Registration for the 114th Annual Meeting of the AAVSO is now open!
The meeting will be held at the Oregon Museum of Science and Industry (OMSI) in Portland, Oregon on November 1–2, 2025 . We encourage you to register early and book your hotel at the special group rate, to ensure your participation.
See the Annual Meeting webpage for more details.
If you’ve been wanting to present to an audience of fellow astronomy enthusiasts, AAVSO’s 114th Annual Meeting is the perfect opportunity!
Topics can include your variable star research, your experiences in or studies on astronomy education or diversity in astronomy, or variable star history.
If you would like to give an oral presentation—whether in-person or online—or present an online research poster at the Meeting, please submit an abstract proposal by September 12.
See the Abstract page for further information.
Reminder: The Annual Meeting abstract submission deadline is Friday, September 12th.
Check out the Abstract page for submission guidance, topic choice, and a link to the applicatiom form.
The draft agenda for the Annual Meeting is now live! With just over a month to go, now’s an opportune time to register and book your hotel if attending in person.
Reminder: Remote registration for the Annual Meeting closes tonight (midnight EDT). Show your support and sign up now.
What do Ruth’s Chris Steakhouse, Lowell Observatory and MLAstro have in common?
They are all contributors to the AAVSO’s Silent Auction!
Prizes include a Unistellar eVscope eQuinox Telescope, MLAstro Spectrograph SHG 700 & Guide Kit, a Sloan Digital Sky Survey plate, prints signed by Clyde Tombaugh, astronomy books, artwork, and more.
Bidding is open to all. The auction closes on Sunday at 7:30 pm PST. Lend your support to the AAVSO—and perhaps walk away with a valuable astronomical artifact.