Skip to main content

AAVSO Alert Notice

Title Posted Bysort icon Updated/commented date Type
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 48 weeks 3 days ago Page
Alert Notice 400: Nova Sagittarii 2009 Number 3 weo 1 year 7 weeks ago Page
Alert Notice 349: Outburst of GW Lib weo 1 year 6 weeks ago Page
Alert Notice 460: Possible occultation by Pluto from US East Coast weo 2 years 27 weeks ago Page
Alert Notice 298: Nova Sagittarii 2002 No. 4 - Possible nova in Sagittarius weo 1 year 5 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 48 weeks 3 days ago Page
Alert Notice 387: V1721 Aql (Nova Aql 2008) weo 1 year 7 weeks ago Page
Alert Notice 333: Possible New Dwarf Nova in Cet (ASAS023322) weo 1 year 6 weeks ago Page
Alert Notice 476: Multicolor photometry of triple system b Per requested weo 1 year 21 weeks ago Page
Alert Notice 266: 0939-20 Supernova 1999gh in NGC 2986 AND 1058+45 AN Ursae Majoris to be observed with EUVE satellite weo 48 weeks 3 days 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 48 weeks 3 days ago Page
Alert Notice 371: Support for XMM-Newton Observations of SS Aurigae weo 1 year 6 weeks ago Page
Alert Notice 430: Photometry requested of Blazar-type Quasars 3C 273 and 3C 279 weo 32 weeks 5 days ago Page
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) 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 4 weeks ago Page
Alert Notice 415: Recurrent Nova U Scorpii in outburst weo 1 year 19 weeks ago Page
Alert Notice 259: 1040-51 Nova Velorum 1999 [V382 Vel] weo 48 weeks 3 days ago Page
Alert Notice 189: 1157+62 Supernova 1994W in NGC 4041 weo 48 weeks 3 days ago Page
Alert Notice 367: Monitoring of the Recurrent Nova U Scorpii weo 1 year 6 weeks ago Page
Alert Notice 444: Nova Lupi 2011 weo 32 weeks 5 days ago Page
Alert Notice 301: Observations requested for 1041-59 eta Car and 2349+56 rho Cas weo 1 year 5 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 48 weeks 3 days ago Page
Alert Notice 403: Request for observations of V2105 Oph in support of HST observations weo 1 year 7 weeks ago Page
Alert Notice 504: Epsilon Aur monitoring during predicted pulsation phase weo 13 weeks 3 days ago Page
Alert Notice 457: Monitoring Nova Oph 2012 for multiwavelength observations weo 2 years 36 weeks ago Page
Alert Notice 148: Nova Scuti 1991 AND Request to monitor dwarf novae for IUE observing runs weo 1 year 5 weeks ago Page
Alert Notice 224: 2327-54 Supernova 1996al in NGC 7689 weo 48 weeks 3 days ago Page
Alert Notice 390: Request to monitor three dwarf novae in support of radio observations weo 1 year 7 weeks ago Page
Alert Notice 336: CCD campaign to observe 1059+23 AH Leo weo 1 year 6 weeks ago Page
Alert Notice 473: T Tauri stars observing campaign weo 2 years 6 weeks ago Page
Alert Notice 269: 0735-40 CGCS 1825 - new red variable in Puppis [V671 Pup] weo 48 weeks 3 days 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 48 weeks 3 days ago Page
Alert Notice 374: Nova Cygni 2008 = V2468 Cyg weo 1 year 6 weeks ago Page
Alert Notice 427: Observing campaign on BM Ori and the Trapezium region weo 32 weeks 5 days ago Page
Alert Notice 320: 1811-30 Nova Sagittarii 2005 No. 2 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 48 weeks 3 days ago Page
Alert Notice 411: Request for observations of the blazar 3C 66A weo 1 year 19 weeks ago Page
Alert Notice 256: 1801-27 Nova Sagittarii 1999 [V4444 Sgr] weo 48 weeks 3 days 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 48 weeks 3 days ago Page
Alert Notice 370: GJ 436 Extrasolar Planet Transit Campaign weo 1 year 6 weeks ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484