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AAVSO International Database

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What is old is new again... M.Saladyga 3 years 20 weeks ago Blog entry
Variable stars with companions Sebastian Otero 11 weeks 20 hours ago Page
The Research Portal Matthew Templeton 4 years 8 weeks ago Blog entry
The AAVSO Research Portal Matthew Templeton 2 years 14 weeks ago Page
Star names containing the Greek letters µ and ν, and the case of “u” versus “U” weo 1 year 32 weeks ago Page
Special Notice 257: Reminder to observe V455 And for HST observations weo 2 years 51 weeks ago Page
Special Notice 255: Cataclysmic Variable in Draco = PNV J18422792+4837425 weo 3 years 4 days ago Page
Special Notice #387: EE Cep eclipse and comparison stars weo 7 weeks 6 days ago Page
Special Notice #386: ASASSN-14cl New large-amplitude cataclysmic variable weo 12 weeks 5 days ago Page
Special Notice #385: SBS 1108+574 HST/COS observations crucial NOW weo 18 weeks 1 day ago Page
Special Notice #384: SBS 1108+574 HST/COS obs next week weo 18 weeks 5 days ago Page
Special Notice #383: Transient in Scorpius = TCP J17154683-3128303 weo 24 weeks 6 days ago Page
Special Notice #382: SDSS J100658.40+233724.4 observations crucial now weo 26 weeks 2 days ago Page
Special Notice #381: HST/COS observations of SDSS J100658.40+233724.4 weo 28 weeks 19 hours ago Page
Special Notice #380: Reported outburst of the recurrent nova V0745 Sco weo 31 weeks 6 days ago Page
Special Notice #379: Supernova 2013hn in IC 4329 = PSN J13485917-3017265 weo 38 weeks 6 days ago Page
Special Notice #378: BP Tau Chandra observation times set - time-series observations needed weo 39 weeks 19 hours ago Page
Special Notice #376: HST observations of U Gem scheduled for December 6 weo 41 weeks 2 days ago Page
Special Notice #375: Symbiotic variable AS 270 in outburst weo 44 weeks 14 hours ago Page
Special Notice #374: Possible Nova in Aquila = PNV J19023335+0315190 weo 46 weeks 2 days ago Page
Special Notice #373: Comparison star changed for HD 15407A weo 47 weeks 20 min ago Page
Special Notice #372: Probable new red variable IRAS 17378-3411 = PNV J17411305-3413235 weo 50 weeks 19 hours ago Page
Special Notice #371: BB Ari observations particularly crucial now weo 50 weeks 1 day ago Page
Special Notice #370: GZ Cet observations crucial now weo 1 year 1 week ago Page
Special Notice #369: GZ Cet (SDSS J013701.06-091234.9) HST/COS obs next week weo 1 year 1 week ago Page
Special Notice #368: Bright transient in M74 - PSN J01364816+1545310 weo 1 year 7 weeks ago Page
Special Notice #366: Symbiotic variable AS 270 brightening weo 1 year 7 weeks ago Page
Special Notice #365: Correction to AAVSO Special Notice #364 weo 1 year 8 weeks ago Page
Special Notice #364: 1RXS J213807.1+261958 (OT J213806.6+261957) HST obs next week weo 1 year 8 weeks ago Page
Special Notice #362: OR And and AX For obs critical now weo 1 year 10 weeks ago Page
Special Notice #361: CC Scl observations DATE REVISED weo 1 year 12 weeks ago Page
Special Notice #360: CC Scl observations critical this week weo 1 year 12 weeks ago Page
Special Notice #359: OR And monitoring needed for HST/COS campaign weo 1 year 13 weeks ago Page
Special Notice #358: BD Pav obs critial tonight weo 1 year 13 weeks ago Page
Special Notice #357: BD Pav next HST COS target followed by QZ Ser weo 1 year 14 weeks ago Page
Special Notice #356: V1108 Her obs urgent TONIGHT and new date for BD Pav weo 1 year 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 #354: DT Oct obs crucial now, GW Lib and V1108 Her next targets weo 1 year 16 weeks ago Page
Special Notice #353: SDSS J153817.35+512338.0 obs crucial now and DT Oct is next weo 1 year 18 weeks ago Page
Special Notice #352: Correction to target name in Special Notice #351 weo 1 year 18 weeks ago Page
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