Night Light of Grafenau (Baden-Württemberg) from space (Germany) Src. Average luminocity for 10x10km area is 17.9673% and for 50x50km: 23.3281%.
Square area 10x10 km:
 0.89%
 0.6%
 2.38%
 2.68%
 2.08%
 3.87%
 1.19%
 5.36%
 7.29%
 23.07%
 50.6%Square area 50x50 km:
 3.93%
 4.83%
 2.14%
 2.44%
 3.24%
 2.69%
 2.96%
 3.4%
 6.5%
 13.96%
 53.92%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
49° 10' 33.8" North, 8° 12' 32.7" East
48° 42' 51.4" North, 8° 54' 43.9" East
48° 14' 53.5" North, 9° 36' 55.2" East
Some cities around Grafenau sort by population:
• Sindelfingen
		7.8 km =4.8 mi, 
101°
• Böblingen
		8.1 km =5 mi, 
116°
• Weil der Stadt
		4.9 km =3 mi, 
322°
• Renningen
		6.5 km =4 mi, 
17°
• Gärtringen
		8.1 km =5 mi, 
185°
• Aidlingen
		4.2 km =2.6 mi, 
197°
• Magstadt
		5.2 km =3.2 mi, 
49°
• Ehningen
		6.5 km =4 mi, 
160°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016