Night Light of Chongjin (Hamgyŏng-bukto) from space (North Korea) Src. Average luminocity for 10x10km area is 1.0844% and for 50x50km: 0.0665%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0%
 0%
 0.65%
 0.16%
 2.76%
 0.32%
 96.1%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° 19' 3.4" North, 129° 4' 21.8" East
41° 47' 44" North, 129° 46' 33" East
41° 16' 9.2" North, 130° 28' 44.3" East
Some cities around Chongjin sort by population:
• Rajin
		66.1 km =41.1 mi, 
39°
• Kyŏngsŏng
		27.1 km =16.8 mi, 
211°
• Nanam
		11.9 km =7.4 mi, 
219°
• Musan-ŭp
		67 km =41.6 mi, 
315°
• Puryŏng
		29.9 km =18.6 mi, 
349°
• Komusan Il-tong
		35.4 km =22 mi, 
349°
• Hoemul-li
		41.2 km =25.6 mi, 
192°
• Sŭngam-nodongjagu
		16.6 km =10.3 mi, 
212°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016