Night Light of Hecun (Hebei) from space (China) Src. Average luminocity for 10x10km area is 12.859% and for 50x50km: 12.2309%.
Square area 10x10 km:
 0%
 0.55%
 1.65%
 1.1%
 1.83%
 2.2%
 0.73%
 4.21%
 5.68%
 11.54%
 70.51%Square area 50x50 km:
 0.56%
 1.3%
 1.23%
 1.5%
 1.52%
 2.4%
 1.78%
 4.71%
 3.85%
 9.88%
 71.27%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
37° 5' 46.4" North, 113° 24' 28.8" East
36° 31' 60" North, 114° 6' 40" East
35° 57' 58.7" North, 114° 48' 51.3" East
Some cities around Hecun sort by population:
• Handan
		32.7 km =20.3 mi, 
76°
• Anyang
		54.4 km =33.8 mi, 
153°
• Xingtai
		68.1 km =42.3 mi, 
30°
• Hebi
		70.9 km =44.1 mi, 
174°
• Shahecheng
		57.1 km =35.5 mi, 
37°
• Linshui
		14.7 km =9.1 mi, 
145°
• Pengcheng
		12.5 km =7.8 mi, 
155°
• Yigou
		82.4 km =51.2 mi, 
167°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016