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Variable Star of the Season: W UMa
W UMa is the focus of this edition of the Variable Star of the Season. This bright, short period eclipsing binary is the prototype of its class. Read on to find out more information about this interesting variable star. Read article
Image credit: Dirk Terrell

News and Announcements  
Special Notice #194 Request for monitoring of the blazar 3C 66A 02/09/10
Special Notice #193 Request for photometry of the recurrent nova U Scorpii 02/08/10
Annual Report of the AAVSO 02/04/10
Chat Transcript with Dr. Dirk Terrell Join us for a chat tonight at 9pm EST (02UT) with Dr. Dirk Terrell abut eclipsing binary stars, space art and more. 02/04/10
AAVSO Spring Mtg Registration is Now Open Join us in Mendoza, Argentina April 15-18, 2010 02/04/10
Special Notice #192 Update on the epsilon Aurigae eclipse 02/03/10
AAVSO Observer Paul Temple Honored with Asteroid Name Asteroid 2000 EC117 is now named Asteroid 50687 Paultemple 02/03/10
December Solar Bulletin Includes SID and sunspot numbers for December 02/01/10
Alert Notice 416 Nova in Sagittarius (V5585 Sgr = N Sgr 2010) 01/31/10
AAVSO observers featured on Sky and Telescope.com Barbara Harris and Shawn Dvorak are featured as "The Amateurs Who Discovered the U Scorpii Eruption". 01/29/10
Long Anticipated Eruption of U Scorpii Has Begun Article by Mike Simonsen on Universe Today 01/28/10
Alert Notice 415 Recurrent Nova U Scorpii in outburst 01/28/10
MyNewsFlash User Survey Please take this four-question survey to help us design a new version of the MyNewsFlash system. 01/27/10
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