AAVSO: American Association of Variable Star Observers

Make a Contribution to the AAVSO

Donate to the AAVSO online using your Visa or Mastercard. For other ways to send us your donation, visit how to support the AAVSO.

The American Association of Variable Star Observers is a registered 501(c)(3) non-profit scientific and educational organization. All donations are tax deductible to the extent the law will allow.

You can also support the AAVSO by becoming a member or renewing your current membership.

If you have an account with the AAVSO, please log in before making your contribution.

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