Night Light of Karasuyama (Tochigi) from space (Japan) Src. Average luminocity for 10x10km area is 4.8022% and for 50x50km: 11.8317%.
Square area 10x10 km:
 0%
 0% 0.73%
 0.73% 0.73%
 0.73% 0%
 0% 0%
 0% 1.65%
 1.65% 1.28%
 1.28% 0.73%
 0.73% 3.66%
 3.66% 0.73%
 0.73% 90.48%
 90.48%Square area 50x50 km:
 1.05%
 1.05% 1.77%
 1.77% 0.73%
 0.73% 1.42%
 1.42% 1.73%
 1.73% 2.18%
 2.18% 2.28%
 2.28% 2.72%
 2.72% 4.57%
 4.57% 7.67%
 7.67% 73.87%
 73.87%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
37° 12' 43.3" North, 139° 26' 48.8" East
36° 39' 0" North, 140° 9' 0" East
36° 5' 1.8" North, 140° 51' 11.3" East
Some cities around Karasuyama sort by population:
• Utsunomiya
		25.5 km =15.8 mi,  248°
248°
• Ōtawara
		26.2 km =16.3 mi,  336°
336°
• Yaita
		25.5 km =15.8 mi,  310°
310°
• Ujiie
		16.8 km =10.4 mi,  282°
282°
• Ōmiya
		26.3 km =16.3 mi,  115°
115°
• Mashiko
		20.9 km =13 mi,  192°
192°
• Daigo
		22 km =13.7 mi,  53°
53°
• Motegi
		15.1 km =9.4 mi,  168°
168°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016