Night Light of Edosaki (Ibaraki) from space (Japan) Src. Average luminocity for 10x10km area is 14.2601% and for 50x50km: 27.1604%.
Square area 10x10 km:
 0%
 1.47%
 0.92%
 0.55%
 2.93%
 2.93%
 2.38%
 4.4%
 3.48%
 17.22%
 63.74%Square area 50x50 km:
 2.26%
 3.88%
 2.56%
 3.51%
 4.6%
 5.5%
 6.25%
 6.57%
 10.32%
 12.28%
 42.27%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
36° 31' 1.7" North, 139° 36' 48.8" East
35° 57' 0" North, 140° 19' 0" East
35° 22' 43.5" North, 141° 1' 11.3" East
Some cities around Edosaki sort by population:
• RyĆ«gasaki
		13.2 km =8.2 mi, 
245°
• Katori-shi
		17.5 km =10.9 mi, 
109°
• Ushiku
		16.6 km =10.3 mi, 
276°
• Ami
		14 km =8.7 mi, 
311°
• Sawara
		18.1 km =11.2 mi, 
114°
• Inashiki
		0.9 km =0.6 mi, 
41°
• Naka
		17.5 km =10.9 mi, 
309°
• Fujishiro
		18.4 km =11.4 mi, 
258°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016