Night Light of Holzgerlingen (Baden-Württemberg) from space (Germany) Src. Average luminocity for 10x10km area is 27.7351% and for 50x50km: 23.4751%.
Square area 10x10 km:
 3.13%
 6.7%
 1.93%
 3.42%
 1.64%
 1.04%
 3.42%
 3.13%
 18.3%
 27.08%
 30.21%Square area 50x50 km:
 4.02%
 4.48%
 1.93%
 2.62%
 3.26%
 3.08%
 2.83%
 3.66%
 6.96%
 14.88%
 52.29%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
49° 6' 7.8" North, 8° 18' 30.1" East
48° 38' 22.9" North, 9° 0' 41.4" East
48° 10' 22.5" North, 9° 42' 52.6" East
Some cities around Holzgerlingen sort by population:
• Sindelfingen
		6.7 km =4.2 mi, 
3°
• Böblingen
		4.7 km =2.9 mi, 
0°
• Gärtringen
		8.1 km =5 mi, 
271°
• Schönaich
		4.2 km =2.6 mi, 
59°
• Weil im Schönbuch
		4.3 km =2.7 mi, 
116°
• Ehningen
		5.6 km =3.5 mi, 
292°
• Steinenbronn
		8.3 km =5.2 mi, 
68°
• Dettenhausen
		7.4 km =4.6 mi, 
118°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016