Night Light of Shanhaiguan (Hebei) from space (China) Src. Average luminocity for 10x10km area is 53.3741% and for 50x50km: 15.3482%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
40° 32' 20.3" North, 119° 2' 44.8" East
40° 0' 9" North, 119° 44' 56" East
39° 27' 42.4" North, 120° 27' 7.3" East
Some cities around Shanhaiguan sort by population:
• Qinhuangdao
15.8 km =9.8 mi, 240°
• Linxi
115.5 km =71.8 mi, 253°
• Xingcheng
106.8 km =66.4 mi, 50°
• Zhaogezhuang
117.1 km =72.8 mi, 256°
• Tangjiazhuang
114.4 km =71.1 mi, 255°
• Beidaihehaibin
28.1 km =17.5 mi, 224°
• Changli
60.9 km =37.8 mi, 236°
• Guye
115.7 km =71.9 mi, 254°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016