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 , 5 6 9 , 4 6 3 and Counting ...
Last Observation Received:
1 min 30 sec ago by CBEE - Benjamin Chardi (ES)
MRK 501 Apr 28.0354 13.8Vis.
Feb 24