Night Light of Icheon-si (Gyeonggi-do) from space (South Korea) Src. Average luminocity for 10x10km area is 68.4252% and for 50x50km: 36.5566%.
Square area 10x10 km:
 5.44%
 5.44% 11.56%
 11.56% 7.48%
 7.48% 15.82%
 15.82% 22.11%
 22.11% 28.4%
 28.4% 7.14%
 7.14% 2.04%
 2.04% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 1.44%
 1.44% 3.98%
 3.98% 3.84%
 3.84% 5.68%
 5.68% 8.63%
 8.63% 10.17%
 10.17% 9%
 9% 9.72%
 9.72% 11.73%
 11.73% 13.15%
 13.15% 22.66%
 22.66%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
37° 50' 11.6" North, 126° 44' 21.8" East
37° 16' 45" North, 127° 26' 33" East
36° 43' 3.4" North, 128° 8' 44.3" East
Some cities around Icheon-si sort by population:
• Seongnam-si
		32.2 km =20 mi,  303°
303°
• Osan
		35.8 km =22.2 mi,  246°
246°
• Hanam
		35.8 km =22.2 mi,  324°
324°
• Yangp'yŏng
		23.8 km =14.8 mi,  10°
10°
• Gwangju
		21.9 km =13.6 mi,  311°
311°
• Anseong
		33.5 km =20.8 mi,  207°
207°
• Pubal
		5.9 km =3.7 mi,  76°
76°
• Yeoju
		17 km =10.6 mi,  83°
83°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016