Night Light of Ashikaga (Tochigi) from space (Japan) Src. Average luminocity for 10x10km area is 61.799% and for 50x50km: 35.4503%.
Square area 10x10 km:
 3.67%
 14.34%
 11.54%
 14.34%
 12.76%
 9.79%
 11.71%
 3.67%
 12.94%
 5.24%
 0%Square area 50x50 km:
 2.29%
 6.19%
 4.59%
 5.09%
 6.25%
 8.11%
 9.22%
 8.9%
 8.87%
 10.31%
 30.19%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
36° 53' 51.7" North, 138° 44' 48.8" East
36° 19' 60" North, 139° 27' 0" East
35° 45' 53.5" North, 140° 9' 11.3" East
Some cities around Ashikaga sort by population:
• Ōta
		8.3 km =5.2 mi, 
243°
• Kiryū
		12.8 km =8 mi, 
305°
• Sano
		12.1 km =7.5 mi, 
98°
• Tatebayashi
		11.9 km =7.4 mi, 
141°
• Sakai-nakajima
		19.4 km =12.1 mi, 
247°
• Tanuma
		12.5 km =7.8 mi, 
72°
• Menuma
		13.8 km =8.6 mi, 
206°
• Ōmamachō-ōmama
		19.1 km =11.9 mi, 
305°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016