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NAME

American Association of Variable Star Observers (AAVSO)

ADDRESS

49 Bay State Road
Cambridge
Massachusetts 02138 USA

CONTACT

Kathy Spirer

PHONE

(617) 354-0484

EMAIL

aavso@aavso.org

URL

http://www.aavso.org/

NUMBER OF MEMBERS

~5,000

CLUB DESCRIPTION

AAVSO is an international scientific and educational nonprofit organization of amateur and professional astronomers who are interested in stars that change in brightness—variable stars. Its mission is to enable anyone, anywhere, to participate in scientific discovery through variable star astronomy.