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 8 2 , 9 3 0 and Counting ...
Last Observation Received:
6 min 27 sec ago by RTH - Thomas Rutherford (US)
TW Vul May 5.2998 13.860V