The mission of the AAVSO is to enable anyone, anywhere to participate in scientific discovery through variable star astronomy.
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AAVSO at a Glance
Variable Star Observations in Database:
6 2 , 7 3 1 , 9 8 7 and Counting ...
Last Observation Received:
11 min 19 sec ago by HDAE - David Heinonen (SE)
SS CYG Apr 24.1505 9.399V
Apr 5