Night Light of Hongch’ŏn (Gangwon-do) from space (South Korea) Src. Average luminocity for 10x10km area is 23.5408% and for 50x50km: 6.7553%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 14' 46" North, 127° 10' 57.3" East
37° 41' 30.5" North, 127° 53' 8.5" East
37° 7' 60" North, 128° 35' 19.8" East
Some cities around Hongch’ŏn sort by population:
• Wŏnju
38.2 km =23.7 mi, 172°
• Chuncheon
24.3 km =15.1 mi, 326°
• Hwado
51.1 km =31.8 mi, 265°
• Yangp'yŏng
41.4 km =25.7 mi, 237°
• Gapyeong
36.4 km =22.6 mi, 295°
• Yeoju
49.3 km =30.6 mi, 206°
• Yanggu
46.9 km =29.1 mi, 11°
• Hwacheon
48.8 km =30.3 mi, 341°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016