Skip to main content

HST

Title Posted By Updated/commented date Typesort icon
Alert Notice 466: Monitoring of V380 Oph requested in support of HST observations weo 1 year 49 weeks ago Page
Alert Notice 403: Request for observations of V2105 Oph in support of HST observations weo 39 weeks 1 day ago Page
Special Notice #317: HST COS observing HS 0218+3229 2012 December 22 and SDSS J093249.57+472523.0 is probable next target weo 1 year 31 weeks ago Page
Alert Notice 318: New Alert Notice publication policy AND Possible nova in Aquila AND New possible CV in Norma AND Request to monitor the CV SDSS 013132 for HST observations AND V2291 Oph eclipse PEP campaign AND TU Cas visual+PEP+CCD campaign weo 37 weeks 6 days ago Page
Special Notice #332: Observations of IR Com crucial now through February 8 weo 1 year 25 weeks ago Page
Alert Notice 219: Minor outburst of 0324+43 GK Persei AND 0059+53 Nova Cassiopeiae 1995 [V723 Cas] weo 28 weeks 1 day ago Page
Special Notice #353: SDSS J153817.35+512338.0 obs crucial now and DT Oct is next weo 1 year 11 weeks ago Page
Alert Notice 454: Monitoring of CH Cyg requested for Chandra and HST observations weo 2 years 21 weeks ago Page
Special Notice #369: GZ Cet (SDSS J013701.06-091234.9) HST/COS obs next week weo 47 weeks 19 hours ago Page
Special Notice #313: HST COS observing CW Mon tonight and V405 Peg is next target weo 1 year 34 weeks ago Page
Observing Campaign: Request to monitor PQ Andromedae for HST observations weo 38 weeks 2 days ago Page
Special Notice #328: HST/COS observing U Gem 2013 January 30 weo 1 year 26 weeks ago Page
Alert Notice 222: Extreme fading of 1921+50 CH Cygni AND Reminder - Request to monitor 2138+43 SS Cygni for Observations with HST, EUVE, and RXTE weo 28 weeks 1 day ago Page
Special Notice #350: 1RXS J105010.3-140431 and SDSS J153817.35+512338.0 next HST/COS targets weo 1 year 13 weeks ago Page
Special Notice 257: Reminder to observe V455 And for HST observations weo 2 years 44 weeks ago Page
Special Notice #365: Correction to AAVSO Special Notice #364 weo 1 year 1 week ago Page
Special Notice #308: Observations crucial starting tonight for FL Psc (ASAS J002511+1217.2) weo 1 year 37 weeks ago Page
Alert Notice 361: Request to monitor SDSS091908 for HST Observations weo 38 weeks 2 days ago Page
Alert Notice 228: Request to monitor 1804+67 HS 1804+6753 for observations with Hubble Space Telescope weo 28 weeks 1 day ago Page
Alert Notice 501: Monitoring requested for HST/COS observations of SBS 1108+574 weo 13 weeks 2 days ago Page
Special Notice #346: RZ Leo observations critical now for HST/COS and IU Leo next target weo 1 year 16 weeks ago Page
AAVSO Special Notice #238 weo 3 years 17 weeks ago Page
Special Notice #362: OR And and AX For obs critical now weo 1 year 3 weeks ago Page
Special Notice #304: HST COS observations of SDSS J001153.08-064739.1 scheduled weo 1 year 39 weeks ago Page
Alert Notice 366: Request to monitor SDSS133948 for HST Observations weo 38 weeks 2 days ago Page
Special Notice #325: BB Dor monitoring requested for Swift and HST observations weo 1 year 27 weeks ago Page
Alert Notice 193: Outburst of CV DX And AND V1974 Cyg=Nova Cyg 1992 AND Request to monitor CVs for HST and IUE AND Outburst of UZ Boo AND Updates on Southern RCB variables AND Outburst of RU Peg weo 28 weeks 1 day ago Page
Special Notice #342: PU CMa, then IY UMa and MR UMa next HST/COS targets weo 1 year 19 weeks ago Page
Alert Notice 431: Request to monitor SDSS074545 for HST Observations weo 12 weeks 3 days ago Page
Alert Notice 485: AG Dra monitoring requested for multiwavelength campaign weo 1 year 6 days ago Page
Special Notice #298: Second set of HST COS CV targets announced weo 1 year 42 weeks ago Page
Observing Campaign: Request to monitor SDSS J151413.72+454911.9 for HST observations weo 38 weeks 3 days ago Page
Special Notice #322: CU Vel is next HST COS target weo 1 year 28 weeks ago Page
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 28 weeks 1 day ago Page
Alert Notice 197: Observations of cataclysmic variables for Astro-2, EUVE, Voyager, and ASCA satellites AND Reminder regarding outburst of 0749+22 U Gem weo 28 weeks 1 day ago Page
Special Notice #340: HST/COS observations 2013 March 8 and March 9 weo 1 year 21 weeks ago Page
Alert Notice 214: 0557-23 Supernova 1995ad in NGC 2139 AND 0059+53 Nova Cas 1995 AND Observations of 0409-71 VW Hyi and 0749+22 U Gem AND Fading of 1544+28a R CrB AND Change of Julian Date to 2450000 and AAVSO Data Entry Program [V723 Cas] weo 28 weeks 1 day ago Page
Alert Notice 422: Observing Campaign on Hubble's First Variable in M31: M31_V1 RebeccaTurner 12 weeks 3 days ago Page
Special Notice #357: BD Pav next HST COS target followed by QZ Ser weo 1 year 7 weeks ago Page
Alert Notice 468: Observing campaign on V380 Oph cancelled weo 1 year 49 weeks ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484