Night Light of Arai (Niigata) from space (Japan) Src. Average luminocity for 10x10km area is 8.4513% and for 50x50km: 3.1285%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
37° 33' 36.2" North, 137° 31' 22" East
37° 0' 2.1" North, 138° 13' 33.2" East
36° 26' 13.1" North, 138° 55' 44.5" East
Some cities around Arai sort by population:
• Nagano
39.2 km =24.4 mi, 185°
• Jōetsu
16.4 km =10.2 mi, 3°
• Kashiwazaki
49.8 km =30.9 mi, 35°
• Suzaka
39.8 km =24.7 mi, 168°
• Nakano
30.5 km =19 mi, 155°
• Itoigawa
33.6 km =20.9 mi, 276°
• Iiyama
20.9 km =13 mi, 143°
• Hakuba
46.7 km =29 mi, 223°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016