Night Light of Yongsan-dong (Seoul) from space (South Korea) Src. Average luminocity for 10x10km area is 99.8636% and for 50x50km: 86.069%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 5' 59.7" North, 126° 16' 50.1" East
37° 32' 40.2" North, 126° 59' 1.3" East
36° 59' 5.7" North, 127° 41' 12.6" East
Some cities around Yongsan-dong sort by population:
• Seoul
2.4 km =1.5 mi, 348°
• Goyang-si
18.1 km =11.2 mi, 313°
• Seongnam-si
18 km =11.2 mi, 130°
• Bucheon-si
18.4 km =11.4 mi, 254°
• Anyang-si
17.6 km =10.9 mi, 196°
• Kwangmyŏng
12.8 km =8 mi, 234°
• Guri-si
15 km =9.3 mi, 66°
• Hanam
19.6 km =12.2 mi, 91°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016