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AAVSO Alert Notice Archive

This page contains links to past AAVSO Alert Notices, ordered by issue number with most recent issues first.  AAVSO Alert Notices are issued irregularly when researchers request critical supporting observations, or we have been notified of highly significant events.

To subscribe to the AAVSO Alert Notices: please log in to the AAVSO website and click on "My account" at the top right of the page, and then click the "Email Settings" tab. Check the box next to "Alert Notices". Be sure to save your settings!  To unsubscribe, follow this same procedure but unclick the box and save your settings.

The format below is date (yyyymmdd), Alert Notice number, Alert Notice title/subject. (Dates not given will be added at a later time.)

Jump to: 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, PEP Alert Notices, un-numbered Alert Notices

2016

2015

  • 20151103  Alert Notice 534 - Nova Sgr 2015 No. 4 = PNV J18225925-1914148
  • 20151030  Alert Notice 533 - Coverage of V5668 Sgr (Nova Sgr 2015 No. 2) requested in support
    of HST spectroscopy
  • 20151020  Alert Notice 532 - Observations requested for KIC 08462852
  • 20151014  Alert Notice 531 - Nova Ophiuchi 2015 Number 2 = TCP J17344775-2409042
  • 20151008  Alert Notice 530 - Nova Aquilae 2015 = ASASSN 15-qd = PNV J19215012+1509248
  • 20151001  Alert Notice 529 - Observing campaign on 5 variables in Cygnus
  • 20150929  Alert Notice 528 - Nova Sagittarii 2015 Number 3 = PNV J18033275-2816054
  • 20150826  Alert Notice 527 - 17 cataclysmic variables to be observed by William Herschel Telescope
  • 20150820  Alert Notice 526 - Monitoring of LS IV -14 116 in support of upcoming satellite observations
  • 20150731  Alert Notice 525 - Observing campaign on KIC 02856960
  • 20150716  Alert Notice 524 - Observing campaign on 17 cataclysmic variables
  • 20150701  Alert Notice 523 - Correction to AAVSO Alert Notice 522
  • 20150701  Alert Notice 522 - V404 Cyg HST multiwavelength observations scheduled
  • 20150623  Alert Notice 521 - Very rare outburst of the symbiotic variable AG Peg
  • 20150618  Alert Notice 520 - X-ray nova and LMXB V404 Cyg in rare outburst
  • 20150615  Alert Notice 519 - Nova Sgr 2015 No. 2 fading as dust production rises
  • 20150415  Alert Notice 518 - Observations of 2MASS J06593158-0405277 needed
  • 20150402  Alert Notice 517 - Monitoring of AM Her urgently requested in support of XMM-Newton and NuSTAR observations
  • 20150402  Alert Notice 516 - Nova Oph 2015 = PNV J17291350-1846120
  • 20150331  Alert Notice 515 - SN 2015F in NGC 2442 (PSN J07361576-6930230)
  • 20150324  Alert Notice 514 - RW Aur monitoring requested
  • 20150318  Alert Notice 513 - Request for observations of GW Lib in support of HST observations
  • 20150316  Alert Notice 512 - Nova Sagittarii 2015 No. 2 = PNV J18365700-2855420
  • 20150313  Alert Notice 511 - Monitoring requested for developing planetary systems dust production study
  • 20150305  Alert Notice 510 - Observations of the symbiotic nova ASAS J174600-2321.3
  • 20150218  Alert Notice 509 - Nova Sagittarii 2015 = PNV J18142514-2554343
  • 20150217  Alert Notice 508 - Nova Scorpii 2015 == PNV J17032620-3504140
  • 20150107  Alert Notice 507 - Observations of the eclipsing binary b Persei

2014

2013

2012

  • 20121222  Alert Notice 475 - Monitoring of the dwarf nova U Geminorum in support of HST
    observations
  • 20121214  Alert Notice 474 - Multiwavelength Campaign on delta Ori (Mintaka)
  • 20121106  Alert Notice 473 - T Tauri stars observing campaign
  • 20121019  Alert Notice 472 - Monitoring of HD 5980 requested for multiwavelength campaign
  • 20120920  Alert Notice 471 - Cataclysmic variables to be monitored for HST observations
  • 20120920  Alert Notice 470 - Symbiotic variable V4018 Sgr in outburst
  • 20120825  Alert Notice 469 - Observations of TT Ari requested in support of MOST observations
  • 20120821  Alert Notice 468 - Observing campaign on V380 Oph cancelled
  • 20120817  Alert Notice 467 - Nova Monocerotis 2012 = PNV J06393874+0553520
  • 20120813  Alert Notice 466 - Monitoring of V380 Oph requested in support of HST observations
  • 20120720  Alert Notice 465 - Nova Sagittarii 2012 No. 5 = PSN J18193700-1907400
  • 20120705  Alert Notice 464 - Observers requested for Jovian Extinction Events (JEE2012)
  • 20120703  Alert Notice 463 - Nova Sagittarii 2012 No. 3 = PNV J17522579-2126215
  • 20120625  Alert Notice 462 - Monitoring of J1407 for next extrasolar ring system transit
  • 20120612  Alert Notice 461 - Nova Scorpii 2012 = MOA 2012 BLG-320
  • 20120610  Alert Notice 460 - Possible occultation by Pluto from US East Coast
  • 20120606  Alert Notice 459 - Monitoring of RU Peg requested for Swift observations
  • 20120511  Alert Notice 458 - Multiwavelength observing campaign on AE Aqr
  • 20120410  Alert Notice 457 - Monitoring Nova Oph 2012 for multiwavelength observations
  • 20120404  Alert Notice 456 - Request to monitor V854 Cen
  • 20120316  Alert Notice 455 - V834 Car = Nova Car 2012 = TCP J10502000-6406480
  • 20120302  Alert Notice 454 - Monitoring of CH Cyg requested for Chandra and HST observations
  • 20120223  Alert Notice 453 - Monitoring of S Dor requested for multiwavelength campaign
  • 20120208  Alert Notice 452 - Simultaneous observations of SU Aur and AB Aur requested for XMM-Newton
  • 20120127  Alert Notice 451 - Monitoring of the Symbiotic Variable RT Cru Requested

