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Variable Star of the Season: P Cygni
P Cygni is a massive star in the heart of Cygnus, biding its time before its next big show. Will it have a great eruption like the one that led to its discovery in the year 1600, or will it become the ultimate variable star -- a supernova? Read more about P Cygni in the next installment of our Variable Star of the Season series. Read article

News and Announcements  
Special Notice #179 Request for observations of TT Ari in support of GALEX observations 11/16/09
Special Notice #178 Request for observations of NSV 99 (khi Peg) 11/16/09
Special Notice #177 Observing Campaign on the Secondary Eclipse of zeta Aurigae 11/12/09
Alert Notice 412 Nova Sct 2009 (V496 Sct) 11/10/09
Observation Manager New observing software written in Java by Dirk Lehmann (LDI) that can export observations into official AAVSO visual format. 11/10/09
September Solar Bulletin PDF file that includes SID and sunspot numbers for September. 11/09/09
Special Notice #176 Possible Nova in Scutum 11/09/09
Special Notice #175 Request for observations of high-mass X-ray binaries 11/08/09
Alert Notice 411 Request for observations of the blazar 3C 66A 10/31/09
Bright Star Monitor (BSM) Images and description about the new addition to AAVSONet 10/29/09
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