Skip to main content

AAVSO Alert Notice

Title Posted By Updated/commented date Typesort icon
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 1 year 6 weeks ago Page
Alert Notice 504: Epsilon Aur monitoring during predicted pulsation phase weo 23 weeks 5 days ago Page
Alert Notice 458: Multiwavelength observing campaign on AE Aqr weo 2 years 32 weeks ago Page
Alert Notice 308: 0409-71 VW Hyi in outburst - update on request for monitoring weo 1 year 15 weeks ago Page
Alert Notice 389: Support for VLT spectroscopy of the novalike variable VY Scl weo 1 year 17 weeks ago Page
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 weo 1 year 6 weeks ago Page
Alert Notice 356: Request to monitor PQ Andromedae for HST Observations weo 1 year 16 weeks ago Page
Alert Notice 474: Multiwavelength campaign on delta Ori (Mintaka) weo 2 years 11 weeks ago Page
Alert Notice 144: Supernova 1991X in NGC 4902 AND Monitoring of 1910-33 RY Sagittarii weo 1 year 15 weeks ago Page
Alert Notice 373: Support for XMM-Newton Observations of SS Aurigae weo 1 year 16 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 1 year 6 weeks ago Page
Alert Notice 428: Monitoring requested of the peculiar cataclysmic variable FS Aurigae weo 43 weeks 21 hours ago Page
Alert Notice 340: Request to monitor 1744-06 RS Ophiuchi for multiwavelength campaign AND Correction weo 1 year 16 weeks ago Page
Alert Notice 412: Nova Sct 2009 (V496 Sct) weo 1 year 29 weeks ago Page
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] weo 1 year 6 weeks 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 1 year 14 weeks ago Page
Alert Notice 189: 1157+62 Supernova 1994W in NGC 4041 weo 1 year 6 weeks ago Page
Special Notice #244: Continued close monitoring of T Pyx requested weo 19 weeks 22 hours ago Page
Alert Notice 324: 1614-15 V818 Sco - Request for observations to support Spitzer observations weo 1 year 16 weeks ago Page
Alert Notice 405: Request for observations of NSV 99 (khi Peg) in support of HST observations weo 1 year 17 weeks ago Page
Alert Notice 278: 1017-49 V383 Velorum (NSV 4834) = new dwarf nova weo 1 year 6 weeks 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 1 year 6 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 15 weeks ago Page
Alert Notice 392: Supernova 2008hy in IC 334 weo 1 year 17 weeks ago Page
Alert Notice 224: 2327-54 Supernova 1996al in NGC 7689 weo 1 year 6 weeks ago Page
Alert Notice 360: Request to Monitor U Gem and SS Cyg for Radio Observations weo 1 year 16 weeks ago Page
Alert Notice 471: Cataclysmic variables to be monitored for HST observations weo 2 years 1 week ago Page
Alert Notice 140: Nova Centauri 1991 AND Nova Herculis 1991 weo 1 year 15 weeks ago Page
Alert Notice 375: V576 Carinae weo 1 year 16 weeks ago Page
Alert Notice 208: AAVSO has new Internet address AND Request to monitor 0409-71 VW Hydri AND Request to monitor 2138+43 SS Cygni weo 1 year 6 weeks ago Page
Alert Notice 343: Rare outburst of 2320-08 EG Aquarii weo 1 year 16 weeks ago Page
Alert Notice 487: Supernova 2013dy in NGC 7250 = PSN J22181760+4034096 weo 1 year 31 weeks ago Page
Alert Notice 291: 1348-63 Nova Centauri 2001 - possible nova in Centaurus [V1039 Cen] weo 1 year 6 weeks 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 1 year 6 weeks ago Page
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 weo 1 year 6 weeks ago Page
Alert Notice 440: PEP Observing Campaign on P Cygni weo 43 weeks 21 hours ago Page
Alert Notice 327: Nova Scuti 2005 - Probable Nova in Scutum weo 1 year 16 weeks ago Page
Alert Notice 408: Deep fading event in the cataclysmic variable TT Arietis weo 1 year 17 weeks ago Page
Alert Notice 274: 1846-01D Probable nova in Aquila = CI Aquilae?? weo 1 year 6 weeks ago Page
Alert Notice 240: 1747-30 Nova Scorpii 1997 [V1141 Sco] weo 1 year 6 weeks ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484