2011

  • 20111025  Alert Notice 450 - Request for observations of SDSS0804+51 in support of HST observations
  • 20111025  Alert Notice 449 - Outburst of the UGWZ Candidate BW Scl
  • 20110912  Alert Notice 448 - Request for observations of V455 AND in support of HST observations
  • 20110910  Alert Notice 447 - Nova Sco 2011 No. 2 = PNV J16364440-4132340 = PNV J16364300-4132460
  • 20110826  Alert Notice 446 - SUPERNOVA 2011fe in M101 (NGC 5457) = PSN J14030581+5416254
  • 20110819  Alert Notice 445 - Request for monitoring of SS Cygni in support of European VBLI radio observations
  • 20110809  Alert Notice 444 - Nova Lupi 2011
  • 20110708  Alert Notice 443 - Long-term monitoring of four AGN in support of ground-based spectroscopy
  • 20110603  Alert Notice 442 - Nova Sco 2011= PNV J16551100-3838120
  • 20110527  Alert Notice 441 - Monitoring of Bright Giant Variables requested in support of ground-based spectroscopy and for long-term study
  • 20110517  Alert Notice 440 - PEP Observing Campaign on P Cygni
  • 20110428  Alert Notice 439 - Correction to Alert Notice 438 on SN 2011by
  • 20110428  Alert Notice 438 - Supernova 2011by in NGC 3972 = PSN J11554556+5519338
  • 20110415  Alert Notice 437 - Campaign to monitor the recurrent nova T Pyx throughout 2011 eruption
  • 20110414  Alert Notice 436 - Outburst of the recurrent nova T Pyxidis (en español)
  • 20110403  Alert Notice 435 - V5588 Sgr = Nova Sgr 2011 No. 2 = PNV J18102135-2305306
  • 20110330  Alert Notice 434 - Outburst of NSV 1436
  • 20110320  Alert Notice 433 - Request for observations of GW Lib in support of HST observations
  • 20110314  Alert Notice 432 - Supernova 2011at = PSN J09285756-1448206  in MCG -02-24-27
  • 20110225  Alert Notice 431 - Request to monitor SDSS074545 for HST Observations
  • 20110111  Alert Notice 430 - Photometry requested of Blazar-type Quasars 3C 273 and 3C 279
  • 20110108  Alert Notice 429 - Photometry requested for three "Vestoid" Near-Earth Objects

2010

  • 20101130  Alert Notice 428 - Monitoring requested of the peculiar cataclysmic variable FS Aurigae
  • 20101123  Alert Notice 427 - Observing campaign on BM Ori and the Trapezium region
  • 20101005  Alert Notice 426 - Rescheduled request for observations of V455 AND in support of HST observations
  • 20101001  Alert Notice 425 - Monitoring of HBC722 and VSXJ205126.1+440523 Requested
  • 20100914  Alert Notice 424 - Monitoring and Study of V2672 Oph
  • 20100830  Alert Notice 423 - Request for observations of V455 AND in support of HST observations
  • 20100716  Alert Notice 422 - Observing Campaign on Hubble's First Variable in M31: M31_V1
  • 20100505  Alert Notice 421 - Nova in Scorpius (V1311 Sco = N Sco 2010 No. 2)
  • 20100426  Alert Notice 420 - Nova in Sagittarius (V5586 Sgr = Nova Sgr 2010 No. 2)
  • 20100315  Alert Notice 419 - Nova eruption in V407 Cyg
  • 20100312  Alert Notice 418 - Request for monitoring of V842 Cen in support of HST observations
  • 20100303  Alert Notice 417 - Request for observations of GW Lib and V842 Cen in support of HST observations
  • 20100131  Alert Notice 416 - Nova in Sagittarius (V5585 Sgr = N Sgr 2010)
  • 20100128  Alert Notice 415 - Recurrent nova U Scorpii in outburst

