20 Visual Years by Koen Miskotte


20 Years of Visual Observations by Koen Miskotte


The table shows the observing activities over the last 20 years. Note I did not observe during 1987 after three very succesfull years.
The period 1980 through 1983 marks the "learning" years in Holland as well as in Puimichel, France. Many activities occured in 1984 and 1985 when observations were carried out not only in the Netherlands but also in Puimichel. In 1986 most observations (85%) were performed in Puimichel.
After the "sabattical" year 1987 one will notice a gradual improvement during 1988 - 1991 when most observations are from Harderwijk, the Netherlands.
1993 marks the beginning of an "era" of expeditions to France (1993 and 1996), Spain (1995 and 1999) and of cource the great Sino-Dutch Leonid Expedition '98.

In total one quarter of all observating time Teff is acquired from outside the Netherlands. About 47% of all observed meteors are acquired during the expeditions.

Weather in the Netherlands often is bad. Observers located in countries with a continental climate have a sure advantage.
Over the last five years Koen has succeeded in oberving meteors during almost every clear night in the Netherlands. The maximum number of observing hours in the Netherlands is between 80 and 120.


Koen Miskotte

Leonid Expedition
Alcudia de Guadix
Andalucia, Spain
November 1995
Koen Miskotte at the DMS Leonid Expedition in Alcudia de Guadix, Andalucia, Spain - 1995 For more info regarding observations
of members of team Delphinus

(Koen Miskotte, Robert Haas,
Marco Langbroek, Casper ter Kuile)


please consult our Delphinus website.


Koen Miskotte: 20 years of meteorobserving
Number of Nights per Year

Koen Miskotte: Number of Nights per Years


Koen Miskotte: 20 years of meteorobserving
Effective observing time in hours per Year

Koen Miskotte: Effective observing time per Year

Koen Miskotte: 20 years of meteorobserving
Total number of observed meteors per Year

Koen Miskotte: Total number of observed meteors per Year


Koen Miskotte: 20 years of meteorobserving
Observed major streams during 1980 - 1989

Koen Miskotte: Observed major streams during 1980 - 1989


Koen Miskotte: 20 years of meteorobserving
Observed major streams during 1990 - 1999

Koen Miskotte: Observed major streams during 1990 - 1999


Koen Miskotte: 20 years of meteorobserving
Number of observed meteors per major stream

Koen Miskotte: Number of observed meteors per major stream


Koen Miskotte: 20 years of meteorobserving
Observed minor streams during 1980 - 1989

Koen Miskotte: Observed minor streams during 1980 - 1989


Koen Miskotte: 20 years of meteorobserving
Observed minor streams during 1990 - 1999

Koen Miskotte: Observed minor streams during 1990 - 1999


Koen Miskotte: 20 years of meteorobserving
Number of observed meteors per minor stream

Koen Miskotte: Number of observed meteors per minor stream



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Koen Miskotte and Casper ter Kuile