Night Light of Sitten (Valais) from space (Switzerland) Src. Average luminocity for 10x10km area is 31.4435% and for 50x50km: 5.0568%.
Square area 10x10 km:
 3.27%
 5.95%
 3.72%
 3.13%
 5.65%
 3.87%
 2.23%
 4.61%
 4.91%
 47.02%
 15.63%Square area 50x50 km:
 0.35%
 0.67%
 0.46%
 0.52%
 0.63%
 1.04%
 0.92%
 0.69%
 0.96%
 4.46%
 89.29%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
46° 42' 42" North, 6° 39' 8.9" East
46° 13' 38.6" North, 7° 21' 20.1" East
45° 44' 19.7" North, 8° 3' 31.4" East
Some cities around Sitten sort by population:
• Sierre
		15.6 km =9.7 mi, 
62°
• Martigny-Ville
		25.8 km =16 mi, 
237°
• Conthey
		4.1 km =2.5 mi, 
264°
• Bagnes
		19.3 km =12 mi, 
213°
• Bex
		26.7 km =16.6 mi, 
275°
• Fully
		21 km =13 mi, 
241°
• Savièse
		2.8 km =1.7 mi, 
343°
• Basse-Nendaz
		5.3 km =3.3 mi, 
218°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016