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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 #202 Classical nova event in V407 Cyg 03/14/10
Alert Notice 418 Request for monitoring of V842 Cen in support of HST Observations 03/12/10
Special Notice #201 Outburst of the symbiotic star V407 Cyg 03/12/10
Special Notice #200 Outburst of the infrequently outbursting dwarf nova KX Aquilae 03/09/10
Special Notice #199 Request for monitoring of GW Lib in support of HST Observations 03/08/10
Special Notice #198 Possible Outburst of GK Per 03/08/10
JAAVSO Preprint "Recent Maxima of 64 Short Period Pulsating Stars" by G. Samolyk 03/03/10
Alert Notice 417 Request for observations of GW Lib and V842 Cen in support of HST observations 03/03/10
JAAVSO Preprint "The 2009 July Superoutburst of IL Vulpeculae" by D. Boyd, T. Campbell, and G. Roberts 03/02/10
Special Notice #197 Request for time-series photometry of U Sco 03/02/10
AAVSO Bulletin 73 for 2010 Predicted Dates of Maxima and Minima of Long Period Variables for 2010 03/01/10
January Solar Bulletin Includes SID and sunspot numbers 03/01/10
JAAVSO Preprint "Differential Ensemble Photometry by Linear Regression" by Kevin B. Paxson 02/26/10
JAAVSO Preprint "Secular Variation of the Mode Amplitude-Ratio of the Double-Mode RR Lyrae Star NSVS 5222076" by David A. Hurdis and Tom Krajci 02/26/10
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