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tax exemption

Support the AAVSO

The American Association of Variable Star Observers is a registered 501(c)(3) non-profit scientific and educational organization. As such, we depend on the financial support of our members, benefactors, friends, foundations and corporate partners to continue our scientific and educational programs.

A list of benefactors is available (starts in 2007). Thank you for supporting the AAVSO!

AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484