Night Light of Schwalmstadt (Hesse) from space (Germany) Src. Average luminocity for 10x10km area is 0.8768% and for 50x50km: 0.9437%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0.56%
 0.14%
 0.42%
 0%
 0%
 0.98%
 97.9%Square area 50x50 km:
 0.12%
 0.17%
 0.13%
 0.12%
 0.12%
 0.11%
 0.1%
 0.13%
 0.25%
 0.2%
 98.55%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
51° 22' 27.7" North, 8° 30' 48.7" East
50° 55' 60" North, 9° 13' 0" East
50° 29' 17.1" North, 9° 55' 11.2" East
Some cities around Schwalmstadt sort by population:
• Stadtallendorf
		18.9 km =11.7 mi, 
229°
• Alsfeld
		20.5 km =12.7 mi, 
169°
• Homberg
		16.9 km =10.5 mi, 
50°
• Borken
		13.3 km =8.3 mi, 
20°
• Neustadt (Hessen)
		11.6 km =7.2 mi, 
217°
• Frielendorf
		8.5 km =5.3 mi, 
60°
• Neukirchen
		11.6 km =7.2 mi, 
128°
• Willingshausen
		9.3 km =5.8 mi, 
187°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016