Night Light of Yeoju (Gyeonggi-do) from space (South Korea) Src. Average luminocity for 10x10km area is 42.5714% and for 50x50km: 21.2447%.
Square area 10x10 km:
 3.41%
 3.41% 5.19%
 5.19% 7.14%
 7.14% 6.66%
 6.66% 6.98%
 6.98% 7.31%
 7.31% 6.17%
 6.17% 14.12%
 14.12% 12.82%
 12.82% 26.79%
 26.79% 3.41%
 3.41%Square area 50x50 km:
 0.5%
 0.5% 1.75%
 1.75% 1.91%
 1.91% 2.74%
 2.74% 4.09%
 4.09% 5.88%
 5.88% 5.14%
 5.14% 6.73%
 6.73% 9.23%
 9.23% 11.97%
 11.97% 50.06%
 50.06%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
37° 51' 11.2" North, 126° 55' 50.8" East
37° 17' 45" North, 127° 38' 2" East
36° 44' 3.9" North, 128° 20' 13.3" East
Some cities around Yeoju sort by population:
• Seongnam-si
		46.6 km =29 mi,  289°
289°
• Wŏnju
		28.2 km =17.5 mi,  77°
77°
• Icheon-si
		17 km =10.6 mi,  263°
263°
• Hanam
		46.6 km =29 mi,  305°
305°
• Yangp'yŏng
		25 km =15.5 mi,  329°
329°
• Gwangju
		35.6 km =22.1 mi,  290°
290°
• Anseong
		45.2 km =28.1 mi,  225°
225°
• Pubal
		11.2 km =7 mi,  267°
267°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016