Night Light of Dongtai (Jiangsu) from space (China) Src. Average luminocity for 10x10km area is 47.1678% and for 50x50km: 5.252%.
Square area 10x10 km:
 2.8%
 2.8% 5.59%
 5.59% 13.81%
 13.81% 8.57%
 8.57% 7.17%
 7.17% 6.64%
 6.64% 6.12%
 6.12% 9.79%
 9.79% 13.99%
 13.99% 21.85%
 21.85% 3.67%
 3.67%Square area 50x50 km:
 0.12%
 0.12% 0.23%
 0.23% 0.83%
 0.83% 0.8%
 0.8% 0.94%
 0.94% 0.93%
 0.93% 0.98%
 0.98% 1.2%
 1.2% 1.81%
 1.81% 4.1%
 4.1% 88.07%
 88.07%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
33° 26' 27.6" North, 119° 36' 22.9" East
32° 51' 8.3" North, 120° 18' 34.1" East
32° 15' 34.8" North, 121° 0' 45.4" East
Some cities around Dongtai sort by population:
• Yancheng
		57.9 km =36 mi,  345°
345°
• Taizhou
		55 km =34.2 mi,  223°
223°
• Xinghua
		45.4 km =28.2 mi,  282°
282°
• Gaoyou
		81.4 km =50.6 mi,  265°
265°
• Dazhong
		41 km =25.5 mi,  19°
19°
• Taixing
		81.1 km =50.4 mi,  199°
199°
• Jiangyan
		41.5 km =25.8 mi,  202°
202°
• Qinnan
		57.9 km =36 mi,  320°
320°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016