Night Light of Koch'ang (Jeollabuk-do) from space (South Korea) Src. Average luminocity for 10x10km area is 29.2399% and for 50x50km: 17.0115%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
36° 0' 15.1" North, 125° 59' 48.8" East
35° 25' 60" North, 126° 42' 0" East
34° 51' 30.2" North, 127° 24' 11.3" East
Some cities around Koch'ang sort by population:
• Gwangju
36.6 km =22.7 mi, 147°
• Masan
36.1 km =22.4 mi, 160°
• Jeongeup
27 km =16.8 mi, 46°
• Hwasun
48.9 km =30.4 mi, 147°
• Kimje
44.4 km =27.6 mi, 22°
• Naju
45 km =28 mi, 177°
• Puan
32.9 km =20.4 mi, 5°
• Yeonggwang
24.3 km =15.1 mi, 224°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016