Skip to main content

AAVSO International Database

Title Posted Bysort icon Updated/commented date Type
Alert Notice 376: Request to monitor SDSS J151413.72+454911.9 for HST Observations weo 1 year 26 weeks ago Page
Alert Notice 215: Dwarf nova 0043+56b GX Cas in outburst AND 1544+28a R Coronae Borealis continues to fade AND Brightening of 1848-19 FN Sagittarii AND Reminders on 0409-71 VW Hydri, 0749+22 U Geminorum, and 2138+43 SS Cygni weo 1 year 15 weeks ago Page
Alert Notice 474: Multiwavelength campaign on delta Ori (Mintaka) weo 2 years 20 weeks ago Page
Alert Notice 315: Nova Nor 2005 weo 1 year 25 weeks ago Page
Alert Notice 423: Request for observations of V455 AND in support of HST observations weo 1 year 3 hours ago Page
Special Notice #210: Request for observations of high-mass X-ray binaries weo 28 weeks 1 day ago Page
Special Notice #273: Possible Nova in Ophiuchus = PNV J17260708-2551454 weo 3 years 5 weeks ago Page
Alert Notice 257: Request to monitor 2138+43 SS Cygni for multiwavelength observations weo 1 year 15 weeks ago Page
Alert Notice 364: Nova Vulpeculae 2007 No. 2 = V459 Vul weo 1 year 25 weeks ago Page
Alert Notice 202: Nova Centauri 1995 AND SN 1995G in NGC 1643 AND SN 1995F in NGC 2726 AND Nova Aquilae 1995 AND Nova Circini 1995 AND Astro-2 is launched - reminder to monitor CVs for Astro-2, EUVE, Voyager, and ASCA [V888 Cen] [V1425 Aql] [BY Cir] weo 1 year 15 weeks ago Page
Special Notice #326: Next HST/COS target is SDSS J100515.38+191107.9 weo 2 years 14 weeks ago Page
Alert Notice 303: 1813-28B Nova Sagittarii 2004 - possible nova in Sagittarius weo 1 year 24 weeks ago Page
AAVSO Special Notice #231 weo 4 years 12 weeks ago Page
Special Notice #371: BB Ari observations particularly crucial now weo 1 year 30 weeks ago Page
Special Notice #2: Possible New Nova/Dwarf Nova in Cet weo 28 weeks 2 hours ago Page
Alert Notice 461: Nova Scorpii 2012 = MOA 2012 BLG-320 weo 2 years 46 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 1 year 15 weeks ago Page
Alert Notice 348: Observe HMXBs; monitor AR UMa; update on Alert Notice 345 weo 1 year 25 weeks ago Page
Alert Notice 191: Rare outburst of UZ Boo weo 1 year 15 weeks ago Page
Alert Notice #480: MR UMa superoutburst coverage requested for HST observations weo 2 years 8 weeks ago Page
Alert Notice 148: Nova Scuti 1991 AND Request to monitor dwarf novae for IUE observing runs weo 1 year 24 weeks ago Page
Special Notice #244: Continued close monitoring of T Pyx requested weo 28 weeks 1 day ago Page
Alert Notice 395: Nova in Sagittarius weo 1 year 26 weeks ago Page
Special Notice #18: Rare Outburst of 0829+53 SW UMa weo 28 weeks 13 min ago Page
Special Notice #295: Bright outburst of the BL Lac object PKS 0716+71 weo 2 years 32 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 1 year 15 weeks ago Page
Observing Campaign to Monitor V426 Oph for XMM-Newton weo 1 year 25 weeks ago Page
Special Notice #382: SDSS J100658.40+233724.4 observations crucial now weo 1 year 7 weeks ago Page
Alert Notice 483: AH Her Observing Campaign weo 1 year 50 weeks ago Page
Alert Notice 501: Monitoring requested for HST/COS observations of SBS 1108+574 weo 1 year 5 days ago Page
Special Notice #263: SUPERNOVA 2011iy IN NGC 4984 = PSN J13085839-1531041 weo 3 years 20 weeks ago Page
Alert Notice 268: 1216+05 Supernova 1999gn in NGC 4303 = M61 weo 1 year 15 weeks ago Page
Special Notice #399: GK Per in outburst weo 7 weeks 5 days ago Page
Alert Notice 377: Request extended to observe HMXBs in support of radial velocity observations weo 1 year 26 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 1 year 15 weeks ago Page
Special Notice #313: HST COS observing CW Mon tonight and V405 Peg is next target weo 2 years 22 weeks ago Page
N Aql 05 - possible nova in Aquila weo 1 year 25 weeks ago Page
Special Notice #366: Symbiotic variable AS 270 brightening weo 1 year 40 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 1 year 15 weeks ago Page
Observing Campaign: Request to monitor SDSS133948 for HST observations weo 1 year 25 weeks ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484