Night Light of Guri-si (Gyeonggi-do) from space (South Korea) Src. Average luminocity for 10x10km area is 94.2143% and for 50x50km: 65.6297%.
Square area 10x10 km:
 36.39%
 36.39% 37.07%
 37.07% 21.26%
 21.26% 5.27%
 5.27% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 22.07%
 22.07% 14.11%
 14.11% 8.26%
 8.26% 8.73%
 8.73% 8.25%
 8.25% 7.12%
 7.12% 5.92%
 5.92% 5.91%
 5.91% 5.74%
 5.74% 5.41%
 5.41% 8.47%
 8.47%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 9' 13" North, 126° 26' 10.6" East
37° 35' 55" North, 127° 8' 21.8" East
37° 2' 21.9" North, 127° 50' 33.1" East
Some cities around Guri-si sort by population:
• Seoul
		14.6 km =9.1 mi,  255°
255°
• Seongnam-si
		17.8 km =11.1 mi,  180°
180°
• Uijeongbu-si
		17.8 km =11.1 mi,  332°
332°
• Hanam
		8.7 km =5.4 mi,  138°
138°
• Hwado
		16 km =9.9 mi,  67°
67°
• Wabu
		7.2 km =4.5 mi,  97°
97°
• Namyangju
		7.8 km =4.8 mi,  57°
57°
• Yongsan-dong
		15 km =9.3 mi,  246°
246°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016