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AAVSO International Database

Alert Notice 581: Monitoring HD 148703 during upcoming eclipses

June 8, 2017:  Dr. Milena Ratajczak (University of Wrocław) has requested AAVSO observers' assistance in monitoring the very bright (V = 4.23) and very unusual eclipsing binary HD 148703 (HR 6143, N Sco) during its infrequent primary and secondary eclipses scheduled for 2017 June 11 and June 14, respectively.

Special Notice #100: EF Eri in Outburst

March 27, 2008

Special Notice #101: SN 2008bk in NGC 7793

 

March 28, 2008

Special Notice #102: Possible Nova in Triangulum Australe [NR TrA]

April 4, 2008

Special Notice #103: V2491 Cygni (Nova in Cygnus) [Nova Cyg 2008 No. 2]

April 11, 2008

Special Notice #104: Photometric Sequence for V2491 Cyg now Available [Nova Cyg 2008 No. 2]

April 17, 2008

Special Notice #105: Possible Nova in Sgr [V5579 Sgr]

April 19, 2008

Special Notice #106; Nova Sgr 2008 brightening [V5579 Sgr]

April 23, 2008

Special Notice #107: Update on Request to monitor SDSS J151413.72+454911.9 for HST Observations [PP Boo]

May 1, 2008

Special Notice #108: Sequence available for V5579 Sgr [Nova Sgr 2008]

May 8, 2008

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