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AAVSO International Database

Title Posted By Updated/commented date Typesort icon
Special Notice #333: Eclipse underway in b Per and photometry needed urgently weo 1 year 38 weeks ago Page
Alert Notice 251: 1903-50 Supernova 1998dq in NGC 6754 AND Rare outburst of the TOAD-type cataclysmic variable 1626+21 V592 Herculis AND Fading of 1544+28A R Coronae Borealis AND Request for observations of 0409-71 VW Hydri and 0749+22 U Geminorum weo 41 weeks 1 day ago Page
Alert Notice 403: Request for observations of V2105 Oph in support of HST observations weo 1 year 20 hours ago Page
AAVSO Special Notice #258: Request for monitoring of SS Cygni in support of European VLBI radio observations weo 3 years 2 weeks ago Page
Alert Notice 191: Rare outburst of UZ Boo weo 41 weeks 1 day ago Page
Special Notice #306: Telluric standards for T Tau stars campaign spectroscopists weo 1 year 50 weeks ago Page
Alert Notice 339: Far Ultraviolet Spectroscopic Explorer Cataclysmic Variable Survey AND Preliminary NGC 6811 Deep and Wide Field Campaign Announcement weo 51 weeks 15 hours ago Page
Special Notice #18: Rare Outburst of 0829+53 SW UMa weo 1 week 2 days ago Page
Alert Notice 293: 1731-16 Nova Ophiuchi 2002 AND 1424+00 Supernova 2002ao in UGC 9299 (Virgo) AND 0324+43 GK Persei - reminder to monitor for observing campaign weo 41 weeks 1 day ago Page
Special Notice #346: RZ Leo observations critical now for HST/COS and IU Leo next target weo 1 year 29 weeks ago Page
Alert Notice 235: Rare outburst of 1950+32A EY Cygni AND Outburst of 0058+40 RX Andromedae AND Short outburst of 0846+58 BZ Ursae Majoris weo 41 weeks 1 day ago Page
Alert Notice 386: Low state of VY Scl weo 51 weeks 6 days ago Page
Special Notice #269: SUPERNOVA 2012aw IN M95 (NGC 3351) = PSN J10435372+1140177 weo 2 years 31 weeks ago Page
Special Notice #382: SDSS J100658.40+233724.4 observations crucial now weo 32 weeks 3 days ago Page
Alert Notice 501: Monitoring requested for HST/COS observations of SBS 1108+574 weo 26 weeks 2 days ago Page
Alert Notice 324: 1614-15 V818 Sco - Request for observations to support Spitzer observations weo 50 weeks 6 days ago Page
Alert Notice 268: 1216+05 Supernova 1999gn in NGC 4303 = M61 weo 41 weeks 1 day ago Page
Alert Notice 485: AG Dra monitoring requested for multiwavelength campaign weo 1 year 13 weeks ago Page
Identifications of Centennial Calendar Images: November 2011 weo 3 years 45 weeks ago Page
Alert Notice 217: Brightening of 0059+53 Nova Cassiopeiae 1995 AND Request to monitor dwarf nova 0103+59 HT Cassiopeiae AND Request to monitor 2138+43 SS Cygni [V723 Cas] weo 41 weeks 1 day ago Page
Special Notice #207: Possible Nova in Scorpius - N Sco 2010 No. 2 weo 1 week 3 days ago Page
CCD Views #326: Special Edition on IL Aqr/GJ 867 Campaign weo 50 weeks 3 days ago Page
Alert Notice 475: Monitoring of the dwarf nova U Geminorum in support of HST observations weo 1 year 44 weeks ago Page
Alert Notice 254: Minor outburst of 0324+43 GK Persei AND Request to monitor 1058+45 AN Ursae Majoris AND Request to monitor 0014+21 QR Andromedae weo 41 weeks 1 day ago Page
Alert Notice 413: Nova in Eridanus (KT Eri = N Eri 2009) weo 1 year 12 weeks ago Page
AAVSO Alert Notice 438 weo 3 years 26 weeks ago Page
Alert Notice 205: Outburst of 0749+22 U Geminorum AND 1900-01 Nova Aquilae 1995 AND Request to monitor 1544+28a R Coronae Borealis AND Monitoring of 0900-31 T Pyxidis AND Monitoring of the old nova 0324+43 GK Persei [V1425 Aql] weo 41 weeks 1 day ago Page
Special Notice #292: Possible nova in Carina = PNV J09410000-5759540 weo 2 years 12 weeks ago Page
Alert Notice 358: Monitoring of Mira (omi Cet) in support of HST Observations weo 51 weeks 2 days ago Page
Special Notice #192: Update on the epsilon Aurigae eclipse weo 1 week 2 days ago Page
Alert Notice 138: Nova Herculis 1991 AND Special request to monitor R Coronae Borealis stars weo 50 weeks 2 days ago Page
Special Notice #331: Nova Cephei 2013 = PNV J23080471+6046521 weo 1 year 38 weeks ago Page
Alert Notice 289: 1805-30 Nova Sagittarii 2001 No. 3 [V4740 Sgr] weo 41 weeks 1 day ago Page
Alert Notice 406: Observing Campaign to Monitor Magnetically-Active Dwarfs for Long-Term Variability weo 1 year 1 day ago Page
Alert Notice 448: Request for observations of V455 AND in support of HST observations weo 3 years 7 weeks ago Page
Alert Notice 194: 2027+52 V1974 Cygni = Nova Cygni 1992 AND Outburst of 2209+12 RU Pegasi AND 1824-17 Nova Sagittarii 1994#2 [V4362 Sgr] weo 41 weeks 1 day ago Page
Special Notice #304: HST COS observations of SDSS J001153.08-064739.1 scheduled weo 1 year 52 weeks ago Page
Alert Notice 342: Outburst of 2106-09 VY Aquarii - probably not a superoutburst weo 51 weeks 1 day ago Page
Special Notice #15: V1316 Cyg Monitoring Campaign weo 1 week 2 days ago Page
Alert Notice 296: 1756-25 Nova Sagittarii 2002 No. 2 - Possible nova in Sagittarius weo 50 weeks 14 hours ago Page
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