Night Light of Cölbe (Hesse) from space (Germany) Src. Average luminocity for 10x10km area is 9.7045% and for 50x50km: 1.4158%.
Square area 10x10 km:
 1.26%
 0.98%
 0%
 1.12%
 2.24%
 2.38%
 1.4%
 1.82%
 0.7%
 5.74%
 82.35%Square area 50x50 km:
 0.19%
 0.22%
 0.04%
 0.16%
 0.34%
 0.16%
 0.14%
 0.22%
 0.11%
 0.6%
 97.8%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
51° 17' 34" North, 8° 4' 40.1" East
50° 51' 3.5" North, 8° 46' 51.3" East
50° 24' 17.8" North, 9° 29' 2.6" East
Some cities around Cölbe sort by population:
• Marburg an der Lahn
		4.7 km =2.9 mi, 
188°
• Stadtallendorf
		16.6 km =10.3 mi, 
100°
• Kirchhain
		10.7 km =6.6 mi, 
104°
• Biedenkopf
		18.8 km =11.7 mi, 
290°
• Gladenbach
		16.8 km =10.4 mi, 
236°
• Wetter
		7 km =4.3 mi, 
324°
• Lohra
		16.7 km =10.4 mi, 
218°
• Amöneburg
		11.7 km =7.3 mi, 
121°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016