Night Light of Karatsu (Saga) from space (Japan) Src. Average luminocity for 10x10km area is 22.993% and for 50x50km: 5.4606%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
34° 1' 38" North, 129° 15' 59.8" East
33° 26' 33" North, 129° 58' 11" East
32° 51' 13.7" North, 130° 40' 22.3" East
Some cities around Karatsu sort by population:
• Sasebo
38 km =23.6 mi, 216°
• Saga
38.5 km =23.9 mi, 127°
• Maebaru-chūō
25.1 km =15.6 mi, 58°
• Imarichō-kō
20.6 km =12.8 mi, 204°
• Takeochō-takeo
28.5 km =17.7 mi, 170°
• Kashima
39.1 km =24.3 mi, 163°
• Hirado
39.6 km =24.6 mi, 258°
• Ureshinomachi-shimojuku
36.7 km =22.8 mi, 175°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016