Night Light of Erzhausen (Hesse) from space (Germany) Src. Average luminocity for 10x10km area is 25.3529% and for 50x50km: 28.5718%.
Square area 10x10 km:
 1.96%
 1.82%
 3.5%
 1.82%
 2.1%
 2.1%
 4.2%
 2.52%
 13.03%
 57.28%
 9.66%Square area 50x50 km:
 5.95%
 5.74%
 2.38%
 2.71%
 3.44%
 2.81%
 3.75%
 4.73%
 10.32%
 16.96%
 41.2%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
50° 24' 19.9" North, 7° 56' 39.8" East
49° 57' 19" North, 8° 38' 51" East
49° 30' 2.8" North, 9° 21' 2.3" East
Some cities around Erzhausen sort by population:
• Darmstadt
		9.3 km =5.8 mi, 
178°
• Dreieich
		8 km =5 mi, 
25°
• Langen
		4.1 km =2.5 mi, 
21°
• Neu Isenburg
		10.9 km =6.8 mi, 
17°
• Mörfelden-Walldorf
		6.3 km =3.9 mi, 
313°
• Weiterstadt
		7.1 km =4.4 mi, 
216°
• Büttelborn
		10.6 km =6.6 mi, 
236°
• Egelsbach
		1.8 km =1.1 mi, 
38°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016