Night Light of Büttelborn (Hesse) from space (Germany) Src. Average luminocity for 10x10km area is 24.7339% and for 50x50km: 27.4545%.
Square area 10x10 km:
 2.94%
 3.5%
 1.26%
 3.22%
 3.5%
 2.1%
 2.94%
 2.94%
 5.74%
 50.42%
 21.43%Square area 50x50 km:
 6.35%
 6.11%
 2.07%
 2.21%
 2.7%
 2.38%
 3.32%
 4.67%
 9.37%
 16.34%
 44.49%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
50° 21' 14.7" North, 7° 49' 12.8" East
49° 54' 12" North, 8° 31' 24" East
49° 26' 54" North, 9° 13' 35.3" East
Some cities around Büttelborn sort by population:
• Darmstadt
		9.8 km =6.1 mi, 
111°
• Mörfelden-Walldorf
		11 km =6.8 mi, 
22°
• Griesheim
		5.9 km =3.7 mi, 
143°
• Weiterstadt
		4.7 km =2.9 mi, 
89°
• Groß-Gerau
		3.5 km =2.2 mi, 
304°
• Riedstadt
		7.9 km =4.9 mi, 
194°
• Trebur
		8.7 km =5.4 mi, 
287°
• Erzhausen
		10.6 km =6.6 mi, 
56°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016