2009

2008

2007

2006

  • 20061110  Alert Notice 343 - Rare outburst of 2320-08 EG Aquarii
  • 20061009  Alert Notice 342 - Outburst of 2106-09 VY Aquarii - probably not a superoutburst
  • 20060904  Alert Notice 341 - NGC 6811 Deep and Wide Field Campaign
  • 20060901  Alert Notice 340 - Request to monitor 1744-06 RS Ophiuchi for multiwavength campaign AND Correction
  • 20060706  Alert Notice 339 - Far Ultraviolet Spectroscopic Explorer Cataclysmic Variable Survey AND Preliminary NGC 6811 Deep and Wide Field Campaign Announcement
  • 20060410  Alert Notice 338 - 1709-29 V2576 Ophiuchi - Nova Ophiuchi 2006 Number 2
  • 20060406  Alert Notice 337 - 2107+44 V2362 Cygni = Nova Cygni 2006
  • 20060404  Alert Notice 336 - CCD campaign to observe 1059+23 AH Leo
  • 20060213  Alert Notice 335 - Recurrent nova 1744-06 RS Ophiuchi in outburst AND W Vir monitoring window extended to mid-April
  • 20060128  Alert Notice 334 - Possible New Nova/Dwarf Nova in Hya
  • 20060121  Alert Notice 333 - Possible New Dwarf Nova in Cet (ASAS023322)
  • 20060118  Alert Notice 332 - Request to monitor V426 Oph for XMM Newton observations
  • 20060110  Alert Notice 331 - Monitoring requested on Cepheid variable 1320-02 W Vir 20060 

2005

  • 20051130  Alert Notice 330 - Nova LMC 2005 - Nova in the Large Magellanic Cloud
  • 20051122  Alert Notice 329 - 1815+50 DV Draconis - Rare outburst
  • 20051017  Alert Notice 328 - V477 Scuti = Nova Scuti 2005 Number 2 - Nova in Scutum
  • 20051003  Alert Notice 327 - Nova Scuti 2005 - Probable Nova in Scutum  [V476 Sct]
  • 20050824  Alert Notice 326 - Request to monitor 2035-01 AE Aqr for multiwavelength campaign AND Reminder to monitor HT Cas, Z Cha, and OY Car
  • 20050823  Alert Notice 325 - 1955+22C Var Vul 05 - New variable near M27  [V498 Vul]
  • 20050817  Alert Notice 324 - 1614-15 V818 Sco - Request for observations to support Spitzer observations
  • 20050726  Alert Notice 323 - 1737-34 Nova Scorpii 2005
  • 20050714  Alert Notice 322 - Multicolor CCD campaign for AM Her to support XMM Newton observations AND BP Hyi eclipsing binary campaign
  • 20050713  Alert Notice 321 - Multicolor CCD campaign for AS 325 to support Spitzer observations
  • 20050705  Alert Notice 320 - 1811-30 Nova Sagittarii 2005 No. 2
  • 20050622  Alert Notice 319 - Request to monitor the CV SDSS161033 (1605-00) for HST observations AND TU Cas comparison stars
  • 20050610  Alert Notice 318 - New Alert Notice publication policy AND Possible nova in Aquila AND New possible CV in Norma AND Request to monitor the CV SDSS 013132 for HST observations AND V2291 Oph eclipse PEP campaign AND TU Cas visual+PEP+CCD campaign
  • 20050603  Alert Notice 317 - Request to monitor 0103+59 HT Cas, 0809-76 Z Cha, 1004-69 OY Car AND Request to monitor 2147+13 LS Peg AND Request to monitor 1743-12 V378 Ser (Nova Ser 2005)
  • 20050330  Alert Notice 316 - Nova in Sagittarius = V5115 Sgr (=N Sgr 05) AND Announcement about AAVSO Alert Notice 315
  • 20050321  Alert Notice 315 - Nova Nor 2005
  • 20050316  Alert Notice 314 - Possible nova in Pyxis - 0914-29 N Pyx 05 AND New probable CV - 0523+62 RXSJ053234 (Bernhard01) AND Follow-up on request to monitor U Gem  [DT Pyx, not a nova but UGSU] 
  • 20050211  Alert Notice 313 - 2005+39 N Cygni 2005 AND 1258-49 SN 2005af in NGC 4945 (Centaurus) AND Reminder to monitor 0749+22 U Geminorum

2004

  • 20041122  Alert Notice 312 - Apparent nova in Puppis - 0737-26 N Pup 04 AND Request to monitor 0749+22 U Geminorum  [V574 Pup]
  • 20041021  Alert Notice 311 - 0505-68 YY Dor - Possible recurrent nova AND 2247-14 IL Aqr - Exoplanet transit campaign
  • 20040805  Alert Notice 310 - Probable nova in Scorpius - 1722-31 N Sco 04#2 AND Reminder to monitor 1931-46 QS Tel to trigger Chandra observations AND Reminder to monitor 0409-71 VW Hyi in support of FUSE observations AND Outburst of 2328+48 Z And continues [V1187 Sco]
  • 20040727  Alert Notice 309 - FUSE satellite observations scheduled for 0409-71 VW Hyi AND Outburst of 2328+48 Z And
  • 20040717  Alert Notice 308 - 0409-71 VW Hyi in outburst - update on request for monitoring
  • 20040706  Alert Notice 307 - 1706-30 Nova Scorpii 2004 [V1186 Sco]
  • 20040622  Alert Notice 306 - Possible new variable in Hercules - 1835+25 Var Her 04 AND Update on request for monitoring of 0409-71 VW Hyi [V1108 Her]
  • 20040525  Alert Notice 305 - Request for monitoring of the SU UMa-type cataclysmic variable 0409-71 VW Hydri
  • 20040415  Alert Notice 304 - 1732-23 Nova Ophiuchi 2004 - possible nova in Ophiuchus [V2574 Oph]
  • 20040317  Alert Notice 303 - 1813-28B Nova Sagittarii 2004 - possible nova in Sagittarius [V5114 Sgr]

