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:
7 0 , 4 7 4 , 8 9 3 and Counting ...
Last Observation Received:
13 min 10 sec ago by CTOA - Tom Calderwood (US)
alf UMi Jul 11.3203 1.988V
Jun 25