Night Light of Tangjin (Chungcheongnam-do) from space (South Korea) Src. Average luminocity for 10x10km area is 24.8653% and for 50x50km: 25.1963%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
37° 27' 16.8" North, 125° 55' 35.8" East
36° 53' 40" North, 126° 37' 47" East
36° 19' 48.2" North, 127° 19' 58.3" East
Some cities around Tangjin sort by population:
• Hwaseong-si
38.5 km =23.9 mi, 25°
• Cheonan
47.5 km =29.5 mi, 101°
• Asan
35.5 km =22.1 mi, 110°
• Hongseong
32.8 km =20.4 mi, 174°
• Seosan
20.2 km =12.6 mi, 231°
• Yesan
30.7 km =19.1 mi, 141°
• Seonghwan
44.7 km =27.8 mi, 86°
• Taesal-li
17.8 km =11.1 mi, 298°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016