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 , 8 9 8 , 0 5 4 and Counting ...
Last Observation Received:
18 min 48 sec ago by DDJ - David Dowhos (CA)
CH CYG May 12.1885 7.772V
Feb 24