Night Light of Saku (Nagano) from space (Japan) Src. Average luminocity for 10x10km area is 15.3479% and for 50x50km: 5.1637%.
Square area 10x10 km:
0%
1.92%
1.4%
2.45%
4.02%
1.05%
2.1%
1.75%
2.8%
19.58%
62.94%Square area 50x50 km:
0.11%
0.53%
0.71%
0.64%
0.84%
0.83%
0.77%
1.14%
1.86%
4.58%
87.99%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
36° 46' 54.8" North, 137° 46' 48.8" East
36° 13' 0" North, 138° 28' 60" East
35° 38' 50.4" North, 139° 11' 11.3" East
Some cities around Saku sort by population:
• Ueda
27.5 km =17.1 mi,
318°
• Chino
38.5 km =23.9 mi,
230°
• Suwa
38.7 km =24 mi,
239°
• Tomioka
37.4 km =23.2 mi,
83°
• Annaka
39.1 km =24.3 mi,
71°
• Komoro
12 km =7.5 mi,
338°
• Hokuto
43.2 km =26.8 mi,
190°
• Kamimaruko
22 km =13.7 mi,
301°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016