Night Light of Musan-ŭp (Hamgyŏng-bukto) from space (North Korea) Src. Average luminocity for 10x10km area is 0.097% and for 50x50km: 0.028%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0.61%
 99.39%Square area 50x50 km:
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0.03%
 0.05%
 0.03%
 99.9%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
42° 44' 40.6" North, 128° 30' 16.7" East
42° 13' 33.9" North, 129° 12' 27.9" East
41° 42' 11.8" North, 129° 54' 39.2" East
Some cities around Musan-ŭp sort by population:
• Chongjin
		67 km =41.6 mi, 
135°
• Longjing, CN
		63.2 km =39.3 mi, 
16°
• Helong, CN
		38.9 km =24.2 mi, 
333°
• Hoeryŏng
		50.3 km =31.3 mi, 
61°
• Nanam
		69.3 km =43.1 mi, 
145°
• Puryŏng
		45.4 km =28.2 mi, 
113°
• Komusan Il-tong
		42.6 km =26.5 mi, 
107°
• Sŭngam-nodongjagu
		72.7 km =45.2 mi, 
148°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016