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 8 , 4 7 1 , 2 8 4 and Counting ...
Last Observation Received:
2 min 4 sec ago by SJMJ - John Sikora (US)
AD LEO Apr 13.33 9.305V
Feb 24