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The following is a list of the AAVSO funds you can contribute to. If you do not wish to specify how you would like your donation to be used, AAVSO will use it however it is determined to have the greatest impact.

General Fund
This fund is unrestricted, and supports the AAVSO’s general operations.

Director's Discretionary Fund
Contributions to this fund can be used at the director's discretion to benefit AAVSO. 

AAVSO Annual Campaign 2019 – Cultivating the Future


Reach for the stars by participating in the AAVSO 2019 Annual Fundraising Campaign! Your generous contribution will support the AAVSO today and nurture the next generation of star gazers. 

AAVSO Annual Campaign 2018 -- fill our sky with stars

You and the AAVSO: Together We Explore the Variable Sky

The AAVSO CAP Program is back this year! Click here for the details and become a Citizen Astronomer Promoter

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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.

We extend our heart-felt appreciation to all of the benefactors of the AAVSO. THANK YOU!

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