Night Light of Yangju (Gyeonggi-do) from space (South Korea) Src. Average luminocity for 10x10km area is 71.7126% and for 50x50km: 48.4893%.
Square area 10x10 km:
 9.86%
 9.86% 17.52%
 17.52% 11.05%
 11.05% 12.59%
 12.59% 16.5%
 16.5% 18.88%
 18.88% 8.84%
 8.84% 4.59%
 4.59% 0.17%
 0.17% 0%
 0% 0%
 0%Square area 50x50 km:
 6.69%
 6.69% 8.25%
 8.25% 6.84%
 6.84% 8.03%
 8.03% 9.31%
 9.31% 10.29%
 10.29% 7.23%
 7.23% 7.42%
 7.42% 9.24%
 9.24% 14.29%
 14.29% 12.41%
 12.41%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 23' 10.9" North, 126° 21' 30.9" East
37° 49' 59.2" North, 127° 3' 42.1" East
37° 16' 32.5" North, 127° 45' 53.4" East
Some cities around Yangju sort by population:
• Seoul
		30.6 km =19 mi,  193°
193°
• Goyang-si
		28 km =17.4 mi,  225°
225°
• Uijeongbu-si
		10.3 km =6.4 mi,  187°
187°
• Guri-si
		27 km =16.8 mi,  165°
165°
• Hwado
		29.5 km =18.3 mi,  132°
132°
• Wabu
		30.4 km =18.9 mi,  152°
152°
• Namyangju
		25.6 km =15.9 mi,  148°
148°
• Munsan
		24.5 km =15.2 mi,  276°
276°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016