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    Variable Star of the Season: W Hya

W Hya is an interesting southern semiregular-type variable star that is a source of maser emission. To learn about this season's featured variable, read on... Read article

News and Announcements  
Comparison Star Database Update More than 28,000 stars now have V-band magnitudes! 05/09/08
JAAVSO Preprint "Period Changes in Pulsating Red Supergiant Stars: A Science and Education Project" by John R. Percy, Elena Favaro, Jou Glasheen, Bernadette Ho, Hiromitsu Sato, David G. Turner 05/09/08
Spring Meeting Highlights and Photo Gallery Includes a write-up by Mike Simonsen and a slideshow of photos 05/08/08
JAAVSO Preprint "Infrared Passbands for Precise Photometry of Variable Stars by Amateur and Professional Astronomers" by Eugene F. Milone and Andrew T. Young 05/08/08
Special Notice #108 Sequence available for V5579 Sgr 05/08/08
Alert Notice 378 Request to monitor RE J1255+266 for HST Observations 05/05/08
Alert Notice 377 REQUEST EXTENDED TO OBSERVE HMXBS IN SUPPORT OF RADIAL VELOCITY OBSERVATIONS 05/02/08
Planning Tool for Stars in Need of more observations, May edition is now available 05/01/08
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