Skip to main content

AAVSO Alert Notice

Title Posted Bysort icon Updated/commented date Type
Alert Notice 434: Outburst of NSV 1436 Matthew Templeton 38 weeks 5 days ago Page
Alert Notice 443: Long-term monitoring of four AGN in support of ground-based spectroscopy Matthew Templeton 11 weeks 2 days ago Page
Alert Notice 441: Monitoring of Bright Giant Variables requested in support of ground-based spectroscopy and for long-term study Matthew Templeton 11 weeks 2 days ago Page
AAVSO Alert Notice 436 Matthew Templeton 3 years 3 weeks ago Page
Alerta de AAVSO 436 Sebastian Otero 3 years 14 weeks ago Page
Alerta de AAVSO 495: Brillante supernova de tipo Ia PSN J09554214+6940260 y campaña de observación Sebastian Otero 26 weeks 10 hours ago Page
Alert Notice 473: T Tauri stars observing campaign weo 1 year 37 weeks ago Page
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] weo 27 weeks 18 hours ago Page
Alert Notice 348: Observe HMXBs; monitor AR UMa; update on Alert Notice 345 weo 37 weeks 19 hours ago Page
Alert Notice 374: Nova Cygni 2008 = V2468 Cyg weo 37 weeks 2 days ago Page
Alert Notice 297: 1855-22 Nova Sagittarii 2002 No. 3 - Another nova in Sagittarius weo 35 weeks 6 days ago Page
Alert Notice 427: Observing campaign on BM Ori and the Trapezium region weo 11 weeks 2 days ago Page
Alert Notice 250: 1726-19 Nova Ophiuchi 1998 [V2487 Oph] weo 27 weeks 17 hours ago Page
Alert Notice 411: Request for observations of the blazar 3C 66A weo 50 weeks 2 days 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 27 weeks 18 hours ago Page
Alert Notice 332: Request to monitor V426 Oph for XMM Newton observations weo 36 weeks 6 days ago Page
Alert Notice 265: 1918+04 Nova Aquilae 1999 Number 2 = V1494 Aql weo 27 weeks 17 hours ago Page
Alert Notice 442: Nova Scorpii 2011 = PNV J16551100-3838120 weo 11 weeks 2 days ago Page
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 weo 27 weeks 17 hours ago Page
Alert Notice 406: Observing Campaign to Monitor Magnetically-Active Dwarfs for Long-Term Variability weo 38 weeks 1 day ago Page
Alert Notice 316: Nova in Sagittarius = V5115 Sgr (=N Sgr 05) AND Announcement about AAVSO Alert Notice 315 weo 36 weeks 5 days ago Page
Alert Notice 457: Monitoring Nova Oph 2012 for multiwavelength observations weo 2 years 14 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 27 weeks 17 hours ago Page
Alert Notice 366: Request to monitor SDSS133948 for HST Observations weo 37 weeks 2 days ago Page
Alert Notice 390: Request to monitor three dwarf novae in support of radio observations weo 37 weeks 6 days ago Page
Alert Notice 300: 1009+03B Supernova 2003cg in NGC 3169 weo 36 weeks 1 day ago Page
Alert Notice 470: Symbiotic variable V4018 Sgr in outburst weo 1 year 43 weeks ago Page
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 weo 27 weeks 18 hours ago Page
Alert Notice 351: Campaign for a New Eclipsing Cepheid weo 37 weeks 1 day ago Page
Alert Notice 377: Request extended to observe HMXBs in support of radial velocity observations weo 37 weeks 2 days ago Page
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 weo 36 weeks 1 day ago Page
Alert Notice 151: Superoutburst of 0203+56A UV Persei AND Superoutburst of 0803+62 SU Ursae Majoris AND Supernova in NGC 4374 [SN 1991bg] weo 34 weeks 6 days ago Page
Alert Notice 486: Spectroscopy and photometry campaign on three bright Wolf Rayet stars weo 1 year 3 weeks ago Page
Alert Notice 189: 1157+62 Supernova 1994W in NGC 4041 weo 27 weeks 18 hours ago Page
Alert Notice 335: Recurrent nova 1744-06 RS Ophiuchi in outburst AND W Vir monitoring window extended to mid-April weo 36 weeks 6 days ago Page
Alert Notice 268: 1216+05 Supernova 1999gn in NGC 4303 = M61 weo 27 weeks 17 hours ago Page
Alert Notice 439: Correction to AAVSO Alert Notice 438 on SN 2011by weo 11 weeks 2 days ago Page
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) weo 27 weeks 17 hours ago Page
Alert Notice 409: V5584 Sgr = Nova Sagittarii 2009 Number 4 weo 38 weeks 1 day ago Page
Alert Notice 319: Request to monitor the CV SDSS161033 (1605-00) for HST observations AND TU Cas comparison stars weo 36 weeks 5 days ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484