Night Light of Chaohu (Anhui) from space (China) Src. Average luminocity for 10x10km area is 64.956% and for 50x50km: 6.0576%.
Square area 10x10 km:
 16.85%
 16.85% 15.75%
 15.75% 9.89%
 9.89% 7.51%
 7.51% 4.21%
 4.21% 9.16%
 9.16% 10.26%
 10.26% 7.69%
 7.69% 12.09%
 12.09% 6.23%
 6.23% 0.37%
 0.37%Square area 50x50 km:
 0.9%
 0.9% 0.98%
 0.98% 0.82%
 0.82% 0.51%
 0.51% 0.59%
 0.59% 0.62%
 0.62% 1.06%
 1.06% 1.1%
 1.1% 1.91%
 1.91% 3.98%
 3.98% 87.53%
 87.53%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
32° 11' 49" North, 117° 9' 48.8" East
31° 36' 0" North, 117° 52' 0" East
30° 59' 57.2" North, 118° 34' 11.3" East
Some cities around Chaohu sort by population:
• Nanjing
		100.2 km =62.3 mi,  59°
59°
• Hefei
		62.7 km =39 mi,  297°
297°
• Wuhu
		56.2 km =34.9 mi,  121°
121°
• Wusong
		72.7 km =45.2 mi,  186°
186°
• Chuzhou
		90 km =55.9 mi,  26°
26°
• Lucheng
		68.9 km =42.8 mi,  233°
233°
• Xiaolingwei
		104.9 km =65.2 mi,  62°
62°
• Gushu
		58.4 km =36.3 mi,  94°
94°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016