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Donate to the AAVSO


You do so much when you make a gift to the AAVSO. you fuel an ongoing quest to explore our universe. You help to keep our tools and technology up-to-date. You support research efforts dedicated to understanding our universe and the big questions that remain unanswered. You curate a valuable archive of observations that will help future generations explore this dynamic phenomena. You foster future astronomers through educational programs that give them the skills they need and train them on the latest techniques for exploring variable stars.  

And you support the organization you love. Your generosity makes the AAVSO’s mission possible and contributes to an international collaboration between amateur and professional astronomers, working together to understand the most exciting phenomena in the universe. 

Thank you for being a part of everything we do!


You can also donate via PayPal by clicking the button below, or if you prefer to donate by check, please mail it to: AAVSO 49 Bay State Road Cambridge MA 02138 United States

For more information, contact the AAVSO at or 617-354-0484.

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