2003

  • 20030925  Alert Notice 302 - Request for monitoring of the magnetic cataclysmic variable 1931-46 QS Tel
  • 20030521  Alert Notice 301 - Observations requested for 1041-59 eta Car and 2349+56 rho Cas
  • 20030324  Alert Notice 300 - 1009+03B Supernova 2003cg in NGC 3169
  • 20030107  Alert Notice 299 - 0242-30B Supernova 2003B near NGC 1097

2002

  • 20021028  Alert Notice 298 - Nova Sagittarii 2002 No. 4 - Possible nova in Sagittarius [V4744 Sgr]
  • 20020923  Alert Notice 297 - 1855-22 Nova Sagittarii 2002 No. 3 - Another nova in Sagittarius [V4743 Sgr]
  • 20020916  Alert Notice 296 - 1756-25 Nova Sagittarii 2002 No. 2 - Possible nova in Sagittarius [V4742 Sgr]
  • 20020416  Alert Notice 295 - 1753-30B Nova Sagittarii 2002 AND 0006-12 WW Cet request to monitor for RXTE observations [V4741 Sgr]
  • 20020305  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
  • 20020128  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 [V2540 Oph]
  • 20020110  Alert Notice 292 - 0659-03 Peculiar variable in Monoceros (Var Mon 02) [V838 Mon]

2001

  • 20011003  Alert Notice 291 - 1348-63 Nova Centauri 2001 - possible nova in Centaurus  [V1039 Cen]
  • 20010920  Alert Notice 290 - Supernova 2001el in NGC 1448 (Horologium) AND Request to monitor cataclysmic variables for XMM-Newton observations
  • 20010906  Alert Notice 289 - 1805-30 Nova Sagittarii 2001 No. 3  [V4740 Sgr]
  • 20010827  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]
  • 20010821  Alert Notice 287 - 2059+48 Nova Cygni 2001 No. 2 AND 2003+17 WZ Sagittae superoutburst continues - recovering from dramatic dip  [V2275 Cyg]
  • 20010723  Alert Notice 286 - 2003+17 WZ Sagittae in outburst AND 2003+35 Nova Cygni 2001 = V2274 Cygni - Update
  • 20010621  Alert Notice 285 - 1750-32 Var Sco 01 - novalike variable in Scorpius  [V1178 Sco]
  • 20010614  Alert Notice 284 - 1836-65 Supernova 2001cn in IC 4758 (Pavo)
  • 20010521  Alert Notice 283 - Rare superoutburst of 1227+14 AL Comae Berenices AND 1902+11 Nova Aquilae 2001 - update and new chart  [V1548 Aql]
  • 20010518  Alert Notice 282 - 1902+11 Nova Aquilae 2001 (= TAV J1907+117) AND 2248-14 IL Aquarii = Gliese 876 - Note   [V1548 Aql]
  • 20010511  Alert Notice 281 - 0829+28 Supernova 2001bg in NGC 2608 (Cancer) AND Reminder - observations requested for 0803+62 SU UMa being observed with RXTE AND Possible planetary transits of 2248-14 IL Aquarii = Gliese 876
  • 20010226  Alert Notice 280 - 1748-26 Nova Sagittarii 2001  [V4643 Sgr]
  • 20010102  Alert Notice 279 - 0733-25 N? Pup 2000 - possible nova in Puppis AND Superoutbursts of 1132+02 RZ Leonis and 0203+56A UV Persei AND Reminder - Chandra and RXTE observations planned for 2138+43 SS Cygni [V445 Pup]

2000

  • 20001120  Alert Notice 278 - 1017-49 V383 Velorum (NSV 4834) = new dwarf nova
  • 20000713  Alert Notice 277 - 0526-70 Nova LMC 2000 in the Large Magellanic Cloud AND 2138+43 SS Cygni multiwavelength observations rescheduled
  • 20000518  Alert Notice 276 - 1903-57 Supernova 2000cj in NGC 6753 in Pavo AND 1846-01D Probable nova in Aquila = 1846-01 CI Aquilae
  • 20000510  Alert Notice 275 - 0755+67 Supernova 2000ce in UGC 4195 in Camelopardalis
  • 20000501  Alert Notice 274 - 1846-01D Probable nova in Aquila = CI Aquilae??
  • 20000320  Alert Notice 273 - 1828-14 Nova Scuti 2000 AND 2138+43 SS Cygni being observed with RXTE for three months
  • 20000313  Alert Notice 272 - 1301-27 Supernova 2000P in NGC 4965 in Hydra AND 1247-28 EX Hydrae - multiwavelength observing campaign scheduled
  • 20000210  Alert Notice 271 - 1749-19 N? Sgr 00 - possible nova in Sagittarius AND Request to monitor 0549-03 UX Ori, 0532-06B BF Ori, and 0533+26 RR Tau AND 1058+45 AN Ursae Majoris to be observed with EUVE satellite [V4642 Sgr]
  • 20000128  Alert Notice 270 - 2036+65 Supernova 2000E in NGC 6951 in Cepheus
  • 20000114  Alert Notice 269 - 0735-40 CGCS 1825 - new red variable in Puppis [V671 Pup]

