Night Light of Huadian (Jilin) from space (China) Src. Average luminocity for 10x10km area is 12.3159% and for 50x50km: 0.5669%.
Square area 10x10 km:
 0%
 3.02%
 2.06%
 2.38%
 0.79%
 0.63%
 1.9%
 2.54%
 2.06%
 2.06%
 82.54%Square area 50x50 km:
 0%
 0.12%
 0.08%
 0.09%
 0.03%
 0.03%
 0.1%
 0.13%
 0.16%
 0.09%
 99.17%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
43° 28' 32.6" North, 126° 2' 40.8" East
42° 57' 48" North, 126° 44' 52" East
42° 26' 47.9" North, 127° 27' 3.3" East
Some cities around Huadian sort by population:
• Jilin
		99.8 km =62 mi, 
351°
• Minzhu
		96.7 km =60.1 mi, 
29°
• Panshi
		56.3 km =35 mi, 
267°
• Chaoyang
		67.7 km =42.1 mi, 
240°
• Sanchazi
		98.8 km =61.4 mi, 
187°
• Huinan
		54.9 km =34.1 mi, 
226°
• Yantongshan
		70.2 km =43.6 mi, 
301°
• Baishishan
		95.6 km =59.4 mi, 
43°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016