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 3 , 0 4 1 , 6 6 9 and Counting ...
Last Observation Received:
27 min 19 sec ago by RTH - Thomas Rutherford (US)
ASASSN-19ct May 28.1042 17.546V