1999

  • 19991220  Alert Notice 268 - 1216+05 Supernova 1999gn in NGC 4303 = M61
  • 19991210  Alert Notice 267 - 1012+41 Supernova 1999gi in NGC 3184
  • 19991206  Alert Notice 266 - 0939-20 Supernova 1999gh in NGC 2986 AND 1058+45 AN Ursae Majoris to be observed with EUVE satellite
  • 19991202  Alert Notice 265 - 1918+04 Nova Aquilae 1999 Number 2 = V1494 Aql
  • 19991202  Alert Notice 264 - 1918+04 Nova Aquilae 1999 Number 2  [V1494 Aql]
  • 19991101  Alert Notice 263 - 0436-03 Supernova 1999em in NGC 1637
  • 19990825  Alert Notice 262 - 1415-68 Nova Circini 1999 AND Fading of 1544+28A R Coronae Borealis AND Update on two recent novae (V1493 Aql, V382 Vel) and AM Herculis [DD Cir]
  • 19990715  Alert Notice 261 - 1903+12 Nova Aquilae 1999  [V1493 Aql]
  • 19990630  Alert Notice 260 - 0014-06 Supernova 1999cw in MCG -01-02-001 (PGC 1288)
  • 19990525  Alert Notice 259 - 1040-51 Nova Velorum 1999  [V382 Vel]
  • 19990503  Alert Notice 258 - 0915+51 Supernova 1999by in NGC 2841
  • 19990428  Alert Notice 257 - Request to monitor 2138+43 SS Cygni for multiwavelength observations
  • 19990427  Alert Notice 256 - 1801-27 Nova Sagittarii 1999 [V4444 Sgr]
  • 19990225  Alert Notice 255 - Outburst of the recurrent nova 1616-17 U Scorpii
  • 19990222  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
  • 19990128  Alert Notice 253 - Special and unique optical monitoring request - 1522+45 GRB 990123 - gamma-ray burster event with bright optical counterpart

1998

  • 19981023  Alert Notice 252 - 1749-31 Nova Scorpii 1998  [V1142 Sco]
  • 19980828  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
  • 19980618  Alert Notice 250 - 1726-19 Nova Ophiuchi 1998 [V2487 Oph]
  • 19980511  Alert Notice 249 - 1041+12 Supernova 1998bu in NGC 3368 (= M96) AND AAVSO charge-free number to change
  • 19980501  Alert Notice 248 - 1750+18 Supernova 1998bp in NGC 6495
  • 19980429  Alert Notice 247 - 1224-22 Supernova 1998bn in NGC 4462
  • 19980415  Alert Notice 246 - 1151+55 Supernova 1998aq in NGC 3982
  • 19980323  Alert Notice 245 - 1815-27 Nova Sagittarii 1998  [V4633 Sgr]
  • 19980313  Alert Notice 244 - 1140+48 Supernova 1998S in NGC 3877 AND Fading of 1921+50 CH Cygni

1997

  • 19971106  Alert Notice 243 - Supernova 1997dq in NGC 3810
  • 19971103  Alert Notice 242 - Superoutburst of 2110+13 EF Pegasi AND Request to monitor 0749+22 U Geminorum for observations with EUVE and RXTE
  • 19971010  Alert Notice 241 - Request to monitor 2138+43 SS Cygni for observations with HST, EUVE, and RXTE AND Note about Alert Notices and News Flashes
  • 19970609  Alert Notice 240 - 1747-30 Nova Scorpii 1997  [V1141 Sco]
  • 19970606  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
  • 19970408  Alert Notice 238 - Supernova 1997bp in NGC 4680
  • 19970219  Alert Notice 237 - Observations of dwarf novae requested AND Request to monitor 1807+69 3C 371 (Draco) AND Bright maximum of 0214-03 omicron Cet (Mira)
  • 19970502  Alert Notice 236 - 1243-02 Supernova 1997X in NGC 4691
  • 19970113  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

1996

  • 19961220  Alert Notice 234 - Rare outburst of 1858+42 V493 Lyrae AND Second set of observations scheduled in international observing campaign on 1913+49 AM Herculis
  • 19961202  Alert Notice 233 - Rare outburst of 0837+28 EG Cancri AND Request to monitor several R Coronae Borealis stars
  • 19961118  Alert Notice 232 - Extreme faintness and unusual behavior of 0058+40 RX Andromedae
  • 19961017  Alert Notice 231 - Rare bright outburst of 1137+72 DO Draconis (= YY Draconis)
  • 19961016  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]
  • 19960918  Alert Notice 229 - Request and reminder to monitor 2138+43 SS Cygni for observations with HST and with EUVE, RXTE, and SAX AND Reminder - 0207-63 WX Hydri to be observed with Hubble Space Telescope
  • 19960906  Alert Notice 228 - Request to monitor 1804+67 HS 1804+6753 for observations with Hubble Space Telescope
  • 19960828  Alert Notice 227 - 1205-61 probable nova in Crux AND Outburst of 0749+22 U Geminorum AND Brightening of 1848-19 FN Sagittarii   [CP Cru]
  • 19960806  Alert Notice 226 - 1817-18 Nova Sagittarii 1996  [V4361 Sgr]
  • 19960731  Alert Notice 225 - 0241-08 Supernova 1996an in NGC 1084 AND 0207-63 WX Hydri to be observed with Hubble Space Telescope
  • 19960724  Alert Notice 224 - 2327-54 Supernova 1996al in NGC 7689
  • 19960710  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
  • 19960625  Alert Notice 222 - Extreme fading of 1921+50 CH Cygni AND Reminder - Request to monitor 2138+43 SS Cygni for Observations with HST, EUVE, and RXTE
  • 19960509  Alert Notice 221 - Fading of 2007+20 FG Sge AND Request to monitor 2138+43 SS Cyg for observations with HST, EUVE, and RXTE AND 1058+38 Markarian 421 in outburst AND Activity of 1814+39 AM Her continues AND 1746-17  -- Sgr is a new planetary-nebula nucleus [V4334 Sgr]
  • 19960403  Alert Notice 220 - Observations of 1058+38 Markarian 421 with Hubble Space Telescope AND Outburst of 0324+43 GK Persei AND 1813+49 AM Herculis may be fading from high state AND 1834-23 V348 Sagittarii to be observed with Hubble Space Telescope
  • 19960228  Alert Notice 219 - Minor outburst of 0324+43 GK Persei AND 0059+53 Nova Cassiopeiae 1995  [V723 Cas]
  • 19960216  Alert Notice 218 - Monitoring of AM Her for international observing campaign AND Monitoring of the cataclysmic variable V1159 Ori AND Fluctuations of Nova Cas 1995 AND Request to monitor SS Cyg AND Request to monitor WX Hyi AND Request to monitor GK Per

