Night Light of Zwingenberg (Hesse) from space (Germany) Src. Average luminocity for 10x10km area is 22.6711% and for 50x50km: 15.4401%.
Square area 10x10 km:
 2.67%
 4.28%
 2.14%
 2.94%
 0.53%
 4.41%
 2.01%
 2.81%
 4.01%
 30.35%
 43.85%Square area 50x50 km:
 2.81%
 3.02%
 1.08%
 1.35%
 1.47%
 1.41%
 1.69%
 1.95%
 5.12%
 15.53%
 64.58%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
50° 10' 34.7" North, 7° 54' 27.8" East
49° 43' 26" North, 8° 36' 39" East
49° 16' 2" North, 9° 18' 50.3" East
Some cities around Zwingenberg sort by population:
• Bensheim
		4.5 km =2.8 mi, 
173°
• Heppenheim an der Bergstrasse
		9.3 km =5.8 mi, 
170°
• Pfungstadt
		9.1 km =5.7 mi, 
356°
• Seeheim-Jugenheim
		5.4 km =3.4 mi, 
32°
• Lorsch
		8.8 km =5.5 mi, 
201°
• Alsbach-Hähnlein
		2 km =1.2 mi, 
326°
• Einhausen
		6.9 km =4.3 mi, 
220°
• Bickenbach
		4 km =2.5 mi, 
6°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016