Night Light of Osan (Gyeonggi-do) from space (South Korea) Src. Average luminocity for 10x10km area is 84.7347% and for 50x50km: 68.9942%.
Square area 10x10 km:
 22.96%
 22.96% 24.32%
 24.32% 13.95%
 13.95% 18.2%
 18.2% 17.52%
 17.52% 3.06%
 3.06% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 12.47%
 12.47% 14.97%
 14.97% 10.49%
 10.49% 13.3%
 13.3% 17.45%
 17.45% 11.17%
 11.17% 6.94%
 6.94% 4.58%
 4.58% 3.21%
 3.21% 4.01%
 4.01% 1.4%
 1.4%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
37° 42' 38" North, 126° 22' 2.8" East
37° 9' 8" North, 127° 4' 14" East
36° 35' 23" North, 127° 46' 25.3" East
Some cities around Osan sort by population:
• Suwon
		16.4 km =10.2 mi,  340°
340°
• Seongnam-si
		32.4 km =20.1 mi,  10°
10°
• Ansan-si
		29.1 km =18.1 mi,  310°
310°
• Anyang-si
		29.6 km =18.4 mi,  334°
334°
• Hwaseong-si
		23.3 km =14.5 mi,  285°
285°
• Gwangju
		33.1 km =20.6 mi,  29°
29°
• Anseong
		23.7 km =14.7 mi,  131°
131°
• Seonghwan
		26.9 km =16.7 mi,  168°
168°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016