Night Light of Hede (Jiangsu) from space (China) Src. Average luminocity for 10x10km area is 31.9487% and for 50x50km: 2.2404%.
Square area 10x10 km:
 3.85%
 3.85% 4.58%
 4.58% 2.56%
 2.56% 4.58%
 4.58% 8.97%
 8.97% 4.03%
 4.03% 3.3%
 3.3% 2.01%
 2.01% 7.88%
 7.88% 36.81%
 36.81% 21.43%
 21.43%Square area 50x50 km:
 0.15%
 0.15% 0.18%
 0.18% 0.27%
 0.27% 0.39%
 0.39% 0.47%
 0.47% 0.3%
 0.3% 0.3%
 0.3% 0.3%
 0.3% 0.55%
 0.55% 1.61%
 1.61% 95.5%
 95.5%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
34° 21' 16.8" North, 119° 33' 31.1" East
33° 46' 19.9" North, 120° 15' 42.3" East
33° 11' 8.7" North, 120° 57' 53.6" East
Some cities around Hede sort by population:
• Yancheng
		47.1 km =29.3 mi,  191°
191°
• Dongtai
		102.4 km =63.6 mi,  177°
177°
• Xinghua
		100.8 km =62.6 mi,  203°
203°
• Dazhong
		66.2 km =41.1 mi,  164°
164°
• Baoying
		107 km =66.5 mi,  235°
235°
• Dongkan
		47.1 km =29.3 mi,  302°
302°
• Gaogou
		102.7 km =63.8 mi,  285°
285°
• Qinnan
		66.1 km =41.1 mi,  209°
209°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016