Night Light of Sejong (Sejong-si) from space (South Korea) Src. Average luminocity for 10x10km area is 60.6905% and for 50x50km: 41.6492%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
37° 9' 17.7" North, 126° 35' 20.8" East
36° 35' 32.8" North, 127° 17' 32" East
36° 1' 33.1" North, 127° 59' 43.3" East
Some cities around Sejong sort by population:
• Daejeon
28.3 km =17.6 mi, 162°
• Cheongju-si
18.3 km =11.4 mi, 74°
• Cheonan
26.9 km =16.7 mi, 332°
• Asan
33.3 km =20.7 mi, 309°
• Gongju
21.3 km =13.2 mi, 224°
• Chinch'ŏn
32.3 km =20.1 mi, 24°
• Sintansin
19.8 km =12.3 mi, 141°
• Songgangdong
19.2 km =11.9 mi, 157°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016