Night Light of Zhenzhou (Jiangsu) from space (China) Src. Average luminocity for 10x10km area is 75.2326% and for 50x50km: 32.6004%.
Square area 10x10 km:
 21.06%
 21.06% 18.5%
 18.5% 12.27%
 12.27% 8.79%
 8.79% 9.34%
 9.34% 8.06%
 8.06% 13%
 13% 7.51%
 7.51% 1.47%
 1.47% 0%
 0% 0%
 0%Square area 50x50 km:
 6.56%
 6.56% 5.86%
 5.86% 3.96%
 3.96% 3.45%
 3.45% 5.31%
 5.31% 4.32%
 4.32% 4.76%
 4.76% 5.08%
 5.08% 9.2%
 9.2% 12.56%
 12.56% 38.95%
 38.95%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
32° 52' 22.2" North, 118° 28' 0.7" East
32° 16' 49.2" North, 119° 10' 12" East
31° 41' 2.2" North, 119° 52' 23.2" East
Some cities around Zhenzhou sort by population:
• Nanjing
		44.2 km =27.5 mi,  236°
236°
• Zhenjiang
		27.9 km =17.3 mi,  106°
106°
• Taizhou
		73.1 km =45.4 mi,  71°
71°
• Yangzhou
		28.2 km =17.5 mi,  62°
62°
• Gaoyou
		62.1 km =38.6 mi,  24°
24°
• Xiannü
		40.2 km =25 mi,  65°
65°
• Taixing
		80.4 km =50 mi,  99°
99°
• Xiaolingwei
		40.6 km =25.2 mi,  227°
227°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016