Night Light of Urtenen (Bern) from space (Switzerland) Src. Average luminocity for 10x10km area is 17.5128% and for 50x50km: 11.6767%.
Square area 10x10 km:
 1.42%
 1.7%
 1.85%
 2.27%
 2.13%
 0.99%
 3.98%
 3.27%
 7.95%
 15.48%
 58.95%Square area 50x50 km:
 1.09%
 1.71%
 1.14%
 1.14%
 1.41%
 1.59%
 1.95%
 1.96%
 3.29%
 10.83%
 73.9%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
47° 30' 13.7" North, 6° 47' 51.7" East
47° 1' 36" North, 7° 30' 2.9" East
46° 32' 42.8" North, 8° 12' 14.2" East
Some cities around Urtenen sort by population:
• Bern
		9.6 km =6 mi, 
204°
• Burgdorf
		10.3 km =6.4 mi, 
69°
• Muri
		10.7 km =6.6 mi, 
185°
• Worb
		11.8 km =7.3 mi, 
156°
• Münchenbuchsee
		3.9 km =2.4 mi, 
261°
• Zollikofen
		4.5 km =2.8 mi, 
226°
• Bolligen
		5.7 km =3.5 mi, 
182°
• Kirchberg
		9 km =5.6 mi, 
43°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016