Night Light of Tangshan (Hebei) from space (China) Src. Average luminocity for 10x10km area is 95.9481% and for 50x50km: 25.725%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
40° 10' 21.8" North, 117° 28' 48.8" East
39° 37' 60" North, 118° 10' 60" East
39° 5' 23" North, 118° 53' 11.3" East
Some cities around Tangshan sort by population:
• Hangu
54.5 km =33.9 mi, 218°
• Linxi
24.4 km =15.2 mi, 69°
• Zhaogezhuang
24.5 km =15.2 mi, 53°
• Tangjiazhuang
26 km =16.2 mi, 61°
• Fengrun
23 km =14.3 mi, 345°
• Guye
24.5 km =15.2 mi, 63°
• Biaokou
64 km =39.8 mi, 237°
• Fengtai
38.1 km =23.7 mi, 257°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016