Night Light of Xinxiang (Henan) from space (China) Src. Average luminocity for 10x10km area is 45.1731% and for 50x50km: 18.2662%.
Square area 10x10 km:
 1.22%
 7.34%
 6.82%
 7.17%
 6.47%
 11.54%
 9.62%
 15.38%
 11.89%
 21.15%
 1.4%Square area 50x50 km:
 1.34%
 2.75%
 2.32%
 2.01%
 3.22%
 4.12%
 3.5%
 4.21%
 3.72%
 10.56%
 62.23%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
35° 45' 46.5" North, 113° 5' 54.2" East
35° 11' 25.2" North, 113° 48' 5.4" East
34° 36' 49.2" North, 114° 30' 16.7" East
Some cities around Xinxiang sort by population:
• Zhengzhou
		50.1 km =31.1 mi, 
196°
• Kaifeng
		63.4 km =39.4 mi, 
133°
• Jiaozuo
		51.9 km =32.2 mi, 
276°
• Hebi
		86.4 km =53.7 mi, 
24°
• Xixiang
		85.2 km =52.9 mi, 
267°
• Yigou
		83.3 km =51.8 mi, 
34°
• Daokou
		76.2 km =47.3 mi, 
56°
• Zijinglu
		89.5 km =55.6 mi, 
237°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016