Observer Awards - 2020-2021

AAVSO 110th Annual Meeting, Somerville Massachusetts, November 5-7, 2021

Note: All Observer Awards are now presented at the Annual Meeting. 2020-2021 is the first year for which Exoplanet Observer Awards are presented.

AAVSO Observer Awards recognizing milestones through September 2021

Variable Stars - Spectroscopy - Exoplanets  (Solar Awards are on a separate webpage)

  Name     Country Years* Total*  
               
  Variable Stars            
  OVER 175,000 VISUAL OBSERVATIONS*  
05 Eddy   Muyllaert Belgium 1985-2020 181,222  
               
  OVER 125,000 VISUAL OBSERVATIONS*  
  Alfredo   Glez-Herrera Spain 1989-2021 127969  
               
  OVER 25,000 VISUAL OBSERVATIONS*  
  Oskar A. Deren Poland 1989-2021 25023  
               
  OVER 5,000 VISUAL OBSERVATIONS*  
  Nicholas J. Brown Australia 1968-2021 6203  
03 Laszlo   Juhasz Hungary 2010-2021 5623  
  Karsten   Klindt-Jensen Denmark 2011-2021 5587  
01 Dominique   Naillon France 2003-2021 5496  
13 Carlos A. Adib Brazil 1986-2021 5239  
  Horace A. Smith USA 1968-2021 5061  
               
  OVER 1,000 VISUAL OBSERVATIONS*  
03 Balazs   Eigner Hungary 2020-2021 1833  
  David   Stadnik Ukraine 2017-2021 1788  
  Florencio   Cruz Nicolau Argentina 1985-2021 1743  
  Angel   Flores Spain 2002-2021 1172  
  Mark A. Davis USA 1987-2021 1035  
  Malcolm C. V. Fridlund Sweden 1991-2021 1003  
               
  OVER 100 VISUAL OBSERVATIONS*  
  Zachary   Knoles USA 2020-2021 948  
01 Michel   Boef France 2020-2021 410  
  Andrew N. Corkill USA 2021-2021 367  
  Jean-Gabriel   Bosch France 1991-2021 308  
03 Szilard   Gombos Hungary 2020-2021 234  
  Terry   Trees USA 2020-2021 180  
  Carsten   Blumenroether Germany 2013-2021 156  
  Ronald L. Fournier USA 1995-2021 154  
  Carmine   Marra Canada 2021-2021 145  
  Gergely   Nagy Australia 1995-2021 133  
27 Michael   Stephens Canada 2003-2021 132  
29 Richard   Brown Australia 2018-2021 117  
  Marius   Pirtac Romania 2011-2021 108  
  Saveliy A. Sementsov Russian Federation 2013-2021 108  
27 Susan E. L. Gagnon Canada 2020-2021 106  
  Brian   Chopp USA 2019-2021 104  
  Piotr   Majewski Poland 2019-2021 101  
  Dijar   Argyn Sweden 2014-2021 100  
               
  OVER 1 MILLION CCD OBSERVATIONS*  
05 Franz-Josef   Hambsch Belgium 2002-2021 4570017  
  Teofilo   Arranz Spain 2005-2021 1542499  
  Shawn   Dvorak USA 1981-2021 1521510  
  Gerard   Samolyk USA 1975-2021 1002207  
               
  OVER 900,000 CCD OBSERVATIONS*  
05 Tonny   Vanmunster Belgium 1976-2021 929702  
               
  OVER 800,000 CCD OBSERVATIONS*  
  Geoffrey   Stone USA 2016-2021 822205  
               
  OVER 600,000 CCD OBSERVATIONS*  
  Ray E. Tomlin USA 1989-2021 696196  
  David   Cejudo Fernandez Spain 2010-2021 662911  
  Gordon   Myers USA 2007-2021 623279  
               
  OVER 400,000 CCD OBSERVATIONS*  
  Joseph H. Ulowetz USA 2010-2021 401183  
               
  OVER 200,000 CCD OBSERVATIONS*  
05 Sjoerd   Dufoer Belgium 2001-2021 241341  
               
  OVER 100,000 CCD OBSERVATIONS*  
29 Thomas J. Richards Australia 1990-2021 111445  
  James B. McMath USA 1991-2021 100358  
               
