Night Light of Sŭngam-nodongjagu (Hamgyŏng-bukto) from space (North Korea) Src. Average luminocity for 10x10km area is 0.013% and for 50x50km: 0.0665%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 100%Square area 50x50 km:
 0%
 0%
 0%
 0.03%
 0%
 0%
 0.03%
 0.01%
 0.11%
 0.03%
 99.81%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
42° 11' 34.1" North, 128° 57' 56.8" East
41° 40' 11" North, 129° 40' 8" East
41° 8' 32.5" North, 130° 22' 19.3" East
Some cities around Sŭngam-nodongjagu sort by population:
• Chongjin
		16.6 km =10.3 mi, 
32°
• Kyŏngsŏng
		10.5 km =6.5 mi, 
209°
• Nanam
		5 km =3.1 mi, 
14°
• Musan-ŭp
		72.7 km =45.2 mi, 
328°
• Hau-ri
		54.7 km =34 mi, 
197°
• Puryŏng
		43.6 km =27.1 mi, 
4°
• Komusan Il-tong
		48.9 km =30.4 mi, 
3°
• Hoemul-li
		26.2 km =16.3 mi, 
179°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016