Mitsukaidō night lights from space
Night Light of Mitsukaidō (Ibaraki) from space (Japan) Src. Average luminocity for 10x10km area is 38.7509% and for 50x50km: 49.8867%.
Analysis of Mitsukaidō night lights 2016
Square area 10x10 km:
100 
1.83%
90-99 5.31%
80-89 2.75%
70-79 3.3%
60-69 3.85%
50-59 6.04%
40-49 5.49%
30-39 23.44%
20-29 37.18%
10-19 10.81%
0-9 0%
1.83%90-99
5.31%80-89
2.75%70-79
3.3%60-69
3.85%50-59
6.04%40-49
5.49%30-39
23.44%20-29
37.18%10-19
10.81%0-9
0%Square area 50x50 km:
100 8.79%
90-99 10.04%
80-89 5.01%
70-79 6.01%
60-69 8.36%
50-59 8.12%
40-49 8.69%
30-39 9.94%
20-29 13.09%
10-19 15.35%
0-9 6.59%
8.79%90-99
10.04%80-89
5.01%70-79
6.01%60-69
8.36%50-59
8.12%40-49
8.69%30-39
9.94%20-29
13.09%10-19
15.35%0-9
6.59%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
36° 34' 60" North, 139° 16' 48.8" East
36° 1' 0" North, 139° 58' 60" East
35° 26' 45.2" North, 140° 41' 11.3" East
Some cities around Mitsukaidō sort by population:
• Noda
12.8 km =8 mi, 
234°
• Toride
15.8 km =9.8 mi, 
145°
• Ushiku
14.6 km =9.1 mi, 
112°
• Moriya
9.4 km =5.8 mi, 
170°
• Naka
16.9 km =10.5 mi, 
77°
• Iwai
8.4 km =5.2 mi, 
296°
• Fujishiro
16.4 km =10.2 mi, 
132°
• Ishige
11.2 km =7 mi, 
352°
1856881 (p: 41,147)
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016