Night Light of Herrenberg (Baden-Württemberg) from space (Germany) Src. Average luminocity for 10x10km area is 9.1577% and for 50x50km: 13.5311%.
Square area 10x10 km:
 0.15%
 0.6%
 1.04%
 1.04%
 1.34%
 1.93%
 1.04%
 2.53%
 2.38%
 4.76%
 83.18%Square area 50x50 km:
 2.24%
 2.41%
 1.29%
 1.51%
 1.7%
 1.52%
 1.69%
 1.95%
 4.11%
 8.87%
 72.71%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
49° 3' 29.2" North, 8° 9' 48.1" East
48° 35' 42.8" North, 8° 51' 59.3" East
48° 7' 41" North, 9° 34' 10.6" East
Some cities around Herrenberg sort by population:
• Nagold
		11.7 km =7.3 mi, 
244°
• Gärtringen
		5.8 km =3.6 mi, 
25°
• Holzgerlingen
		11.7 km =7.3 mi, 
65°
• Wildberg
		9.5 km =5.9 mi, 
289°
• Aidlingen
		9.5 km =5.9 mi, 
12°
• Ehningen
		9 km =5.6 mi, 
37°
• Bondorf
		8.6 km =5.3 mi, 
194°
• Nufringen
		3.5 km =2.2 mi, 
29°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016