AAVSO News and Announcements http://www.aavso.org The American Association of Variable Star Observers: Professional and Amateur collection, research, and analyses of variable star observations. en-us AAVSO News and Announcements http://www.aavso.org/images2/AAVSOLogo_rss.jpg http://www.aavso.org 81 81 Comparison Star Database Update http://www.aavso.org/news/compdb.shtml More than 28,000 stars now have V-band magnitudes!
]]> Fri, 9 May 2008 14:46:47 EDT http://www.aavso.org/news/compdb.shtml JAAVSO Preprint http://www.aavso.org/publications/ejaavso/ej78.shtml "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
]]> Fri, 9 May 2008 11:53:56 EDT http://www.aavso.org/publications/ejaavso/ej78.shtml Spring Meeting Highlights and Photo Gallery http://www.aavso.org/aavso/meetings/archivespring08.shtml Includes a written summary by Mike Simonsen and a slideshow of photos
]]> Thu, 8 May 2008 11:19:23 EDT http://www.aavso.org/aavso/meetings/archivespring08.shtml JAAVSO Preprint http://www.aavso.org/publications/ejaavso/ej77.shtml "Infrared Passbands for Precise Photometry of Variable Stars by Amateur and Professional Astronomers" by Eugene F. Milone and Andrew T. Young
]]> Thu, 8 May 2008 10:16:18 EDT http://www.aavso.org/publications/ejaavso/ej77.shtml Special Notice #108 http://www.aavso.org/publications/specialnotice/108.shtml Sequence available for V5579 Sgr
]]> Thu, 8 May 2008 8:15:00 EDT http://www.aavso.org/publications/specialnotice/108.shtml Alert Notice 378 http://www.aavso.org/publications/alerts/alert378.shtml Request to monitor RE J1255+266 for HST Observations
]]> Mon, 5 May 2008 14:33:14 EDT http://www.aavso.org/publications/alerts/alert378.shtml Alert Notice 377 http://www.aavso.org/publications/alerts/alert377.shtml REQUEST EXTENDED TO OBSERVE HMXBS IN SUPPORT OF RADIAL VELOCITY OBSERVATIONS
]]> Fri, 2 May 2008 15:41:21 EDT http://www.aavso.org/publications/alerts/alert377.shtml Optical observations of GRB 080430 http://gcn.gsfc.nasa.gov/gcn3/7657.gcn3 GCN Circular
]]> Thu, 1 May 2008 12:42:58 EDT http://gcn.gsfc.nasa.gov/gcn3/7657.gcn3 Special Notice #107 http://www.aavso.org/publications/specialnotice/107.shtml Update on Request to monitor SDSS J151413.72+454911.9 for HST Observations
]]> Thu, 1 May 2008 10:38:54 EDT http://www.aavso.org/publications/specialnotice/107.shtml Planning Tool for Stars in Need http://www.aavso.org/publications/bulletin/ of more observations, May edition is now available
]]> Thu, 1 May 2008 10:07:49 EDT http://www.aavso.org/publications/bulletin/ Three Variable Star Papers in Astro-ph http://mira.aavso.org/pipermail/aavso-discussion/2008-April/014224.html
]]> Mon, 28 Apr 2008 9:51:20 EDT http://mira.aavso.org/pipermail/aavso-discussion/2008-April/014224.html March Solar Bulletin http://www.aavso.org/observing/programs/solar/mar08.shtml Includes SID and sunspot information
]]> Fri, 25 Apr 2008 15:06:41 EDT http://www.aavso.org/observing/programs/solar/mar08.shtml Alert Notice 376 http://www.aavso.org/publications/alerts/alert376.shtml Request to monitor SDSS J151413.72+454911.9 for HST Observations
]]> Wed, 23 Apr 2008 14:07:29 EDT http://www.aavso.org/publications/alerts/alert376.shtml Special Notice #106 http://www.aavso.org/publications/specialnotice/106.shtml Nova Sgr 2008 brightening
]]> Wed, 23 Apr 2008 8:03:07 EDT http://www.aavso.org/publications/specialnotice/106.shtml Alert Notice 375 http://www.aavso.org/publications/alerts/alert375.shtml V576 Carinae
]]> Mon, 21 Apr 2008 14:23:09 EDT http://www.aavso.org/publications/alerts/alert375.shtml Observing Opportunity with PROMPT http://www.aavso.org/news/prompt.shtml through the Robert Martin Ayers Science Fund
]]> Mon, 21 Apr 2008 10:57:04 EDT http://www.aavso.org/news/prompt.shtml Special Notice #105 http://www.aavso.org/publications/specialnotice/105.shtml Possible Nova in Sgr
]]> Sat, 19 Apr 2008 8:23:55 EDT http://www.aavso.org/publications/specialnotice/105.shtml Special Notice #104 http://www.aavso.org/publications/specialnotice/104.shtml Photometric Sequence for V2491 Cyg now Available
]]> Thu, 17 Apr 2008 11:24:21 EDT http://www.aavso.org/publications/specialnotice/104.shtml Special Notice #103 http://www.aavso.org/publications/specialnotice/103.shtml V2491 CYGNI (NOVA IN CYGNUS)
]]> Fri, 11 Apr 2008 17:47:38 EDT http://www.aavso.org/publications/specialnotice/103.shtml Photometry of GRB080330 http://gcn.gsfc.nasa.gov/gcn3/7580.gcn3 by A. Block
]]> Wed, 9 Apr 2008 15:15:41 EDT http://gcn.gsfc.nasa.gov/gcn3/7580.gcn3 Special Notice #102 http://www.aavso.org/publications/specialnotice/102.shtml Possible Nova in Triangulum Australe
]]> Fri, 4 Apr 2008 19:25:18 EDT http://www.aavso.org/publications/specialnotice/102.shtml Alert Notice 374 http://www.aavso.org/publications/alerts/alert374.shtml NOVA CYGNI 2008 = V2468 CYG
]]> Mon, 31 Mar 2008 16:30:49 EDT http://www.aavso.org/publications/alerts/alert374.shtml Planning Tool for Stars in Need http://www.aavso.org/publications/bulletin/ of More Observations, April edition is now available
]]> Mon, 31 Mar 2008 13:54:41 EDT http://www.aavso.org/publications/bulletin/ Alert Notice 373 http://www.aavso.org/publications/alerts/alert373.shtml Support for XMM-Newton Observations of SS Aurigae
]]> Fri, 28 Mar 2008 13:18:50 EDT http://www.aavso.org/publications/alerts/alert373.shtml Special Notice #101 http://www.aavso.org/publications/specialnotice/101.shtml Supernova 2008bk in NGC 7793
]]> Fri, 28 Mar 2008 10:18:27 EDT http://www.aavso.org/publications/specialnotice/101.shtml Special Notice #100 http://www.aavso.org/publications/specialnotice/100.shtml EF Eri in Outburst
]]> Thu, 27 Mar 2008 9:29:37 EDT http://www.aavso.org/publications/specialnotice/100.shtml