Night Light of Goyang-si (Gyeonggi-do) from space (South Korea) Src. Average luminocity for 10x10km area is 91.8827% and for 50x50km: 76.7334%.
Square area 10x10 km:
 32.82%
 32.82% 30.1%
 30.1% 22.11%
 22.11% 13.61%
 13.61% 1.36%
 1.36% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 29.88%
 29.88% 18.22%
 18.22% 10.26%
 10.26% 8.95%
 8.95% 8.63%
 8.63% 8.01%
 8.01% 4.54%
 4.54% 2.79%
 2.79% 2.57%
 2.57% 1.95%
 1.95% 4.19%
 4.19%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 12' 39.5" North, 126° 7' 54.8" East
37° 39' 23" North, 126° 50' 6" East
37° 5' 51.5" North, 127° 32' 17.3" East
Some cities around Goyang-si sort by population:
• Seoul
		16.1 km =10 mi,  128°
128°
• Incheon
		25 km =15.5 mi,  207°
207°
• Bucheon-si
		18.1 km =11.2 mi,  194°
194°
• Uijeongbu-si
		20.9 km =13 mi,  63°
63°
• Kwangmyŏng
		20.1 km =12.5 mi,  172°
172°
• Guri-si
		27.6 km =17.1 mi,  103°
103°
• Munsan
		23 km =14.3 mi,  348°
348°
• Yongsan-dong
		18.1 km =11.2 mi,  133°
133°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016