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Attention AAVSO members:

your comments on our drafted bylaws are welcome

Deadline for abstract submission is Sept. 30th!

Registrations for our 2020 Annual Meeting and Workshops are OPEN!

Please note: registration closes October 15, 2020

New free webinar, Celebrating our Observers, on October 3rd!

Pick a Star

Type star name then click action.
Recent Activity

Variable Star Observations in Database:

42,567,078 and Counting ...
Last Observation Received:

5 min 41 sec ago by RMAF - Mauro Rana (US)

T UMI   Oct 1.0270   11.4Vis.   

Plot T UMI light curve


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AAVSO is an equal opportunity and discrimination/harassment-free environment. Please read this, and all our policies here.

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