Skip to main content

AAVSO Special Notice

Title Posted By Updated/commented date Typesort icon
Special Notice #315: HST COS observing SDSS J075507.70+143547.6 December 13-14 and HS 0218+3229 is next target weo 1 year 39 weeks ago Page
Special Notice #268: Chandra observations scheduled for CH Cyg and monitoring urgently needed weo 2 years 24 weeks ago Page
Special Notice #375: Symbiotic variable AS 270 in outburst weo 44 weeks 2 days ago Page
Special Notice #331: Nova Cephei 2013 = PNV J23080471+6046521 weo 1 year 32 weeks ago Page
Special Notice #283: Supernova 2012cg IN NGC 4424 = PSN J12271283+0925132 weo 2 years 17 weeks ago Page
Special Notice #345: MR UMa observations needed now and RZ Leo next HST/COS target weo 1 year 23 weeks ago Page
AAVSO Special Notice #224 weo 3 years 43 weeks ago Page
Special Notice #298: Second set of HST COS CV targets announced weo 1 year 49 weeks ago Page
Special Notice #248: Radio outburst in V1343 Aquilae Matthew Templeton 3 years 5 weeks ago Page
Special Notice #358: BD Pav obs critial tonight weo 1 year 14 weeks ago Page
Special Notice #265: Bright Symbiotics in Sgr, Cyg, and Oph Matthew Templeton 2 years 28 weeks ago Page
Special Notice #372: Probable new red variable IRAS 17378-3411 = PNV J17411305-3413235 weo 50 weeks 2 days ago Page
Special Notice #328: HST/COS observing U Gem 2013 January 30 weo 1 year 33 weeks ago Page
Special Notice #280: HST UV spectroscopy observations of S Dor scheduled weo 2 years 19 weeks ago Page
Special Notice #342: PU CMa, then IY UMa and MR UMa next HST/COS targets weo 1 year 26 weeks ago Page
Special Notice #295: Bright outburst of the BL Lac object PKS 0716+71 weo 2 years 1 day ago Page
AAVSO Special Notice #242 weo 3 years 15 weeks ago Page
Special Notice #355: V1108 Her next HST COS target followed by BD Pav weo 1 year 15 weeks ago Page
Special Notice #312: Supernova 2012gx in MCG -02-2-72 = PSN J00380175-1351395 weo 1 year 42 weeks ago Page
Special Notice #261: Outburst of the UGWZ Candidate BW Scl Matthew Templeton 2 years 47 weeks ago Page
Special Notice #368: Bright transient in M74 - PSN J01364816+1545310 weo 1 year 7 weeks ago Page
Special Notice #325: BB Dor monitoring requested for Swift and HST observations weo 1 year 34 weeks ago Page
Special Notice #277: Possible Nova in Sagittarius (PNV J17452791-2305213) weo 2 years 21 weeks ago Page
Special Notice #385: SBS 1108+574 HST/COS observations crucial NOW weo 18 weeks 3 days ago Page
Special Notice #340: HST/COS observations 2013 March 8 and March 9 weo 1 year 28 weeks ago Page
Special Notice #292: Possible nova in Carina = PNV J09410000-5759540 weo 2 years 6 weeks ago Page
AAVSO Special Notice #237 weo 3 years 25 weeks ago Page
Special Notice #352: Correction to target name in Special Notice #351 weo 1 year 19 weeks ago Page
Special Notice #309: Next Set of HST COS targets announced weo 1 year 43 weeks ago Page
AAVSO Special Notice #258: Request for monitoring of SS Cygni in support of European VLBI radio observations weo 2 years 48 weeks ago Page
Special Notice #365: Correction to AAVSO Special Notice #364 weo 1 year 8 weeks ago Page
Special Notice #322: CU Vel is next HST COS target weo 1 year 35 weeks ago Page
Aviso Especial de AAVSO #274: Objeto variable en Centaurus = TCP J14250600-5845360 Sebastian Otero 2 years 23 weeks ago Page
Special Notice #382: SDSS J100658.40+233724.4 observations crucial now weo 26 weeks 4 days ago Page
Aviso Especial de AAVSO #337 (actualizado): supernova brillante de tipo Ia en la galaxia NGC 5643 (Lupus) Sebastian Otero 1 year 30 weeks ago Page
Special Notice #289: Bright possible nova in Sagittarius = PNV J18202726-2744263 weo 2 years 9 weeks ago Page
AAVSO Special Notice #232 weo 3 years 32 weeks ago Page
Special Notice #349: HST/COS Observations CANCELLED for SDSS J154453.60+255348.8 weo 1 year 20 weeks ago Page
Special Notice #306: Telluric standards for T Tau stars campaign spectroscopists weo 1 year 45 weeks ago Page
Special Notice #254: T Pyx Campaign continues weo 3 years 1 week ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484