Skip to main content

AAVSO International Database

Title Posted Bysort icon Updated/commented date Type
Special Notice #343: GK Per outburst appears to be underway weo 1 year 12 weeks ago Page
Alert Notice 325: 1955+22C Var Vul 05 - New variable near M27 weo 1 year 2 weeks ago Page
Alert Notice 395: Nova in Sagittarius weo 1 year 4 weeks ago Page
Alert Notice 280: 1748-26 Nova Sagittarii 2001 [V4643 Sgr] weo 45 weeks 2 days ago Page
Special Notice #384: SBS 1108+574 HST/COS obs next week weo 29 weeks 5 hours ago Page
Alert Notice 491: V556 Serpentis = Nova Ser 2013 = PNV J18090346-1112345 weo 45 weeks 2 days ago Page
AAVSO Special Notice #218 weo 4 years 9 weeks ago Page
Alert Notice 370: GJ 436 Extrasolar Planet Transit Campaign weo 1 year 3 weeks ago Page
Alert Notice 483: AH Her Observing Campaign weo 1 year 27 weeks ago Page
Special Notice #277: Possible Nova in Sagittarius (PNV J17452791-2305213) weo 2 years 31 weeks ago Page
AAVSO Alert Notice 311: 0505-68 YY Dor - Possible recurrent nova AND 2247-14 IL Aqr - Exoplanet transit campaign weo 1 year 2 weeks ago Page
Alert Notice 246: 1151+55 Supernova 1998aq in NGC 3982 weo 45 weeks 2 days ago Page
Special Notice #211: Outburst of EX Hya weo 5 weeks 4 days ago Page
Special Notice #313: HST COS observing CW Mon tonight and V405 Peg is next target weo 1 year 51 weeks ago Page
Alert Notice 186: Bright outburst of UV Per AND Nova Sgr 1994 Number 2 [V4362 Sgr] AND Nova Cas 1993 [V705 Cas] AND Superoutburst of VW Hyi AND Reminder on SS Cyg weo 45 weeks 2 days ago Page
AAVSO Special Notice #237 weo 3 years 35 weeks ago Page
Observing Campaign: Request to monitor PQ Andromedae for HST observations weo 1 year 3 weeks ago Page
Special Notice #366: Symbiotic variable AS 270 brightening weo 1 year 18 weeks ago Page
Special Notice #289: Bright possible nova in Sagittarius = PNV J18202726-2744263 weo 2 years 19 weeks ago Page
Alert Notice 140: Nova Centauri 1991 AND Nova Herculis 1991 weo 1 year 2 weeks ago Page
Alert Notice 230: 1343+61 Supernova 1996bk in NGC 5308 AND Fading of 0059+53 Nova Cas 1995 AND 2138+43 SS Cygni in outburst and under observation by RXTE and EUVE AND 0207-63 WX Hydri and 2138+43 SS Cygni observed with Hubble Space Telescope [V723 Cas] weo 45 weeks 2 days ago Page
Special Notice #3: Possible New Nova/Dwarf Nova in Hya weo 5 weeks 3 days ago Page
Special Notice #326: Next HST/COS target is SDSS J100515.38+191107.9 weo 1 year 44 weeks ago Page
Alert Notice 446: Supernova 2011‭fe ‬in M101‭ (‬NGC 5457‭) = ‬PSN J14030581+5416254 weo 29 weeks 4 days ago Page
Alert Notice 340: Request to monitor 1744-06 RS Ophiuchi for multiwavelength campaign AND Correction weo 1 year 3 weeks ago Page
Special Notice #371: BB Ari observations particularly crucial now weo 1 year 8 weeks ago Page
Special Notice #299: Observations needed TODAY of SDSS J164248.52+134751.4 weo 2 years 7 weeks ago Page
Alert Notice 263: 0436-03 Supernova 1999em in NGC 1637 weo 45 weeks 2 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 45 weeks 2 days ago Page
Alert Notice 213: 0059+53 Nova Cassiopeiae 1995 [V723 Cas] weo 45 weeks 2 days ago Page
Special Notice #19: Confirmation Needed of Possible VY Aqr Outburst weo 5 weeks 3 days ago Page
Alert Notice #480: MR UMa superoutburst coverage requested for HST observations weo 1 year 37 weeks ago Page
Alert Notice 452: Simultaneous observations of SU Aur and AB Aur requested for XMM-Newton weo 2 years 42 weeks ago Page
Alert Notice 259: 1040-51 Nova Velorum 1999 [V382 Vel] weo 45 weeks 2 days ago Page
Special Notice #383: Transient in Scorpius = TCP J17154683-3128303 weo 35 weeks 1 day ago Page
Alert Notice 198: 1436-63 Nova Circini 1995 [BY Cir] weo 45 weeks 2 days ago Page
AAVSO Validation Project weo 2 years 44 weeks ago Page
Alert Notice 373: Support for XMM-Newton Observations of SS Aurigae weo 1 year 3 weeks ago Page
Special Notice #351: 1RXS J105010.3-140431 obs crucial now and upcoming targets weo 1 year 29 weeks ago Page
Special Notice #274: Variable Object in Centaurus = TCP J14250600-5845360 weo 2 years 33 weeks ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484