Skip to main content

AAVSO International Database

Title Posted Bysort icon Updated/commented date Type
Special Notice #268: Chandra observations scheduled for CH Cyg and monitoring urgently needed weo 2 years 19 weeks ago Page
Alert Notice 490: Optical monitoring of T Ori requested weo 31 weeks 13 hours ago Page
Observing Campaign: Request to monitor PQ Andromedae for HST observations weo 41 weeks 1 day ago Page
Alert Notice 206: Rare outburst of 1227+14 AL Comae Berenices weo 31 weeks 12 hours ago Page
Alert Notice 140: Nova Centauri 1991 AND Nova Herculis 1991 weo 40 weeks 1 day ago Page
Alert Notice 428: Monitoring requested of the peculiar cataclysmic variable FS Aurigae weo 15 weeks 2 days ago Page
Special Notice #338: HM Leo HST/COS observations tomorrow; V406 Vir is next target weo 1 year 25 weeks ago Page
Alert Notice 288: 1818-30B Nova Sagittarii 2001 No. 2 AND 0329-36B Supernova 2001du in NGC 1365 in Fornax AND 2059+48 Nova Cygni 2001 No. 2 = V2275 Cygni AND 2003+17 WZ Sagittae superoutburst update - dramatic fluctuations continue [V4739 Sgr] weo 31 weeks 11 hours ago Page
Special Notice #283: Supernova 2012cg IN NGC 4424 = PSN J12271283+0925132 weo 2 years 12 weeks ago Page
Alert Notice 398: Eclipse of epsilon Aurigae weo 41 weeks 6 days ago Page
Alert Notice 340: Request to monitor 1744-06 RS Ophiuchi for multiwavelength campaign AND Correction weo 40 weeks 6 days ago Page
Late Superhumps in WZ Sge weo 33 weeks 5 days ago Page
Alert Notice 294: 0538-71 Nova in the Large Magellanic Cloud AND 0507-15 Supernova 2002bj in NGC 1821 (Lepus) AND 0324+43 GK Persei in outburst - request to monitor weo 31 weeks 11 hours ago Page
Alert Notice 439: Correction to AAVSO Alert Notice 438 on SN 2011by weo 15 weeks 2 days ago Page
Special Notice #351: 1RXS J105010.3-140431 obs crucial now and upcoming targets weo 1 year 14 weeks ago Page
Alert Notice 239: Outburst of 2328+48 Z Andromedae AND Request to monitor 2138+43 SS Cygni AND Request to monitor 1813+49 AM Herculis weo 31 weeks 12 hours ago Page
Alert Notice 467: Nova Monocerotis 2012 = PNV J06393874+0553520 weo 2 years 3 days ago Page
Alert Notice 381: Second possible nova in Ophiuchus - Nova Oph 2008 No. 2 weo 41 weeks 5 days ago Page
Alert Notice 325: 1955+22C Var Vul 05 - New variable near M27 weo 40 weeks 5 days ago Page
Special Notice #254: T Pyx Campaign continues weo 2 years 49 weeks ago Page
Special Notice #361: CC Scl observations DATE REVISED weo 1 year 8 weeks ago Page
Alert Notice 373: Support for XMM-Newton Observations of SS Aurigae weo 41 weeks 2 days ago Page
Alert Notice 225: 0241-08 Supernova 1996an in NGC 1084 AND 0207-63 WX Hydri to be observed with Hubble Space Telescope weo 31 weeks 12 hours ago Page
Special Notice #303: VLBA and e-MERLIN observations of SS Cyg underway weo 1 year 41 weeks ago Page
Alert Notice 312: Apparent nova in Puppis - 0737-26 N Pup 04 AND Request to monitor 0749+22 U Geminorum weo 40 weeks 2 days ago Page
Special Notice #321: Observations critical tonight for SDSS J093249.57+472523.0 weo 1 year 31 weeks ago Page
Alert Notce 275: 0755+67 Supernova 2000ce in UGC 4195 in Camelopardalis weo 31 weeks 11 hours ago Page
Special Notice #266: Possible Nova in Carina (TCP J10502000-6406480) weo 2 years 24 weeks ago Page
Alert Notice 418: Request for monitoring of V842 Cen in support of HST Observations weo 1 year 2 weeks ago Page
Observing Campaign: Request to monitor SDSS 074545 for HST observations weo 41 weeks 1 day ago Page
Alert Notice 209: Outburst of 2325+43 DX Andromedae AND Outburst of 2318+17 EP Pegasi AND New variable in Crux - 1250-60 Var Cru AND Reminders to monitor 0409-71 VW Hydri and 2138+43 SS Cygni [NSV 19555] weo 31 weeks 12 hours ago Page
Alert Notice 137: Last list for monitoring of ROSAT targets weo 40 weeks 1 day ago Page
Alert Notice 426: Rescheduled request for observations of V455 AND in support of HST observations weo 15 weeks 2 days ago Page
Special Notice #336: Next three HST/COS CV campaign targets weo 1 year 27 weeks ago Page
Alert Notice 285: 1750-32 Var Sco 01 - novalike variable in Scorpius [V1178 Sco] weo 31 weeks 11 hours ago Page
Special Notice #280: HST UV spectroscopy observations of S Dor scheduled weo 2 years 14 weeks ago Page
Alert Notice 401: Monitoring of EX Hya and DQ Her weo 42 weeks 19 hours ago Page
Alert Notice 343: Rare outburst of 2320-08 EG Aquarii weo 41 weeks 13 hours ago Page
Alert Notice 494: T Tauri stars observing campaign weo 31 weeks 13 hours ago Page
Alert Notice 297: 1855-22 Nova Sagittarii 2002 No. 3 - Another nova in Sagittarius weo 39 weeks 6 days ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484