Night Light of Chenzhou (Hunan) from space (China) Src. Average luminocity for 10x10km area is 59.303% and for 50x50km: 6.5737%.
Square area 10x10 km:
 15.72%
 18.37%
 2.65%
 2.27%
 7.95%
 8.14%
 9.47%
 6.63%
 15.34%
 13.45%
 0%Square area 50x50 km:
 0.88%
 1.19%
 0.35%
 0.68%
 0.68%
 0.87%
 1.28%
 1.22%
 2.18%
 4.77%
 85.9%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
26° 25' 52.8" North, 112° 19' 48.8" East
25° 48' 0" North, 113° 1' 60" East
25° 9' 55" North, 113° 44' 11.3" East
Some cities around Chenzhou sort by population:
• Hengyang
		128 km =79.5 mi, 
341°
• Shaoguan
		124.2 km =77.2 mi, 
153°
• Leiyang
		69.2 km =43 mi, 
345°
• Lecheng
		81.2 km =50.5 mi, 
156°
• Maba
		136.5 km =84.8 mi, 
155°
• Lianzhou
		131.3 km =81.6 mi, 
210°
• Shixing
		140.5 km =87.3 mi, 
132°
• Bojia
		129.7 km =80.6 mi, 
304°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016