1995

  • 19951116  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]
  • 19951103  Alert Notice 216 - 0945+34 Supernova 1995al in NGC 3021 AND Fading of 1544+28a R Coronae Borealis continues AND Fading of 1510+82 Z Ursae Minoris
  • 19951016  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
  • 19951003  Alert Notice 214 - 0557-23 Supernova 1995ad in NGC 2139 AND 0059+53 Nova Cas 1995 AND Observations of 0409-71 VW Hyi and 0749+22 U Gem AND Fading of 1544+28a R CrB AND Change of Julian Date to 2450000 and AAVSO Data Entry Program  [V723 Cas]
  • 19950828  Alert Notice 213 - 0059+53 Nova Cassiopeiae 1995 [V723 Cas]
  • 19950811  Alert Notice 212 - 1958+56 V1028 Cyg slowly fading from outburst AND Probable change in classification of 1644-25 AF Scorpii AND 0241-00 Supernova 1995V in NGC 1087
  • 19950801  Alert Notice 211 - AAVSO on World Wide Web AND 1958+56 V1028 Cygni in outburst AND Brightening of 1601+67 AG Draconis AND 0409-71 VW Hydri observed with EUVE AND Reminders - GK Persei and T Pyxidis
  • 19950707  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
  • 19950621  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]
  • 19950605  Alert Notice 208 - AAVSO has new Internet address AND Request to monitor 0409-71 VW Hydri AND Request to monitor 2138+43 SS Cygni
  • 19950503  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)
  • 19950405  Alert Notice 206 - Rare outburst of 1227+14 AL Comae Berenices
  • 19950404  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]
  • 19950322  Alert Notice 204 - A very successful Astro-2 mission completed AND Superoutburst of 1051+50 CY Ursae Majoris AND Outburst of 0203+56a UV Persei AND Reminder - monitoring 0749+22 U Geminorum AND Correction to AAVSO Alert Notice 196 - 2110+13 EF Pegasi
  • 199500303  Alert Notice 203 - 0527-70 Nova in the Large Magellanic Cloud (N LMC 95) AND Astro-2 cataclysmic variables  [Nova LMC 1995]
  • 19950302  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]
  • 19950223  Alert Notice 201 - 0740+73 Supernova 1995E in NGC 2441 AND Important reminder [CV observations for Astro-2, EUVE, Voyager, and ASCA] and Thanks [CV observations for Keele U. request and Hipparcos red variables for calibration]
  • Alert Notice 200      bad link
  • Alert Notice 199      bad link
  • 19950130  Alert Notice 198 - 1436-63 Nova Circini 1995  [BY Cir]
  • 19950127  Alert Notice 197 - Observations of cataclysmic variables for Astro-2, EUVE, Voyager, and ASCA satellites AND Reminder regarding outburst of 0749+22 U Gem
  • 19950112  Alert Notice 196 - Outburst of 2110+13 EF Pegasi AND Request to monitor some Hipparacos red variables for photometric calibration

