Night Light of Langenthal (Bern) from space (Switzerland) Src. Average luminocity for 10x10km area is 15.3973% and for 50x50km: 11.6235%.
Square area 10x10 km:
 1.04%
 1.34%
 1.19%
 0.89%
 2.83%
 2.83%
 3.42%
 4.02%
 0.74%
 12.5%
 69.2%Square area 50x50 km:
 0.98%
 1.59%
 0.73%
 1.12%
 1.83%
 1.75%
 1.92%
 2.04%
 3.44%
 11.11%
 73.5%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
47° 41' 26.6" North, 7° 5' 34.6" East
47° 12' 54.9" North, 7° 47' 45.9" East
46° 44' 7.8" North, 8° 29' 57.1" East
Some cities around Langenthal sort by population:
• Olten
		17 km =10.6 mi, 
28°
• Zofingen
		13.9 km =8.6 mi, 
54°
• Oftringen
		14.7 km =9.1 mi, 
41°
• Rothrist
		12.3 km =7.6 mi, 
35°
• Aarburg
		14.1 km =8.8 mi, 
33°
• Derendingen
		15.8 km =9.8 mi, 
263°
• Balsthal
		13.6 km =8.5 mi, 
325°
• Herzogenbuchsee
		7.4 km =4.6 mi, 
245°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016