Night Light of Hwado (Gyeonggi-do) from space (South Korea) Src. Average luminocity for 10x10km area is 53.4021% and for 50x50km: 42.0591%.
Square area 10x10 km:
 3.88%
 3.88% 6.88%
 6.88% 8.64%
 8.64% 6.7%
 6.7% 11.82%
 11.82% 11.82%
 11.82% 10.93%
 10.93% 20.63%
 20.63% 18.52%
 18.52% 0.18%
 0.18% 0%
 0%Square area 50x50 km:
 11.11%
 11.11% 8.21%
 8.21% 5.42%
 5.42% 5.56%
 5.56% 5.97%
 5.97% 5.7%
 5.7% 4.71%
 4.71% 5.83%
 5.83% 5.52%
 5.52% 6.66%
 6.66% 35.31%
 35.31%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 12' 25.6" North, 126° 36' 15.8" East
37° 39' 9" North, 127° 18' 27" East
37° 5' 37.4" North, 128° 0' 38.3" East
Some cities around Hwado sort by population:
• Uijeongbu-si
		24.9 km =15.5 mi,  293°
293°
• Guri-si
		16 km =9.9 mi,  247°
247°
• Hanam
		15.4 km =9.6 mi,  215°
215°
• Wabu
		10.4 km =6.5 mi,  227°
227°
• Namyangju
		8.4 km =5.2 mi,  257°
257°
• Yangp'yŏng
		24.2 km =15 mi,  138°
138°
• Gwangju
		27.3 km =17 mi,  189°
189°
• Gapyeong
		26.7 km =16.6 mi,  41°
41°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016