Night Light of Zuchwil (Solothurn) from space (Switzerland) Src. Average luminocity for 10x10km area is 38.3795% and for 50x50km: 11.6075%.
Square area 10x10 km:
 5.36%
 6.99%
 4.46%
 4.46%
 4.91%
 5.51%
 5.51%
 5.8%
 11.31%
 38.69%
 6.99%Square area 50x50 km:
 1.05%
 1.59%
 1%
 1.04%
 1.45%
 1.5%
 1.8%
 2.12%
 2.86%
 11.31%
 74.28%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
47° 40' 38.3" North, 6° 51' 48.1" East
47° 12' 6.2" North, 7° 33' 59.4" East
46° 43' 18.7" North, 8° 16' 10.6" East
Some cities around Zuchwil sort by population:
• Grenchen
		12.9 km =8 mi, 
265°
• Solothurn
		2.3 km =1.4 mi, 
287°
• Biberist
		2.4 km =1.5 mi, 
187°
• Lengnau
		15.2 km =9.4 mi, 
261°
• Derendingen
		1.7 km =1.1 mi, 
102°
• Balsthal
		15.9 km =9.9 mi, 
36°
• Herzogenbuchsee
		10.7 km =6.6 mi, 
98°
• Kirchberg
		13 km =8.1 mi, 
174°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016