Skip to main content

AAVSO International Database

Title Posted Bysort icon Updated/commented date Type
Special Notice #310: Continued observing of V452 Cas requested weo 1 year 36 weeks ago Page
Alert Notice 223: Request to monitor 1813+49 AM Herculis for observations with Hubble Space Telescope AND Request to monitor 1834-23 V348 Sagittarii for observations with Hubble Space Telescope weo 27 weeks 6 days ago Page
Alert Notice 261: 1903+12 Nova Aquilae 1999 [V1493 Aql] weo 27 weeks 6 days ago Page
Special Notice #364: 1RXS J213807.1+261958 (OT J213806.6+261957) HST obs next week weo 1 year 1 week ago Page
Alert Notice 445 - Request for monitoring of SS Cygni in support of European VLBI radio observations weo 2 years 49 weeks ago Page
Alert Notice 377: Request extended to observe HMXBs in support of radial velocity observations weo 38 weeks 1 day ago Page
Special Notice #297: HST COS observations of SDSS J164248.52+134751.4 scheduled weo 1 year 42 weeks ago Page
Alert Notice 278: 1017-49 V383 Velorum (NSV 4834) = new dwarf nova weo 27 weeks 6 days ago Page
N Aql 05 - possible nova in Aquila weo 37 weeks 4 days ago Page
Alert Notice 478: Transformed photometry of young stars in Cha requested weo 1 year 27 weeks ago Page
Alert Notice 207: Fading of 2055+43 V1057 Cygni AND Ending of the superoutburst of 1227+14 AL Comae Berenices AND Fading of 1904+43 MV Lyrae AND Erratum (GK Per) weo 27 weeks 6 days ago Page
Alert Notice 490: Optical monitoring of T Ori requested weo 27 weeks 6 days ago Page
Special Notice #264: SUPERNOVA 2012A IN NGC 3239 = PSN J10250739+1709146 weo 2 years 27 weeks ago Page
Alert Notice 364: Nova Vulpeculae 2007 No. 2 = V459 Vul weo 38 weeks 8 hours ago Page
Alert Notice 287: 2059+48 Nova Cygni 2001 No. 2 AND 2003+17 WZ Sagittae superoutburst continues - recovering from dramatic dip [V2275 Cyg] weo 27 weeks 6 days ago Page
Alert Notice 303: 1813-28B Nova Sagittarii 2004 - possible nova in Sagittarius weo 37 weeks 8 hours ago Page
Special Notice #338: HM Leo HST/COS observations tomorrow; V406 Vir is next target weo 1 year 22 weeks ago Page
AAVSO Validation Project weo 2 years 26 weeks ago Page
Special Notice #379: Supernova 2013hn in IC 4329 = PSN J13485917-3017265 weo 31 weeks 5 days ago Page
Alert Notice 398: Eclipse of epsilon Aurigae weo 38 weeks 5 days ago Page
Alert Notice 457: Monitoring Nova Oph 2012 for multiwavelength observations weo 2 years 15 weeks ago Page
Alert Notice 348: Observe HMXBs; monitor AR UMa; update on Alert Notice 345 weo 37 weeks 6 days ago Page
Alert Notice 501: Monitoring requested for HST/COS observations of SBS 1108+574 weo 13 weeks 1 hour ago Page
Alert Notice 240: 1747-30 Nova Scorpii 1997 [V1141 Sco] weo 27 weeks 6 days ago Page
Alert Notice 148: Nova Scuti 1991 AND Request to monitor dwarf novae for IUE observing runs weo 37 weeks 2 hours ago Page
Special Notice #351: 1RXS J105010.3-140431 obs crucial now and upcoming targets weo 1 year 11 weeks ago Page
Alert Notice 431: Request to monitor SDSS074545 for HST Observations weo 12 weeks 1 day ago Page
Alert Notice 384: Outburst of GK Persei weo 38 weeks 4 days ago Page
Alert Notice 461: Nova Scorpii 2012 = MOA 2012 BLG-320 weo 2 years 6 weeks ago Page
Alert Notice 335: Recurrent nova 1744-06 RS Ophiuchi in outburst AND W Vir monitoring window extended to mid-April weo 37 weeks 5 days ago Page
Alert Notice 226: 1817-18 Nova Sagittarii 1996 [V4361 Sgr] weo 27 weeks 6 days ago Page
Alert Notice 277: 0526-70 Nova LMC 2000 in the Large Magellanic Cloud AND 2138+43 SS Cygni multiwavelength observations rescheduled weo 27 weeks 6 days ago Page
Special Notice #361: CC Scl observations DATE REVISED weo 1 year 5 weeks ago Page
AAVSO Special Notice #242 weo 3 years 8 weeks ago Page
Observing Campaign to Monitor Tremendous Outburst Amplitude Dwarf Novae (TOADs) for Spitzer Space Telescope Observations weo 38 weeks 1 day ago Page
Special Notice #295: Bright outburst of the BL Lac object PKS 0716+71 weo 1 year 44 weeks ago Page
Alert Notice 274: 1846-01D Probable nova in Aquila = CI Aquilae?? weo 27 weeks 6 days ago Page
Alert Notice 320: 1811-30 Nova Sagittarii 2005 No. 2 weo 37 weeks 4 days ago Page
Special Notice #321: Observations critical tonight for SDSS J093249.57+472523.0 weo 1 year 28 weeks ago Page
Alert Notice 210: 1147+49 BC Ursae Majoris in outburst AND Reminders on 0409-71 VW Hydri and 2138+43 SS Cygni AND Current activity on some cataclysmic variables weo 27 weeks 6 days ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484