Night Light of Jiaozuo (Henan) from space (China) Src. Average luminocity for 10x10km area is 74.8706% and for 50x50km: 15.3132%.
Square area 10x10 km:
 12.94%
 24.3%
 15.03%
 15.21%
 11.01%
 4.02%
 4.2%
 3.5%
 8.74%
 1.05%
 0%Square area 50x50 km:
 0.72%
 1.93%
 1.87%
 2.34%
 2.85%
 3.15%
 2.44%
 3.56%
 3.95%
 10.3%
 66.89%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
35° 48' 43.1" North, 112° 31' 47.8" East
35° 14' 23" North, 113° 13' 59" East
34° 39' 48.3" North, 113° 56' 10.3" East
Some cities around Jiaozuo sort by population:
• Zhengzhou
		65.6 km =40.8 mi, 
144°
• Luoyang
		94.2 km =58.5 mi, 
228°
• Kaifeng
		109.4 km =68 mi, 
116°
• Xinxiang
		51.9 km =32.2 mi, 
96°
• Jincheng
		46.6 km =29 mi, 
308°
• Songyang
		89.2 km =55.4 mi, 
192°
• Xixiang
		34.5 km =21.4 mi, 
255°
• Zijinglu
		58.4 km =36.3 mi, 
204°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016