Night Light of Shōbu (Saitama) from space (Japan) Src. Average luminocity for 10x10km area is 56.8498% and for 50x50km: 60.0227%.
Square area 10x10 km:
 2.75%
 3.85%
 6.04%
 10.62%
 18.13%
 20.33%
 19.23%
 16.48%
 2.56%
 0%
 0%Square area 50x50 km:
 8.73%
 11.97%
 7.68%
 9.15%
 13.38%
 10.72%
 10.93%
 11.19%
 9.97%
 6.26%
 0.03%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
36° 37' 58.7" North, 138° 53' 48.8" East
36° 4' 0" North, 139° 36' 0" East
35° 29' 46.5" North, 140° 18' 11.3" East
Some cities around Shōbu sort by population:
• Ageoshimo
		10.7 km =6.6 mi, 
173°
• Kōnosu
		7.5 km =4.7 mi, 
271°
• Okegawa
		8.4 km =5.2 mi, 
207°
• Kukichūō
		6.7 km =4.2 mi, 
89°
• Kazo
		5.6 km =3.5 mi, 
0°
• Satte
		11.4 km =7.1 mi, 
86°
• Shiraoka
		7.6 km =4.7 mi, 
134°
• Kisai
		4 km =2.5 mi, 
337°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016