Skip to main content

AAVSO International Database

Title Posted Bysort icon Updated/commented date Type
Special Notice #392: ASASSN-14lp = Type Ia Supernova in NGC 4666 (Virgo) weo 1 year 23 weeks ago Page
Alert Notice 187: 1729-19 Nova Ophiuchi 1994 [V2313 Oph] AND Outburst of TV Corvi AND Bright outburst of UV Persei - correction and update weo 2 years 18 weeks ago Page
Alert Notice 336: CCD campaign to observe 1059+23 AH Leo weo 2 years 28 weeks ago Page
Special Notice #315: HST COS observing SDSS J075507.70+143547.6 December 13-14 and HS 0218+3229 is next target weo 3 years 23 weeks ago Page
Special Notice #230: Nova Sagittarii 2011 = PNV J17474639-2335112 weo 9 weeks 23 hours ago Page
Alert Notice 290: Supernova 2001el in NGC 1448 (Horologium) AND Request to monitor cataclysmic variables for XMM-Newton observations weo 2 years 18 weeks ago Page
Alert Notice 488: Observations of AA Tau requested to schedule XMM-Newton weo 2 years 18 weeks ago Page
Alert Notice 506: Alpha Com eclipse observing campaign weo 1 year 18 weeks ago Page
Special Notice #286: Revised Timetable for June AE Aqr MAGIC Observations weo 3 years 50 weeks ago Page
Alert Notice 231: Rare bright outburst of 1137+72 DO Draconis (= YY Draconis) weo 2 years 18 weeks ago Page
Alert Notice 379: Support for Spitzer observations of tremendous outburst amplitude dwarf novae (TOADs) weo 2 years 29 weeks ago Page
Alert Notice 517: Monitoring of AM Her urgently requested in support of XMM-Newton and NuSTAR observations weo 1 year 7 weeks ago Page
Alert Notice 321: Multicolor CCD campaign for AS 325 to support Spitzer observations weo 2 years 28 weeks ago Page
Special Notice #328: HST/COS observing U Gem 2013 January 30 weo 3 years 16 weeks ago Page
Alert Notice 442: Nova Scorpii 2011 = PNV J16551100-3838120 weo 2 years 3 weeks ago Page
Alert Notice 264: 1918+04 Nova Aquilae 1999 Number 2 [V1494 Aql] weo 2 years 18 weeks ago Page
Special Notice #373: Comparison star changed for HD 15407A weo 2 years 30 weeks ago Page
Alert Notice 369: Outburst of AQ CMi weo 2 years 29 weeks ago Page
Alert Notice 527: 17 Cataclysmic variables to be observed by William Herschel Telescope weo 39 weeks 1 day ago Page
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 weo 2 years 28 weeks ago Page
Special Notice #340: HST/COS observations 2013 March 8 and March 9 weo 3 years 11 weeks ago Page
AAVSO Special Notice #258: Request for monitoring of SS Cygni in support of European VLBI radio observations weo 4 years 32 weeks ago Page
Alert Notice 258: 0915+51 Supernova 1999by in NGC 2841 weo 2 years 18 weeks ago Page
Alert Notice 396: Nova in Centaurus weo 2 years 29 weeks ago Page
Special Notice #7: Possible Nova in Sgr [V5117 Sgr] weo 1 year 31 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 2 years 18 weeks ago Page
Alert Notice 356: Request to monitor PQ Andromedae for HST Observations weo 2 years 29 weeks ago Page
Special Notice #413: SU UMa observations needed now weo 13 weeks 3 days ago Page
Alert Notice 141: Supernova 1991T in NGC 4527 AND Nova Herculis 1991 AND Nova Centauri 1991 weo 2 years 28 weeks ago Page
Special Notice #353: SDSS J153817.35+512338.0 obs crucial now and DT Oct is next weo 3 years 2 weeks ago Page
Alert Notice (un-numbered April 29, 1980): Special Alert Notice II [dwarf novae] weo 3 weeks 2 hours ago Page
Special Notice #269: SUPERNOVA 2012aw IN M95 (NGC 3351) = PSN J10435372+1140177 weo 4 years 9 weeks ago Page
Alert Notice 250: 1726-19 Nova Ophiuchi 1998 [V2487 Oph] weo 2 years 18 weeks ago Page
Special Notice #389: Possible Supernova in NGC 4303 (M61) - PSN J12215757+0428185 weo 1 year 30 weeks ago Page
Alert Notice 190: 1753-25 Var Sgr - New variable in Sgr AND FN Sgr - chart correction [V4683 Sgr] weo 2 years 18 weeks ago Page
Alert Notice 339: Far Ultraviolet Spectroscopic Explorer Cataclysmic Variable Survey AND Preliminary NGC 6811 Deep and Wide Field Campaign Announcement weo 2 years 28 weeks ago Page
Special Notice #312: Supernova 2012gx in MCG -02-2-72 = PSN J00380175-1351395 weo 3 years 25 weeks ago Page
Identifications of Centennial Calendar Images: November 2011 weo 5 years 23 weeks ago Page
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 weo 2 years 18 weeks ago Page
Alert Notice 487: Supernova 2013dy in NGC 7250 = PSN J22181760+4034096 weo 2 years 43 weeks ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484