1994

  • 19941123  Alert Notice 195 - Symbiotic stars AND Cataclysmic variables AND 1510+83 Z Ursae Minoris
  • 19941004  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]
  • 19940929  Alert Notice 193 - Outburst of CV DX And AND V1974 Cyg=Nova Cyg 1992 AND Request to monitor CVs for HST and IUE AND Outburst of UZ Boo AND Updates on Southern RCB variables AND Outburst of RU Peg
  • 19940829  Alert Notice 192 - Outburst of IP Peg AND Request for observations of HT Cas, UX UMa, and IP Peg AND Outburst of UZ Boo continues AND Outburst of SS Cyg
  • 19940818  Alert Notice 191 - Rare outburst of UZ Boo
  • 19940812  Alert Notice 190 - 1753-25 Var Sgr - New variable in Sgr AND FN Sgr - chart correction  [V4683 Sgr]
  • 19940801  Alert Notice 189 - 1157+62 Supernova 1994W in NGC 4041
  • 19940714  Alert Notice 188 - Outburst of old nova LQ Sgr AND Nova Oph 1994 AND Recent outburst of SS Cyg AND Recent outburst of symbiotic star AG Dra
  • 19940603  Alert Notice 187 - 1729-19 Nova Ophiuchi 1994 [V2313 Oph] AND Outburst of TV Corvi AND Bright outburst of UV Persei - correction and update
  • 19940601  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
  • 19940524  Alert Notice 185 - Nova Sgr 1994 Number 2 [V4362 Sgr]
  • 19940517  Alert Notice 184 - Brightening of YY Dra (= DO Dra) AND Requests for monitoring (SS Cyg, EX Hya, VW Hyi, AM Her)
  • 19940405  Alert Notice 183 - 1325+47 Supernova 1994I in NGC 5194 AND Peculiar variable in Sagittarius (1848-19B VAR SGR) AND Reminder about reporting data
  • 19940311  Alert Notice 182 - 1229+08 Supernova 1994D in NGC 4526 AND 1844-21 Nova Sagittarii 1994???
  • 19940302  Alert Notice 181 - 1844-21 Nova Sagittarii 1994 AND Rapid fading of 2337+56 Nova Cassiopeiae 1993 AND Erratum from Alert Notice 180
  • 19940208  Alert Notice 180 - 2337+56 Nova Cassiopeiae 1993 AND Special request to monitor dwarf novae

1993

  • 19931214  Alert Notice 179 - 2337+56 Nova Cassiopeiae 1993 AND Brightening of 0849+20 OJ 287 Cnc AND Close monitoring requested
  • 19930923  Alert Notice 178 - 1425-50 Nova Lupi 1993 AND Revised finder chart for 1806-29 Nova Sagittarii 1993 AND Successful completion of ORFEUS Mission AND Outburst of 0409-71 VW Hydri
  • 19930917  Alert Notice 177 - Nova Sagittarii 1993 AND Outburst of 0409-71 VW Hydri
  • 19930910  Alert Notice 176 - Fourth update on ORFEUS mission AND Fading of 1544+28A R Coronae Borealis AND Revised finder charts for 1908+01 Nova Aquilae 1993 and 1911-00 FO Aquilae AND EUVE observations of 2138+43 SS Cygni during its recent outburst AND Reminders
  • 19930804  Alert Notice 175 - Further update on ORFEUS mission and request to monitor Perseid meteors AND Request to monitor cataclysmic variable 2023+43 V503 Cygni AND Reminders
  • 19930722  Alert Notice 174 - Update on ORFEUS mission AND Request for continued monitoring of 0409-71 VW Hydri and 2138+43 SS Cygni AND Request to continue to monitor 1813+49 AM Herculis AND Update on 1910-33 RY Sagittarii AND Reminder of request to monitor 1834-23 V348 Sagittarii
  • 19930707  Alert Notice 173 - Request to monitor cataclysmic variables during ORFEUS mission AND 1908+01 Nova Aquilae 1993 AND Fading of 1910-33 RY Sagittarii AND Request to monitor 1834-23 V348 Sagittarii
  • 19930518 Alert Notice 172 - 1908+01 Nova Aquilae 1993 AND Brightening of 1556-40 EX Lupi AND Revision of request to monitor 2138+43 SS Cygni and 1014+20 AD Leo AND 1719-23 Nova Ophiuchi 1993 [V2295 Oph] AND 0947+69 SN 1993J in NGC 3031
  • 19930505  Alert Notice 171 - 2252-36 SN 1993L in IC 5270 AND Request to monitor 2138+43 SS Cygni and 1014+20 AD Leo for ASCA mission AND 2106-09 VY Aquarii outburst AND 0846+58 BZ Ursae Majoris outburst AND 0947+69 Supernova 1993J in NGC 3031 AND 1719-23 Nova Ophiuchi 1993 [V2295 Oph] AND 1809-00 FG Serpentis (AS 296) (Please note revised designation)
  • 19930421  Alert Notice 170 - 1721-23 Nova Ophiuchi 1993 [V2295 Oph] AND 0946+69 Supernova in NGC 3031 (M81) [SN 1993J] AND 1810-00 FG Serpentis (AS 296)
  • 19930330  Alert Notice 169 - Supernova in MGC 3031 (M81) [SN 1993J] AND Outburst of 0749+22 U Geminorum AND Fading of 0543+19 SU Tauri AND Request to monitor 1834-23 V348 Sagittarii
  • 19930218  Alert Notice 168 - Superoutburst of 0829+53 SW Ursae Majoris AND Superoutburst of 1215-17  - Crv (Tombaugh's nova-dwarf nova) [TV Crv] AND Outburst of 0830+21 CC Cancri AND Reminders
  • 19930201  Alert Notice 167 - The symbiotic star 1810-00 FG Serpentis (AS 296) AND Forthcoming outburst of 0749+22 U Geminorum

