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Support the AAVSO


Registration open for August's free Observing Section Webinars

Now available:

the first in a series of instructional videos for those interested in helping with AAVSO's VStar development

AAVSO Ambassadors providing astronomy and educational outreach: check out the latest video!

Save the dates for our 109th Annual Meeting and Workshops!

Pick a Star

Type star name then click action.
Recent Activity

Variable Star Observations in Database:

41,786,392 and Counting ...
Last Observation Received:

47 sec ago by MMH - Marek Muciek (PL)

T Cep   Aug 4.9042   7.6Vis.   

Plot T Cep light curve


We gratefully acknowledge support from the Friends of the AAVSO:





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