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Two years Night Sky Brightness measurements in The Netherlands | Pamplona 13-09-20131
The Netherlands
Two years Night Sky Brightness measurements in The Netherlands | Pamplona 13-09-2013
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Sky Brightness Network:
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Sky Brightness Network - Urban
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Sky Brightness Network - Rural
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Sky Brightness Network - Nature
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Sky Brightness Network - Instrumentation
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Sky Brightness Network - locations
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Sky Brightness Network - calibration
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Sky Brightness Network - uptime
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0.1 1 10 100 10000
10k
20kCloudy? Clear?
Luminance (mCd/m2)
Yie
ld
Springendal
Schiermonnikoog
0
10k
0
10kRadio Kootwijk
0
10kArkemheen
0
10kCabauw
0
10kArnhem
0
10kCloudy sky
Clear skyUtrecht
0
10kexpected
Vlaardingen
0
10kAMBM
Schipluiden
Sky Brightness Network - measurements
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Sky Brightness Network - Results
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• Night Sky Brightness and variability behave as expected: low at remote areas and high in cities and industrial areas.• Human behaviour results in lowest luminances during first hours of a new day.• Implementation of legislation on light emissions yields clear signals in the monitoring data. • A simple power law is established between luminance levels under clear sky and solid overcast.• Long-term monitoring can improve sky brightness modeling.
