigning designations to celestial bodies and surface features on such bodies.
founded in 1892, is the oldest society of its kind in Australia. Its objectives are to promote the Science of Astronomy and all its branches by holding regular meetings and viewing nights, circulating current astronomical information, and encouraging popular interest in Astronomy.
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