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AAVSO Contributors Honored

AAVSO presented awards to their recipients at the 108th Annual Meeting

AAVSO Selected to Participate in Harvard Business School Association of Boston’s Community Action Partners Program


AAVSO: Optimum Science from Connecting Professionals with Citizen Volunteers

Increase Astronomical Discoveries by Storing Your Spectroscopic Observations with AVSpec

A new database created by AAVSO enables amateur to experienced observers to record data from any variable object in the sky

Pick a Star

Type star name then click action.
Recent Activity

Variable Star Observations in Database:

39,786,298 and Counting ...
Last Observation Received:

38 min 2 sec ago by DJX - Mark de Jong (CA)

T CEP   Nov 11.1857   11.577B   

Plot T CEP light curve


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