Night Light of Beihuaidian (Tianjin) from space (China) Src. Average luminocity for 10x10km area is 11.25% and for 50x50km: 37.7867%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 48' 3.1" North, 116° 51' 38.4" East
39° 15' 30.7" North, 117° 33' 49.6" East
38° 42' 43.2" North, 118° 16' 0.9" East
Some cities around Beihuaidian sort by population:
• Chitu
15.2 km =9.4 mi, 246°
• Biaokou
7.5 km =4.7 mi, 353°
• Zaojiacheng
11.2 km =7 mi, 280°
• Ningchegu
14 km =8.7 mi, 142°
• Dongditou
16.5 km =10.3 mi, 273°
• Xitangtuo
9.6 km =6 mi, 317°
• Xiditou
18.6 km =11.6 mi, 268°
• Dawangtai
7 km =4.3 mi, 285°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016