1992

  • 19921113  Alert Notice 166 - Nova in the Large Magellanic Cloud 1992
  • 19921026  Alert Notice 165 - Rare outburst of 0846+58 BZ Ursae Majoris
  • 19921015  Alert Notice 164 - Nova Sagittarii 1992 No. 3
  • 19921002  Alert Notice 163 - Supernova in NGC 2082 AND Fading of 2007+20 FG Sagittae
  • 19920827  Alert Notice 162 - Multiwavelength observations of Nova Cygni 1992 AND Variable star observations for EUVE AND Reminders
  • 19920731  Alert Notice 161 - Announcement of 800 number telephone line for AAVSO HQ AND Requests for data support for satellite observations of variable stars
  • 19920714  Correction to AAVSO Alert Notice 160  [not an Alert Notice]
  • 19920710  Alert Notice 160 - 1817-18 Nova Sagittarii 1992 #2 AND Minor outburst of 0324+43 GK Persei (Nova Persei 1901) AND Supernova in NGC 4411B
  • 19920707  Alert Notice 159 - Minor outburst of 0324+43 GK Persei (Nova Per 1901) AND 1221+09 Supernova in NGC 4411B
  • 19920702  Alert Notice 158 - Supernova in NGC 4411B AND Successful launch of NASA's Extreme Ultraviolet Explorer and detection of first light
  • 19920528  Alert Notice 157 - 1700-43 Probable nova in Scorpius AND 2027+52 Nova Cygni 1992 AND Data support for satellite observations of cataclysmic variables
  • 19920416  Alert Notice 156 - 2027+52 Nova Cygni 1992 AND 0807-34 Nova Puppis 1991 and Updates on rare dwarf novae outbursts AND Participation in monitoring cataclysmic variables for EUVE Survey
  • 19920220  Alert Notice 155 - Nova Cygni 1992 [V1974 Cyg] AND Nova Sagittarii 1992 [V4157 Sgr] AND Supernova 1992G in NGC 3294 AND Predicted eclipse of the very long period eclipsing binary 2205+55 EE Cephei
  • 19920214  Alert Notice 154 - Possible Nova in Sagittarius AND New request to monitor high-galactic latitude cataclysmic variables for IUE observing runs
  • 19920114  Alert Notice 153 - Supernova in NGC 1380 AND Nova Puppis 1991
  • 19920106  Alert Notice 152 - Nova Puppis 1991

1991

  • 19911224  Alert Notice 151 - Superoutburst of 0203+56A UV Persei AND Superoutburst of 0803+62 SU Ursae Majoris AND Supernova in NGC 4374 [SN 1991bg]
  • Alert Notice 150 - Rare outburst of 2137+48 V1251 Cygni AND Large amplitude HIPPARCOS stars in need of more observations AND Updates on the activities of stars reported in Alert Notice 149
  • Alert Notice 149 - Outburst of 1825-29 V1017 Sagittarii AND 1834-23 V348 Sagittarii AND Fading of 1808-29 VZ Sagittarii AND Acknowledgements and reminders
  • Alert Notice 148 - Nova Scuti 1991 AND Request to monitor dwarf novae for IUE observing runs [V444 Sct]
  • Alert Notice 147 - Probable nova in Sagittarius AND Special multiwavelength monitoring of 0201+14 TT Arietis [V4160 Sgr]
  • Alert Notice 146 - Special multiwavelength monitoring of 0201+14 TT Arietis
  • Alert Notice 145 - Request to monitor dwarf novae for IUE observing runs AND Request to monitor high-galactic latitude cataclysmic variables for IUE observing run
  • Alert Notice 144 - Supernova 1991X in NGC 4902 AND Monitoring of 1910-33 RY Sagittarii
  • Alert Notice 143 - Major campaign on the flare star 1014+20 AD Leo AND SN 1991T AND Nova Her 1991 AND Nova Men (LMC) 1991
  • Alert Notice 142 - Nova Ophiuchi 1991 AND Nova in the Large Magellanic Cloud 1991 AND Supernova 1991T in NGC 4527 AND Nova Herculis 1991 AND Nova Centauri 1991  [V2264 Oph] [V838 Her] [V868 Cen]
  • Alert Notice 141 - Supernova 1991T in NGC 4527 AND Nova Herculis 1991 AND Nova Centauri 1991 [V838 Her] [V868 Cen]
  • Alert Notice 140 - Nova Centauri 1991 AND Nova Herculis 1991 [V868 Cen] [V838 Her]
  • Alert Notice 139 - Nova Herculis 1991 AND Outburst of 2325+43 DX Andromedae [V838 Her]
  • Alert Notice 138 - Nova Herculis 1991 AND Special request to monitor R Coronae Borealis stars [V838 Her]
  • Alert Notice 137 - Last list for monitoring ROSAT targets

Alert Notices 1 - 136 to be added here in 2016-2017.

PEP: Special AAVSO Photoelectric Photometry Alert Notices

Un-numbered AAVSO Alert Notices

  • July 31, 1974 - AAVSO Alert Notices  [Z Cam, omi Cet, TX Cam]
  • February 1, 1980 - Special Alert Notice  [17 dwarf novae Dec. = +70 - -30]
  • April 29, 1980 - Special Alert Notice - II  [16 dwarf novae Dec. = +70 - -30]
  • November 23, 1981 - Special AAVSO Alert Notice on Dwarf Novae  [9 dwarf novae Dec. = +60 - -30]
  • January 19, 1982 - Special Alert Notice on Cataclysmic Variables  [1]  [17 dwarf novae Dec. = +27 - -79]
  • November 8, 1982 - Special Alert Notice on Cataclysmic Variables  [2]  [36 dwarf novae Dec. = +77 - -76]

 

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