Night Light of Feldkirch (Vorarlberg) from space (Austria) Src. Average luminocity for 10x10km area is 20.8497% and for 50x50km: 7.5754%.
Square area 10x10 km:
 0.6%
 1.49%
 0.74%
 5.65%
 4.17%
 4.02%
 3.57%
 4.46%
 1.49%
 22.92%
 50.89%Square area 50x50 km:
 0.38%
 0.89%
 0.59%
 1.02%
 1.34%
 1.14%
 1.47%
 1.23%
 1.88%
 7.39%
 82.68%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
47° 42' 30" North, 8° 53' 48.7" East
47° 13' 59" North, 9° 36' 0" East
46° 45' 12.5" North, 10° 18' 11.3" East
Some cities around Feldkirch sort by population:
• Rankweil
		5.3 km =3.3 mi, 
37°
• Frastanz
		2.9 km =1.8 mi, 
127°
• Eschen, LI
		6.4 km =4 mi, 
247°
• Mauren, LI
		4.5 km =2.8 mi, 
248°
• Ruggell, LI
		5.7 km =3.5 mi, 
275°
• Gamprin, LI
		7 km =4.3 mi, 
258°
• Schellenberg, LI
		4 km =2.5 mi, 
267°
• Planken, LI
		6.8 km =4.2 mi, 
218°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016