  OVER 50,000 CCD OBSERVATIONS*  
  Walter R. Cooney USA 1999-2021 71072  
  Damien   Lemay Canada 1973-2021 61556  
  Franky M. Dubois Belgium 2014-2021 57291  
20 Steve J. Johnston United Kingdom 1994-2021 55117  
  Walter   MacDonald Canada 1982-2021 52124  
  Michael W. Richmond USA 2006-2021 50504        
               
  OVER 10,000 CCD OBSERVATIONS*  
  Neil B. Thomas USA 2020-2021 45260  
  Constantine   Belyakov Russian Federation 2021-2021 36254  
19 Magnus   Larsson Sweden 2005-2021 31538  
  Charles H. Cynamon USA 2017-2021 21468  
  Andrew   Pearce Australia 1989-2021 20621  
  Richard E. Schmidt USA 2018-2021 17176  
  Paul   Temple USA 1996-2021 17014  
  James   Pierce Australia 2020-2021 14561  
  Jerry   Philpot USA 2018-2021 14391  
  Filipp D. Romanov Russian Federation 2013-2021 12239  
  Igor   Yatsenkov Russian Federation 2014-2021 11912  
  Erik J. Schwendeman USA 1972-2021 11416  
  Horst   Braunwarth Germany 2014-2021 11268  
  Robert K. Buchheim USA 2005-2021 11016  
20 Graeme   Coates United Kingdom 2019-2021 10953  
  Cristian   Suciu Romania 2020-2021 10421  
  Thanasis F. Papadimitriou Greece 2012-2021 10274  
               
  OVER 1,000 CCD OBSERVATIONS*  
  Bogdan   Stanciu Romania 2019-2021 9870  
  Ralph   Rogge Germany 2005-2021 8134  
  Peter   Bealo USA 2020-2021 5472  
  Jari   Backman Finland 2020-2021 5004  
  Brian C. Ramey USA 2019-2021 4275  
  Adam M. Popowicz Poland 2011-2021 3513  
  Stephen C. Percy United Kingdom 2018-2021 3463  
32 Jean-Loius   Virlichie France 2019-2021 2789  
  Ian   Kemp Australia 2019-2021 2719  
  Dennis L. Means USA 1979-2021 2601  
  Henry   Sipes USA 2014-2021 2505  
18 Nicola   Montecchiari Italy 1989-2021 2338  
  Molly   Wakeling USA 2020-2021 2093  
  .   Al Sadeem Astronomy Obs. United Arab Emirates 2018-2021 1889  
  W. Allen Gilchrist USA 1988-2021 1889  
01 Jean-Jacques   Castellani France 2001-2021 1611  
  Stephen R. L. Futcher United Kingdom 2016-2021 1531  
28 Nestor   Suarez Argentina 2019-2021 1440  
  Gary   Hawkins   2021-2021 1392  
05 Hubert   Hautecler Belgium 1999-2021 1367  
  Enrique T. Boeneker Mexico 2019-2021 1346  
  Martin   Sblewski Germany 2015-2021 1289  
  Scott   Donnell USA 2001-2021 1271  
  James A. DeYoung USA 1975-2021 1235  
  Stefano   Lora Italy 2020-2021 1233  
  Anastasia   Perrotta Romania 2018-2021 1199  
  Remco   Kemperman Netherlands 2021-2021 1176  
31 John A. Hodge USA 1972-2021 1173  
  Timothy   Weaver USA 2019-2021 1135  
  Derek   O'Keeffe Ireland 2017-2021 1082  
  Olinici   Cosmin Romania 2021-2021 1034  
  Richard L. Tyson USA 1971-2021 1026  
20 Forrest   Sims USA 2020-2021 1007  
               
  OVER 20,000 PEP OBSERVATIONS*  
  Gerald   Persha USA 2013-2021 20956  
               
  OVER 1,000 PEP OBSERVATIONS*  
  Javier   De Elvas Spain 2016-2021 2351  
  Tom   Calderwood USA 2013-2021 1213  
               
  OVER 500 PEP OBSERVATIONS*  
04 Erwin   Van Ballegoij Netherlands 1984-2021 579  
  Richard P. Wasatonic USA 1990-2021 506  
               
  OVER 100 PEP OBSERVATIONS*  
  Pamela F. Morgan-McKee USA 2020-2021 108  
  Glenn L. Williams USA 1962-2021 105  
               
