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 3 , 5 2 9 and Counting ...
Last Observation Received:
3 min 29 sec ago by NLX - Peter Nelson (AU)
ASASSN-19ct May 5.5625 17.22V