Night Light of Namyangju (Gyeonggi-do) from space (South Korea) Src. Average luminocity for 10x10km area is 73.4388% and for 50x50km: 53.8047%.
Square area 10x10 km:
 9.01%
 9.01% 14.97%
 14.97% 17.69%
 17.69% 23.13%
 23.13% 12.41%
 12.41% 6.8%
 6.8% 8.33%
 8.33% 7.31%
 7.31% 0.34%
 0.34% 0%
 0% 0%
 0%Square area 50x50 km:
 15.96%
 15.96% 10.49%
 10.49% 6.71%
 6.71% 7.19%
 7.19% 7.79%
 7.79% 7.53%
 7.53% 5.77%
 5.77% 5.96%
 5.96% 5.57%
 5.57% 6.09%
 6.09% 20.93%
 20.93%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 11' 29" North, 126° 30' 39.8" East
37° 38' 12" North, 127° 12' 51" East
37° 4' 40" North, 127° 55' 2.3" East
Some cities around Namyangju sort by population:
• Seoul
		22.2 km =13.8 mi,  249°
249°
• Seongnam-si
		23 km =14.3 mi,  197°
197°
• Uijeongbu-si
		18.7 km =11.6 mi,  308°
308°
• Guri-si
		7.8 km =4.8 mi,  237°
237°
• Hanam
		10.8 km =6.7 mi,  184°
184°
• Hwado
		8.4 km =5.2 mi,  77°
77°
• Wabu
		5.2 km =3.2 mi,  174°
174°
• Yongsan-dong
		22.7 km =14.1 mi,  243°
243°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016