Night Light of Shiki (Saitama) from space (Japan) Src. Average luminocity for 10x10km area is 92.5122% and for 50x50km: 84.5624%.
Square area 10x10 km:
 37.59%
 31.99%
 16.96%
 9.97%
 3.5%
 0%
 0%
 0%
 0%
 0%
 0%Square area 50x50 km:
 41.06%
 18.79%
 8.13%
 7.88%
 9.8%
 5.78%
 3.79%
 2.66%
 1.57%
 0.55%
 0%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
36° 24' 4.8" North, 138° 52' 48.8" East
35° 49' 60" North, 139° 34' 60" East
35° 15' 40.5" North, 140° 17' 11.3" East
Some cities around Shiki sort by population:
• Saitama
		10.6 km =6.6 mi, 
38°
• Yono
		7.2 km =4.5 mi, 
39°
• Tokorozawa
		11 km =6.8 mi, 
249°
• Asaka
		3.6 km =2.2 mi, 
152°
• Shimotoda
		9.4 km =5.8 mi, 
102°
• Wako
		6.1 km =3.8 mi, 
143°
• Kamifukuoka
		7.6 km =4.7 mi, 
304°
• Ōi
		6 km =3.7 mi, 
288°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016