Night Light of Yanta (Shandong) from space (China) Src. Average luminocity for 10x10km area is 27.3514% and for 50x50km: 5.2906%.
Square area 10x10 km:
 0%
 4.72%
 4.55%
 3.85%
 3.85%
 7.17%
 3.85%
 6.12%
 5.77%
 18.71%
 41.43%Square area 50x50 km:
 0.09%
 0.77%
 0.79%
 0.54%
 0.69%
 0.97%
 0.55%
 1.48%
 1.41%
 4.13%
 88.58%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
36° 48' 22.1" North, 114° 57' 50.8" East
36° 14' 28" North, 115° 40' 2" East
35° 40' 19.1" North, 116° 22' 13.3" East
Some cities around Yanta sort by population:
• Puyang Chengguanzhen
		83.7 km =52 mi, 
224°
• Liaocheng
		36.7 km =22.8 mi, 
49°
• Qingnian
		66.7 km =41.4 mi, 
3°
• Feicheng
		98.5 km =61.2 mi, 
89°
• Yanggu
		17.5 km =10.9 mi, 
146°
• Zhoucheng
		68.5 km =42.6 mi, 
122°
• Pingyin
		69.9 km =43.4 mi, 
86°
• Wenshang
		93.9 km =58.3 mi, 
127°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016