Night Light of Dakoutun (Tianjin) from space (China) Src. Average luminocity for 10x10km area is 7.2192% and for 50x50km: 20.2097%.
Square area 10x10 km:
 0%
 0% 0%
 0% 1.14%
 1.14% 0.16%
 0.16% 0.81%
 0.81% 1.79%
 1.79% 1.3%
 1.3% 2.76%
 2.76% 1.14%
 1.14% 2.76%
 2.76% 88.15%
 88.15%Square area 50x50 km:
 1.66%
 1.66% 2.06%
 2.06% 4.11%
 4.11% 3.06%
 3.06% 3.22%
 3.22% 2.96%
 2.96% 3.22%
 3.22% 4.11%
 4.11% 5.24%
 5.24% 12.29%
 12.29% 58.07%
 58.07%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
40° 7' 23.2" North, 116° 31' 32.8" East
39° 34' 60" North, 117° 13' 44" East
39° 2' 21.6" North, 117° 55' 55.3" East
Some cities around Dakoutun sort by population:
• Yangcun
		28.4 km =17.6 mi,  210°
210°
• Beicang
		39.7 km =24.7 mi,  193°
193°
• Zaojiacheng
		38.4 km =23.9 mi,  152°
152°
• Dongditou
		37.3 km =23.2 mi,  160°
160°
• Xitangtuo
		36.6 km =22.7 mi,  142°
142°
• Xiditou
		38.1 km =23.7 mi,  164°
164°
• Liukuaizhuang
		38.5 km =23.9 mi,  165°
165°
• Xiaodian
		36.6 km =22.7 mi,  180°
180°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016