Night Light of Qinhuangdao (Hebei) from space (China) Src. Average luminocity for 10x10km area is 80.6837% and for 50x50km: 17.5264%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
40° 28' 7.4" North, 118° 53' 6.8" East
39° 55' 54" North, 119° 35' 18" East
39° 23' 25.4" North, 120° 17' 29.3" East
Some cities around Qinhuangdao sort by population:
• Shanhaiguan
15.8 km =9.8 mi, 60°
• Linxi
100.3 km =62.3 mi, 255°
• Zhaogezhuang
102.1 km =63.4 mi, 259°
• Tangjiazhuang
99.3 km =61.7 mi, 257°
• Beidaihehaibin
13.6 km =8.5 mi, 206°
• Changli
45.1 km =28 mi, 235°
• Songling
119.2 km =74.1 mi, 289°
• Guye
100.5 km =62.4 mi, 257°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016