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Support the AAVSO


Now available:

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

Registration open for August's free Observing Section Webinars

Registrations for our 2020 Annual Meeting and Workshops are OPEN!

Please note: registration closes October 15, 2020

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

Pick a Star

Type star name then click action.
Recent Activity

Variable Star Observations in Database:

41,865,425 and Counting ...
Last Observation Received:

17 min 35 sec ago by RBCA - Brian Ramey (US)

V CAS   Aug 11.3060   10.614B   

Plot V CAS light curve


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