Skip to main content

HST

Title Posted Bysort icon Updated/commented date Type
Special Notice #350: 1RXS J105010.3-140431 and SDSS J153817.35+512338.0 next HST/COS targets weo 1 year 33 weeks ago Page
Special Notice 257: Reminder to observe V455 And for HST observations weo 3 years 12 weeks ago Page
Special Notice #365: Correction to AAVSO Special Notice #364 weo 1 year 22 weeks ago Page
Special Notice #304: HST COS observations of SDSS J001153.08-064739.1 scheduled weo 2 years 7 weeks ago Page
Alert Notice 366: Request to monitor SDSS133948 for HST Observations weo 1 year 6 weeks ago Page
Special Notice #325: BB Dor monitoring requested for Swift and HST observations weo 1 year 47 weeks ago Page
Alert Notice 228: Request to monitor 1804+67 HS 1804+6753 for observations with Hubble Space Telescope weo 48 weeks 3 days ago Page
Special Notice #346: RZ Leo observations critical now for HST/COS and IU Leo next target weo 1 year 36 weeks ago Page
AAVSO Special Notice #238 weo 3 years 37 weeks ago Page
Special Notice #362: OR And and AX For obs critical now weo 1 year 23 weeks ago Page
Special Notice #298: Second set of HST COS CV targets announced weo 2 years 10 weeks ago Page
Observing Campaign: Request to monitor SDSS J151413.72+454911.9 for HST observations weo 1 year 6 weeks ago Page
Special Notice #322: CU Vel is next HST COS target weo 1 year 48 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 48 weeks 3 days ago Page
Special Notice #342: PU CMa, then IY UMa and MR UMa next HST/COS targets weo 1 year 39 weeks ago Page
Alert Notice 431: Request to monitor SDSS074545 for HST Observations weo 32 weeks 5 days ago Page
Alert Notice 485: AG Dra monitoring requested for multiwavelength campaign weo 1 year 21 weeks ago Page
Alert Notice 399: Nightly monitoring of AG Dra in support of HST calibration observations weo 1 year 7 weeks ago Page
Alert Notice 475: Monitoring of the dwarf nova U Geminorum in support of HST observations weo 1 year 51 weeks ago Page
Alert Notice 143: Major campaign on the flare star 1014+20 AD Leo AND SN 1991T AND Nova Her 1991 AND Nova Men (LMC) 1991 weo 1 year 5 weeks ago Page
Special Notice #340: HST/COS observations 2013 March 8 and March 9 weo 1 year 41 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 48 weeks 3 days ago Page
Special Notice #209: Nightly monitoring of TW Hya in support of HST observations weo 8 weeks 5 days ago Page
Special Notice #357: BD Pav next HST COS target followed by QZ Ser weo 1 year 28 weeks ago Page
Alert Notice 468: Observing campaign on V380 Oph cancelled weo 2 years 17 weeks ago Page
Special Notice #371: BB Ari observations particularly crucial now weo 1 year 11 weeks ago Page
Special Notice #314: HST COS scheduled to observe V405 Peg December 7 weo 2 years 2 weeks ago Page
Alert Notice 356: Request to monitor PQ Andromedae for HST Observations weo 1 year 6 weeks ago Page
Special Notice #336: Next three HST/COS CV campaign targets weo 1 year 44 weeks ago Page
Alert Notice 217: Brightening of 0059+53 Nova Cassiopeiae 1995 AND Request to monitor dwarf nova 0103+59 HT Cassiopeiae AND Request to monitor 2138+43 SS Cygni [V723 Cas] weo 48 weeks 3 days ago Page
Alert Notice 501: Monitoring requested for HST/COS observations of SBS 1108+574 weo 33 weeks 4 days ago Page
Special Notice #354: DT Oct obs crucial now, GW Lib and V1108 Her next targets weo 1 year 30 weeks ago Page
Special Notice #267: HST observations of CH Cyg scheduled and monitoring urgently needed weo 2 years 40 weeks ago Page
Special Notice #309: Next Set of HST COS targets announced weo 2 years 4 weeks ago Page
Observing Campaign: Request to monitor SDSS 074545 for HST observations weo 1 year 6 weeks ago Page
Special Notice #329: Critical time for CV Campaign HST/COS target SDSS J100515.38+191107.9 weo 1 year 46 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 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 48 weeks 3 days ago Page
Special Notice #351: 1RXS J105010.3-140431 obs crucial now and upcoming targets weo 1 year 32 weeks ago Page
Alert Notice 450: Request for observations of SDSS J080434.20+510349.2‭ ‬in support of HST observations weo 3 years 8 weeks ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484