Night Light of Seonghwan (Chungcheongnam-do) from space (South Korea) Src. Average luminocity for 10x10km area is 61.5682% and for 50x50km: 47.4091%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
37° 28' 32.3" North, 126° 25' 41.8" East
36° 54' 56" North, 127° 7' 53" East
36° 21' 4.8" North, 127° 50' 4.3" East
Some cities around Seonghwan sort by population:
• Hwaseong-si
42.7 km =26.5 mi, 319°
• Cheonan
12.3 km =7.6 mi, 171°
• Sejong
38.7 km =24 mi, 158°
• Osan
26.9 km =16.7 mi, 348°
• Asan
18.5 km =11.5 mi, 217°
• Anseong
16.3 km =10.1 mi, 49°
• Chinch'ŏn
28.5 km =17.7 mi, 103°
• Yesan
36.9 km =22.9 mi, 224°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016