Skip to main content

HST

Title Posted By Updated/commented date Typesort icon
Special Notice #371: BB Ari observations particularly crucial now weo 50 weeks 3 days ago Page
Special Notice #382: SDSS J100658.40+233724.4 observations crucial now weo 26 weeks 5 days ago Page
Special Notice #314: HST COS scheduled to observe V405 Peg December 7 weo 1 year 41 weeks ago Page
Alert Notice 356: Request to monitor PQ Andromedae for HST Observations weo 45 weeks 3 days ago Page
Special Notice #336: Next three HST/COS CV campaign targets weo 1 year 31 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 35 weeks 2 days ago Page
Special Notice #354: DT Oct obs crucial now, GW Lib and V1108 Her next targets weo 1 year 17 weeks ago Page
Alert Notice 450: Request for observations of SDSS J080434.20+510349.2‭ ‬in support of HST observations weo 2 years 47 weeks ago Page
Alert Notice 417: Request for observations of GW Lib and V842 Cen in support of HST observations weo 1 year 6 weeks ago Page
Special Notice #376: HST observations of U Gem scheduled for December 6 weo 41 weeks 4 days ago Page
Special Notice #309: Next Set of HST COS targets announced weo 1 year 43 weeks ago Page
Observing Campaign: Request to monitor SDSS 074545 for HST observations weo 45 weeks 3 days ago Page
Special Notice #329: Critical time for CV Campaign HST/COS target SDSS J100515.38+191107.9 weo 1 year 33 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 35 weeks 2 days ago Page
Special Notice #351: 1RXS J105010.3-140431 obs crucial now and upcoming targets weo 1 year 19 weeks ago Page
Special Notice #363: HS 2214+2845 (= V513 Peg) obs critical now weo 1 year 9 weeks ago Page
Special Notice #305: HST COS observations of FL Psc (ASAS J002511+1217.2) scheduled weo 1 year 45 weeks ago Page
Alert Notice 365: Request to Monitor EF Eri for Hubble Space Telescope Observations weo 45 weeks 4 days ago Page
Special Notice #326: Next HST/COS target is SDSS J100515.38+191107.9 weo 1 year 34 weeks ago Page
Alert Notice 225: 0241-08 Supernova 1996an in NGC 1084 AND 0207-63 WX Hydri to be observed with Hubble Space Telescope weo 35 weeks 2 days ago Page
Special Notice #348: QZ Lib observations critical now for HST/COS and SDSS J154453.60+255348.8 next target weo 1 year 21 weeks ago Page
The Cepheid Variable M31_V1: Hubble's First Cepheid Matthew Templeton 3 years 13 weeks ago Page
Special Notice #299: Observations needed TODAY of SDSS J164248.52+134751.4 weo 1 year 49 weeks ago Page
Alert Notice 376: Request to monitor SDSS J151413.72+454911.9 for HST Observations weo 45 weeks 4 days ago Page
Special Notice #323: Observations of BB Dor requested weo 1 year 35 weeks ago Page
Alert Notice 230: 1343+61 Supernova 1996bk in NGC 5308 AND Fading of 0059+53 Nova Cas 1995 AND 2138+43 SS Cygni in outburst and under observation by RXTE and EUVE AND 0207-63 WX Hydri and 2138+43 SS Cygni observed with Hubble Space Telescope [V723 Cas] weo 35 weeks 2 days ago Page
Special Notice #344: IY UMa and MR UMa next HST/COS targets weo 1 year 25 weeks ago Page
AAVSO Special Notice #236 weo 3 years 28 weeks ago Page
Special Notice #360: CC Scl observations critical this week weo 1 year 12 weeks ago Page
Alert Notice 471: Cataclysmic variables to be monitored for HST observations weo 1 year 30 weeks ago Page
Observing Campaign: Request to monitor RE J1255+266 for HST observations weo 45 weeks 4 days ago Page
Special Notice #319: HST COS observing SDSS J093249.57+472523.0 2013 January 11-12 weo 1 year 36 weeks ago Page
Alert Notice 257: Request to monitor 2138+43 SS Cygni for multiwavelength observations weo 35 weeks 2 days ago Page
Alert Notice #480: MR UMa superoutburst coverage requested for HST observations weo 1 year 27 weeks ago Page
Alert Notice 204: A very successful Astro-2 mission completed AND Superoutburst of 1051+50 CY Ursae Majoris AND Outburst of 0203+56a UV Persei AND Reminder - monitoring 0749+22 U Geminorum AND Correction to AAVSO Alert Notice 196 - 2110+13 EF Pegasi weo 35 weeks 2 days ago Page
Alert Notice 423: Request for observations of V455 AND in support of HST observations weo 19 weeks 4 days ago Page
Special Notice #358: BD Pav obs critial tonight weo 1 year 14 weeks ago Page
Special Notice #280: HST UV spectroscopy observations of S Dor scheduled weo 2 years 19 weeks ago Page
Alert Notice 405: Request for observations of NSV 99 (khi Peg) in support of HST observations weo 46 weeks 3 days ago Page
Alert Notice 501: Monitoring requested for HST/COS observations of SBS 1108+574 weo 20 weeks 3 days ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484