Night Light of Kanggye (Chagang-do) from space (North Korea) Src. Average luminocity for 10x10km area is 0.3316% and for 50x50km: 0.0127%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0.68%
 0.68%
 98.64%Square area 50x50 km:
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0.03%
 0.03%
 99.95%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 29' 53.6" North, 125° 52' 55.6" East
40° 58' 10.1" North, 126° 35' 6.8" East
40° 26' 11.1" North, 127° 17' 18.1" East
Some cities around Kanggye sort by population:
• Tonghua, CN
		99.9 km =62.1 mi, 
326°
• Baishan, CN
		108.6 km =67.5 mi, 
352°
• Manp’o
		32.2 km =20 mi, 
309°
• Linjiang, CN
		96.9 km =60.2 mi, 
16°
• Huanren, CN
		107.2 km =66.6 mi, 
287°
• Erdaojiang, CN
		100.9 km =62.7 mi, 
332°
• Pukchil-lodongjagu
		110.8 km =68.8 mi, 
219°
• Chasŏng
		54.8 km =34.1 mi, 
4°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016