Night Light of Hwaseong-si (Gyeonggi-do) from space (South Korea) Src. Average luminocity for 10x10km area is 69.5051% and for 50x50km: 63.4297%.
Square area 10x10 km:
 3.57%
 3.57% 11.73%
 11.73% 10.71%
 10.71% 15.99%
 15.99% 33.5%
 33.5% 17.18%
 17.18% 4.08%
 4.08% 3.23%
 3.23% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 14.89%
 14.89% 15.04%
 15.04% 9.58%
 9.58% 12.01%
 12.01% 12.92%
 12.92% 7.35%
 7.35% 2.69%
 2.69% 3.05%
 3.05% 4.22%
 4.22% 7.99%
 7.99% 10.27%
 10.27%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
37° 45' 53.1" North, 126° 6' 49.6" East
37° 12' 24.6" North, 126° 49' 0.8" East
36° 38' 41.1" North, 127° 31' 12.1" East
Some cities around Hwaseong-si sort by population:
• Incheon
		29.5 km =18.3 mi,  340°
340°
• Suwon
		19.4 km =12.1 mi,  61°
61°
• Seongnam-si
		38.3 km =23.8 mi,  47°
47°
• Bucheon-si
		32.6 km =20.3 mi,  354°
354°
• Ansan-si
		13 km =8.1 mi,  1°
1°
• Anyang-si
		22.8 km =14.2 mi,  25°
25°
• Kwangmyŏng
		30.4 km =18.9 mi,  8°
8°
• Osan
		23.3 km =14.5 mi,  105°
105°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016