  OVER 10,000 DSLR OBSERVATIONS*  
  Gregory   Conrad USA 2018-2021 13105  
02 Bernhard   Wenzel Austria 2019-2021 11658  
  Wolfgang   Vollmann Austria 1975-2021 10053  
               
  OVER 5,000 DSLR OBSERVATIONS*  
29 Roy A. Axelsen Australia 2002-2021 5372  
  Richard   Biernikowicz Poland 2011-2021 5013  
               
  OVER 1,000 DSLR OBSERVATIONS*  
  .   Al Sadeem Astronomy Obs. United Arab Emirates 2018-2021 2581  
  Gerhard   Boesch Germany 2020-2021 2056  
  Robert K. Buchheim USA 2005-2021 1518  
02 Matthias W. Kolb Germany 2019-2021 1419  
               
  OVER 500 DSLR OBSERVATIONS*  
  Gerd   Wasem Germany 2020-2021 984  
  David   Mohrbacher USA 1975-2021 859  
  Michael P. Durkin USA 2009-2021 780  
  Bernhard   Jocham Austria 2019-2021 633  
03 Csaba   Kertesz Finland 2017-2021 562  
               
  OVER 100 DSLR OBSERVATIONS*  
  Antoni   Staszewski Poland 2021-2021 373  
  Steven C. Smith USA 2015-2021 363  
  Michael D. Freeberg USA 2020-2021 139  
  Giancarlo   Gotta Italy 2000-2021 118  
               
  Spectroscopy            
  OVER 2,000 SPECTROSCOPY OBSERVATIONS**  
  John F. Briol USA 2012-2021 2286 spectra  
               
  OVER 1,000 SPECTROSCOPY OBSERVATIONS**  
  James R. Foster USA 2002-2021 1149 spectra  
               
  OVER 500 SPECTROSCOPY OBSERVATIONS**  
  Wayne   Bailey USA 1973-2021 803 spectra  
               
  OVER 100 SPECTROSCOPY OBSERVATIONS**  
  Tim   Stone USA 2021-2022 236 spectra  
  Gianluca   Rossi Italy 2002-2021 233 spectra  
  David   Cejudo Fernandez Spain 2010-2021 225 spectra  
  David G. Iadevaia USA 1978-2021 145 spectra  
  Kevin   Gurney United Kingdom 2019-2021 141 spectra  
18 Alberto   Tomatis Italy 2015-2021 124 spectra  
               
  Exoplanets            
  OVER 100 EXOPLANET OBSERVATIONS***  
20 Martin   Fowler United Kingdom 2011-2021 121 exoplanet obs  
               
  OVER 50 EXOPLANET OBSERVATIONS***  
  Pablo   Lewin USA 2016-2021 57 exoplanet obs  
               

* Years include the total AAVSO observing interval (not only the years covering the category of award).
** Years include spectroscopy observations only.
*** Years include exoplanet observations only.
Total includes only the type of observations covered by the award.

A number preceding a name indicates observer is also affiliated with the group below:

| 01 | Association Française des Observateurs d'Étoiles Variables (AFOEV)
| 02 | Bundesdeutsche Arbeitsgemeinschaft für Veränderliche Sterne e.V.(Germany) (BAV)
| 03 | Magyar Csillagászati Egyesület, Változócsillag Szakcsoport (Hungary) (MCSE)
| 04 | Koninklijke Nederlandse Vereniging Voor Weer-en Sterrenkunde, Werkgroep
            Veranderlijke Sterren (Netherlands)  (KNVWS)
| 05 | Vereniging Voor Sterrenkunde, Werkgroep Veranderlijke Sterren (Belgium)  (VVS)
| 13 | Rede de Astronomia Observacional (Brazil) (REA)
| 18 | Unione Astrofili Italiani (Italy) (UAI)
| 19 | Svensk Amator Astronomisk Forening, variabelsektionen (Sweden) (SAAF)
| 20 | British Astronomical Association, Variable Star Section (BAA-VSS)
| 27 | Royal Astronomical Society of Canada
| 28 | Asociacion Argentina Amigos de la Astronomia (Buenos Aires, Argentina)
| 29 | Variable Stars South (VSS)
| 31 | Center for Backyard Astronomy (CBA)
| 32 | Groupe Europeen d'Observations Stellaires (GEOS)
| 40 | Astronomia Sigma Octante - Centro de Investigacion y Estudio en Astronomia (Bolivia)