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 6 , 4 5 8 , 7 9 6 and Counting ...
Last Observation Received:
9 min 35 sec ago by WGR - Gary Walker (US)
AD Leo Feb 7.3335 11.2458U
Nov 19