As we update the main home page older entries in the News and Announcements section will be placed here as an ongoing archive.

March

• 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
• 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
• AAVSONet - Feature news article
• JAAVSO Preprint "Two New Eclipsing Binary Systems: GSC1393-1461 and GSC2449-0654, and One New Flare Star: GSC5604-0255" by P.V. Sada 02/26/10
• JAAVSO Preprint "Documenting Local Night Sky Brightness Using Sky Quality Meters: An Interdisciplinary College Capstone Project and a First Step Toward Reducing Light Pollution" by J. Birriel, J. Wheatley, C. McMichael 02/26/10
• Special Notice #196 Possible Nova in Scorpius - N Sco 2010 02/23/10
• Special Notice #195 Nova Oph 2010 No. 2 02/20/10
• JAAVSO Preprint "Photometry of V578 Monocerotis" by Arnold M. Heiser 02/19/10
• JAAVSO Preprint "RR Lyrae and Type II Cepheid Variables Adhere to a Common Distance Relation" by Daniel J. Majaess 02/19/10
• JAAVSO Preprint "A Unified Roche-Model Light Curve Solution for the W UMa Binary AC Bootis" by Kevin B. Alton 02/19/10
• JAAVSO Preprint "Photometry of the Dwarf Nova SDSS J094002.56+274942.0 in Outburst" by Tom Krajci and Patrick Wils 02/12/10
• 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
• Fall Mtg Highlights 1/29/09
• Special Notice #191 U Sco is possibly in outburst 01/28/10
• 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
• AAVSO on Astronomy.FM Mike Simonsen will talk about the AAVSO and more. Show airs live this Sat. 30th at 2am UT and then will be rebroadcast 01/27/10
• Friedrich Wilhelm August Argelander The father of variable star astronomy is the subject of this week's 365 Days of Astronomy podcast 01/25/10
• Special Notice #190 Probable Nova in Sagittarius 01/24/10
• Special Notice #189 Request for observations of KT Eri / Nova Eri 2009 01/20/10
• Variable Star of the Season: W UMa 01/19/10
• Manual for Visual Observing of Variable Stars Version 2.0 includes updates and revisions. It is now available in pdf format with translations coming soon. 01/19/10
• Special Notice #188 Possible Nova in Oph; update 01/17/10
• Special Notice #187 Possible Nova in Oph 01/17/10
• Robert D. Stephens: 2009 AAS Chambliss Award Winner 01/12/10
• Janet A. Mattei Research Fellowship Program We are only $4,840 away from our initial fund raising target. Thank you for your support! 01/12/10
• November Solar Bulletin Includes an important notice to all solar observers 01/12/10
• Astronomy Picture of the Day is Epsilon Aurigae, the focus of our Citizen Sky project, was the APOD for January 8. 01/08/10
• AAVSO Short Period Pulsator Section Includes Cepheids, RR Lyrae stars, and delta Scuti stars 01/07/10
• 2010 RR Lyrae Ephemeris 01/07/10
• 2010 Eclipsing Binary Ephemeris 01/07/10
• Special Notice #186 Request for observations of high-mass X-ray binaries 01/04/10

AAVSO News Archives:

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