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AAVSO International Database

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What is old is new again... M.Saladyga 3 years 29 weeks ago Blog entry
Variable stars with companions Sebastian Otero 20 weeks 1 day ago Page
The Research Portal Matthew Templeton 4 years 18 weeks ago Blog entry
The AAVSO Research Portal Matthew Templeton 2 years 23 weeks ago Page
Star names containing the Greek letters µ and ν, and the case of “u” versus “U” weo 1 year 41 weeks ago Page
Special Notice 257: Reminder to observe V455 And for HST observations weo 3 years 8 weeks ago Page
Special Notice 255: Cataclysmic Variable in Draco = PNV J18422792+4837425 weo 3 years 9 weeks ago Page
Special Notice #9: V1343 Aql (SS433) Suzaku Observing Campaign Support weo 4 weeks 2 days ago Page
Special Notice #8: GRB060218 weo 4 weeks 2 days ago Page
Special Notice #7: Possible Nova in Sgr [V5117 Sgr] weo 4 weeks 2 days ago Page
Special Notice #6: Rare Outburst of RS Oph weo 4 weeks 2 days ago Page
Special Notice #5: Possible New Object In Oph weo 4 weeks 2 days ago Page
Special Notice #4: Outburst of 1137+72 DO Dra weo 4 weeks 2 days ago Page
Special Notice #3: Possible New Nova/Dwarf Nova in Hya weo 4 weeks 2 days ago Page
Special Notice #390: New possible WZ Sge variable ASASSN-14jv weo 1 week 3 days ago Page
Special Notice #389: Possible Supernova in NGC 4303 (M61) - PSN J12215757+0428185 weo 3 weeks 23 hours ago Page
Special Notice #388: Outburst of VSX J213806.5+261957 weo 3 weeks 6 days ago Page
Special Notice #387: EE Cep eclipse and comparison stars weo 17 weeks 1 hour ago Page
Special Notice #386: ASASSN-14cl New large-amplitude cataclysmic variable weo 21 weeks 6 days ago Page
Special Notice #385: SBS 1108+574 HST/COS observations crucial NOW weo 27 weeks 2 days ago Page
Special Notice #384: SBS 1108+574 HST/COS obs next week weo 27 weeks 6 days ago Page
Special Notice #383: Transient in Scorpius = TCP J17154683-3128303 weo 33 weeks 6 days ago Page
Special Notice #382: SDSS J100658.40+233724.4 observations crucial now weo 35 weeks 3 days ago Page
Special Notice #381: HST/COS observations of SDSS J100658.40+233724.4 weo 37 weeks 1 day ago Page
Special Notice #380: Reported outburst of the recurrent nova V0745 Sco weo 41 weeks 35 min ago Page
Special Notice #379: Supernova 2013hn in IC 4329 = PSN J13485917-3017265 weo 48 weeks 2 hours ago Page
Special Notice #378: BP Tau Chandra observation times set - time-series observations needed weo 48 weeks 1 day ago Page
Special Notice #376: HST observations of U Gem scheduled for December 6 weo 50 weeks 2 days ago Page
Special Notice #375: Symbiotic variable AS 270 in outburst weo 1 year 6 days ago Page
Special Notice #374: Possible Nova in Aquila = PNV J19023335+0315190 weo 1 year 3 weeks ago Page
Special Notice #373: Comparison star changed for HD 15407A weo 1 year 3 weeks ago Page
Special Notice #372: Probable new red variable IRAS 17378-3411 = PNV J17411305-3413235 weo 1 year 7 weeks ago Page
Special Notice #371: BB Ari observations particularly crucial now weo 1 year 7 weeks ago Page
Special Notice #370: GZ Cet observations crucial now weo 1 year 10 weeks ago Page
Special Notice #369: GZ Cet (SDSS J013701.06-091234.9) HST/COS obs next week weo 1 year 10 weeks ago Page
Special Notice #368: Bright transient in M74 - PSN J01364816+1545310 weo 1 year 16 weeks ago Page
Special Notice #366: Symbiotic variable AS 270 brightening weo 1 year 16 weeks ago Page
Special Notice #365: Correction to AAVSO Special Notice #364 weo 1 year 17 weeks ago Page
Special Notice #364: 1RXS J213807.1+261958 (OT J213806.6+261957) HST obs next week weo 1 year 17 weeks ago Page
Special Notice #362: OR And and AX For obs critical now weo 1 year 19 weeks ago Page
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