Night Light of Tønder (South Denmark) from space (Denmark) Src. Average luminocity for 10x10km area is 4.4964% and for 50x50km: 0.3484%.
Square area 10x10 km:
 0.24%
 0.48%
 0.72%
 0.6%
 1.2%
 1.32%
 1.08%
 0.12%
 0%
 0%
 94.26%Square area 50x50 km:
 0.01%
 0.03%
 0.06%
 0.06%
 0.05%
 0.11%
 0.08%
 0.06%
 0.06%
 0%
 99.47%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
55° 20' 6" North, 8° 9' 49" East
54° 55' 59" North, 8° 52' 0.3" East
54° 31' 37.4" North, 9° 34' 11.5" East
Some cities around Tønder sort by population:
• Harrislee, DE
		36.2 km =22.5 mi, 
114°
• Westerland, DE
		36.1 km =22.4 mi, 
265°
• Niebüll, DE
		16.5 km =10.3 mi, 
188°
• Leck, DE
		19.9 km =12.4 mi, 
158°
• Handewitt, DE
		35.1 km =21.8 mi, 
121°
• Sylt-Ost, DE
		30.2 km =18.8 mi, 
254°
• Rødekro
		33.6 km =20.9 mi, 
62°
• Bredstedt, DE
		35.5 km =22.1 mi, 
169°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016