Tatsuno night lights from space
Night Light of Tatsuno (Nagano) from space (Japan) Src. Average luminocity for 10x10km area is 5.1264% and for 50x50km: 5.6269%.
Analysis of Tatsuno night lights 2016
Square area 10x10 km:
100 
0%
90-99 0.55%
80-89 0.92%
70-79 0.18%
60-69 1.28%
50-59 0.73%
40-49 0.73%
30-39 0.73%
20-29 1.47%
10-19 0%
0-9 93.41%
0%90-99
0.55%80-89
0.92%70-79
0.18%60-69
1.28%50-59
0.73%40-49
0.73%30-39
0.73%20-29
1.47%10-19
0%0-9
93.41%Square area 50x50 km:
100 0.2%
90-99 0.6%
80-89 0.65%
70-79 0.49%
60-69 0.93%
50-59 0.86%
40-49 1.37%
30-39 1.05%
20-29 1.65%
10-19 4.76%
0-9 87.45%
0.2%90-99
0.6%80-89
0.65%70-79
0.49%60-69
0.93%50-59
0.86%40-49
1.37%30-39
1.05%20-29
1.65%10-19
4.76%0-9
87.45%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
36° 33' 4.2" North, 137° 17' 38.7" East
35° 59' 3.3" North, 137° 59' 50" East
35° 24' 47.7" North, 138° 42' 1.2" East
Some cities around Tatsuno sort by population:
• Matsumoto
27.8 km =17.3 mi, 
354°
• Shiojiri
13.2 km =8.2 mi, 347°
• Ina
17.9 km =11.1 mi, 
192°
• Chino
14.2 km =8.8 mi, 
85°
• Suwa
12 km =7.5 mi, 
60°
• Okaya
9.1 km =5.7 mi, 
28°
• Hokuto
39.6 km =24.6 mi, 
114°
• Toyoshina
36.1 km =22.4 mi, 346°
1850498 (p: 21,499)
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016