Night Light of Munsan (Gyeonggi-do) from space (South Korea) Src. Average luminocity for 10x10km area is 61.987% and for 50x50km: 37.8513%.
Square area 10x10 km:
 4.22%
 4.22% 8.93%
 8.93% 9.25%
 9.25% 8.12%
 8.12% 19.97%
 19.97% 25%
 25% 12.34%
 12.34% 6.17%
 6.17% 5.84%
 5.84% 0.16%
 0.16% 0%
 0%Square area 50x50 km:
 5.96%
 5.96% 6.13%
 6.13% 5.24%
 5.24% 6.36%
 6.36% 8.05%
 8.05% 8.75%
 8.75% 5.84%
 5.84% 4.28%
 4.28% 4.75%
 4.75% 8.23%
 8.23% 36.41%
 36.41%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 24' 44.9" North, 126° 4' 54.8" East
37° 51' 34" North, 126° 47' 6" East
37° 18' 8" North, 127° 29' 17.3" East
Some cities around Munsan sort by population:
• Seoul
		36.8 km =22.9 mi,  152°
152°
• Goyang-si
		23 km =14.3 mi,  168°
168°
• Bucheon-si
		40.1 km =24.9 mi,  180°
180°
• Uijeongbu-si
		26.5 km =16.5 mi,  119°
119°
• Kaesŏng, KP
		23.7 km =14.7 mi,  301°
301°
• Yangju
		24.5 km =15.2 mi,  96°
96°
• Ganghwa-gun
		29.1 km =18.1 mi,  244°
244°
• Yongsan-dong
		39.1 km =24.3 mi,  153°
153°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016