Skip to main content

AAVSO Alert Notice

Title Posted By Updated/commented date Typesort icon
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 weo 36 weeks 4 days ago Page
Alert Notice 442: Nova Scorpii 2011 = PNV J16551100-3838120 weo 11 weeks 1 day 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 26 weeks 6 days ago Page
Alert Notice 406: Observing Campaign to Monitor Magnetically-Active Dwarfs for Long-Term Variability weo 38 weeks 15 hours ago Page
Alert Notice 366: Request to monitor SDSS133948 for HST Observations weo 37 weeks 18 hours ago Page
Alert Notice 300: 1009+03B Supernova 2003cg in NGC 3169 weo 36 weeks 17 hours 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 26 weeks 6 days ago Page
Alert Notice 457: Monitoring Nova Oph 2012 for multiwavelength observations weo 2 years 14 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 26 weeks 6 days ago Page
Alert Notice 390: Request to monitor three dwarf novae in support of radio observations weo 37 weeks 5 days ago Page
Alert Notice 348: Observe HMXBs; monitor AR UMa; update on Alert Notice 345 weo 36 weeks 6 days ago Page
Alert Notice 297: 1855-22 Nova Sagittarii 2002 No. 3 - Another nova in Sagittarius weo 35 weeks 5 days ago Page
Alert Notice 240: 1747-30 Nova Scorpii 1997 [V1141 Sco] weo 26 weeks 6 days ago Page
Alert Notice 473: T Tauri stars observing campaign weo 1 year 36 weeks ago Page
Alert Notice 501: Monitoring requested for HST/COS observations of SBS 1108+574 weo 12 weeks 11 hours ago Page
Alert Notice 374: Nova Cygni 2008 = V2468 Cyg weo 37 weeks 1 day ago Page
Alert Notice 332: Request to monitor V426 Oph for XMM Newton observations weo 36 weeks 5 days ago Page
Alert Notice 265: 1918+04 Nova Aquilae 1999 Number 2 = V1494 Aql weo 26 weeks 6 days ago Page
Alert Notice 427: Observing campaign on BM Ori and the Trapezium region weo 11 weeks 1 day ago Page
Alert Notice 224: 2327-54 Supernova 1996al in NGC 7689 weo 26 weeks 6 days ago Page
Alert Notice 411: Request for observations of the blazar 3C 66A weo 50 weeks 19 hours ago Page
Alert Notice 316: Nova in Sagittarius = V5115 Sgr (=N Sgr 05) AND Announcement about AAVSO Alert Notice 315 weo 36 weeks 4 days ago Page
Alert Notice 409: V5584 Sgr = Nova Sagittarii 2009 Number 4 weo 38 weeks 16 hours ago Page
Alert Notice 369: Outburst of AQ CMi weo 37 weeks 20 hours ago Page
Alert Notice 303: 1813-28B Nova Sagittarii 2004 - possible nova in Sagittarius weo 36 weeks 18 hours ago Page
Alert Notice 284: 1836-65 Supernova 2001cn in IC 4758 (Pavo) weo 26 weeks 6 days ago Page
Alert Notice 454: Monitoring of CH Cyg requested for Chandra and HST observations weo 2 years 20 weeks ago Page
Alert Notice 493: Request to monitor BP Tau in support of Chandra X-ray observations weo 26 weeks 6 days ago Page
Alert Notice 393: Monitoring for a planetary transit of HD 80606 weo 37 weeks 5 days ago Page
Alert Notice 351: Campaign for a New Eclipsing Cepheid weo 37 weeks 13 hours 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 12 hours ago Page
Alert Notice 243: Supernova 1997dq in NGC 3810 weo 26 weeks 6 days ago Page
Alert Notice 470: Symbiotic variable V4018 Sgr in outburst weo 1 year 43 weeks ago Page
Alert Notice 498: Nova Cephei 2014 = TCP J20542386+6017077 weo 19 weeks 1 day ago Page
Alert Notice 377: Request extended to observe HMXBs in support of radial velocity observations weo 37 weeks 1 day 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 5 days ago Page
Alert Notice 268: 1216+05 Supernova 1999gn in NGC 4303 = M61 weo 26 weeks 6 days ago Page
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] weo 26 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 319: Request to monitor the CV SDSS161033 (1605-00) for HST observations AND TU Cas comparison stars weo 36 weeks 4 days ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484