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AAVSO 97th SPRING MEETING,
CAMBRIDGE, ENGLAND, APRIL 10-13, 2008
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OVER 250,000 VISUAL OBSERVATIONS* |
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Albert F. Jones |
New Zealand |
1960-2007 |
277,351 |
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OVER 200,000 VISUAL OBSERVATIONS*
none |
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OVER 150,000 VISUAL OBSERVATIONS* |
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Paul Vedrenne |
France |
1978-2007 |
152,455 |
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OVER 100,000 VISUAL OBSERVATIONS* |
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Peter Williams |
Australia |
1989-2007 |
102,130 |
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Eddy Muyllaert |
Belgium |
1986-2007 |
100,073 |
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OVER 50,000 VISUAL OBSERVATIONS* |
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Alexander W. Roberts |
South Africa |
1894-1920 |
66,374 (historical data) |
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Gordon C. Herdman |
New Zealand |
1989-2007 |
53,116 |
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OVER 25,000 VISUAL OBSERVATIONS* |
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N. W. Taylor |
Australia |
1989-2007 |
49,094 |
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O. R. Hull |
New Zealand |
1989-2007 |
43,475 |
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Barry Menzies |
New Zealand |
2007-2007 |
31,741 |
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Hiroshi Matsuyama |
Japan |
1978-2007 |
29,030 |
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W. Goltz |
Australia |
1989-2007 |
28,326 |
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George Stefanopoulos |
Greece |
1970-2007 |
25,376 |
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Frans R. Van Loo |
Belgium |
1976-2007 |
25,298 |
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OVER 10,000 VISUAL OBSERVATIONS* |
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Franck Gobet |
France |
2003-2007 |
14,840 |
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George Vithoulkas |
Greece |
1999-2007 |
11,550 |
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Emilian Skrzynecki |
Poland |
2002-2007 |
10,969 |
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Tomasz Krzyt |
Poland |
1997-2007 |
10,777 |
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Daniel P. Loring |
USA |
1965-2007 |
10,338 |
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OVER 300,000 CCD/PEP OBSERVATIONS*
none |
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OVER 250,000 CCD/PEP OBSERVATIONS* |
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Christopher T. Middleton |
South Africa |
2004-2007 |
265,227 CCD |
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OVER 200,000 CCD/PEP OBSERVATIONS*
none |
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OVER 150,000 CCD/PEP OBSERVATIONS* |
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Libert A. G. Monard |
South Africa |
1992-2007 |
167,834 CCD |
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Gerard Samolyk |
USA |
1975-2007 |
175,474 CCD |
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Robert A. James |
USA |
1953-2007 |
163,412 CCD |
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Vance Petriew |
Canada |
2001-2007 |
152,111 CCD |
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OVER 100,000 CCD/PEP OBSERVATIONS* |
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Shawn W. Dvorak |
USA |
1981-2007 |
109,418 CCD |
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OVER 50,000 CCD/PEP OBSERVATIONS* |
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Giorgio Di Scala |
Australia |
2004-2007 |
60,764 CCD |
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Timothy Crawford |
USA |
2001-2007 |
56,669 CCD |
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Neil D. Butterworth |
Australia |
2002-2007 |
50,283 CCD |
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OVER 25,000 CCD/PEP OBSERVATIONS* |
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Thomas Krajci |
USA |
2002-2007 |
38,873 CCD |
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Arto Oksanen |
Finland |
2001-2007 |
36,024 CCD |
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James L. Jones |
USA |
2003-2007 |
34,571 CCD |
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Robert Koff |
USA |
2003-2007 |
27,243 CCD |
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Keith A. Graham |
USA |
1981-2007 |
25,242 CCD |
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Pierre De Ponthiere |
Belgium |
2003-2007 |
25,090 CCD |
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OVER 10,000 CCD/PEP OBSERVATIONS* |
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Jerry Bialozynski |
USA |
2004-2007 |
22,652 CCD |
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Ray E. Tomlin |
USA |
2006-2007 |
19,685 CCD |
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Jeremy Shears |
England |
2004-2007 |
16,564 CCD |
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Patrick Wiggins |
USA |
2000-2007 |
15,122 CCD |
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Michael Koppelman |
USA |
2001-2007 |
12,194 CCD |
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Martin Nicholson |
England |
2004-2007 |
11,732 CCD |
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OVER 5,000 CCD/PEP OBSERVATIONS*
none |
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OVER 2,500 CCD/PEP OBSERVATIONS*
none |
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OVER 1,000 CCD/PEP OBSERVATIONS* |
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James H. Fox |
USA |
1999-2007 |
1,064 PEP |
* Years include total AAVSO observing interval (not only PEP/CCD observing).
Total includes PEP and/or CCD observations only (not observer's visual
contributions).
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