Night Light of Bolligen (Bern) from space (Switzerland) Src. Average luminocity for 10x10km area is 40.9602% and for 50x50km: 9.9722%.
Square area 10x10 km:
 6.25%
 10.51%
 5.68%
 5.82%
 4.83%
 3.69%
 5.4%
 4.12%
 11.08%
 17.19%
 25.43%Square area 50x50 km:
 0.94%
 1.45%
 0.96%
 0.89%
 1.24%
 1.37%
 1.71%
 1.69%
 2.92%
 9.49%
 77.33%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
47° 27' 9.7" North, 6° 47' 37.8" East
46° 58' 30.4" North, 7° 29' 49.1" East
46° 29' 35.5" North, 8° 12' 0.3" East
Some cities around Bolligen sort by population:
• Bern
		4.8 km =3 mi, 
231°
• Köniz
		8.4 km =5.2 mi, 
227°
• Muri
		4.9 km =3 mi, 
189°
• Worb
		7.1 km =4.4 mi, 
135°
• Münchenbuchsee
		6.3 km =3.9 mi, 
325°
• Belp
		9.3 km =5.8 mi, 
179°
• Zollikofen
		4 km =2.5 mi, 
312°
• Urtenen
		5.7 km =3.5 mi, 
2°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016