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:
Square area 50x50 km:
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