Night Light of Hangu (Tianjin) from space (China) Src. Average luminocity for 10x10km area is 64.4133% and for 50x50km: 23.8275%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 47' 28.6" North, 117° 5' 9.8" East
39° 14' 56" North, 117° 47' 21" East
38° 42' 8.2" North, 118° 29' 32.3" East
Some cities around Hangu sort by population:
• Tanggu
28.1 km =17.5 mi, 205°
• Chitu
33.7 km =20.9 mi, 261°
• Beihuaidian
19.4 km =12.1 mi, 273°
• Biaokou
22 km =13.7 mi, 292°
• Zaojiacheng
30.6 km =19 mi, 275°
• Ningchegu
14.8 km =9.2 mi, 227°
• Xitangtuo
27.2 km =16.9 mi, 287°
• Dawangtai
26.3 km =16.3 mi, 276°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016