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Registrations for our 2020 Annual Meeting and Workshops are OPEN!

Please note: registration closes October 15, 2020

Registrations open for September's free Observing Section Webinars

Attention AAVSO members:

your comments on our drafted bylaws are welcome

Deadline for abstract submission is Sept. 30th!

Tune in to AAVSO observer & ambassador Chris Colvin's astro podcast!

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Recent Activity

Variable Star Observations in Database:

42,483,021 and Counting ...
Last Observation Received:

3 min 52 sec ago by MJOD - Jose Luis Martin (ES)

SS CYG   Sep 22.8105   8.982V   

Plot SS CYG light curve


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