Zutphen night lights from space
Night Light of Zutphen (Gelderland) from space (Netherlands) Src. Average luminocity for 10x10km area is 19.9788% and for 50x50km: 12.6169%.
Analysis of Zutphen night lights 2016
Square area 10x10 km:
100 
2.78%
90-99 2.65%
80-89 1.32%
70-79 3.84%
60-69 4.1%
50-59 1.72%
40-49 2.38%
30-39 0.53%
20-29 1.32%
10-19 23.41%
0-9 55.95%
2.78%90-99
2.65%80-89
1.32%70-79
3.84%60-69
4.1%50-59
1.72%40-49
2.38%30-39
0.53%20-29
1.32%10-19
23.41%0-9
55.95%Square area 50x50 km:
100 1.52%
90-99 2.1%
80-89 1.53%
70-79 1.51%
60-69 1.62%
50-59 1.77%
40-49 1.32%
30-39 1.56%
20-29 3.03%
10-19 10.57%
0-9 73.45%
1.52%90-99
2.1%80-89
1.53%70-79
1.51%60-69
1.62%50-59
1.77%40-49
1.32%30-39
1.56%20-29
3.03%10-19
10.57%0-9
73.45%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 34' 4" North, 5° 29' 53.8" East
52° 8' 18" North, 6° 12' 5" East
51° 42' 16.9" North, 6° 54' 16.3" East
Some cities around Zutphen sort by population:
• Deventer
13.2 km =8.2 mi, 
348°
• Brummen
6.2 km =3.9 mi, 
210°
• Dieren
11.8 km =7.3 mi, 
215°
• Twello
12.8 km =8 mi, 
328°
• Lochem
14.5 km =9 mi, 
80°
• Eerbeek
10.4 km =6.5 mi, 
249°
• Leesten
2.4 km =1.5 mi, 
118°
• Warnsveld
2 km =1.2 mi, 
92°
2743608 (p: 36,188)
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016