Night Light of Zhengjiatun (Jilin) from space (China) Src. Average luminocity for 10x10km area is 22.854% and for 50x50km: 1.1865%.
Square area 10x10 km:
 2.06%
 3.49%
 2.06%
 3.65%
 5.4%
 2.7%
 2.7%
 3.81%
 2.7%
 24.13%
 47.3%Square area 50x50 km:
 0.08%
 0.16%
 0.13%
 0.14%
 0.23%
 0.15%
 0.13%
 0.28%
 0.14%
 1.05%
 97.5%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
44° 0' 51.2" North, 122° 48' 11.8" East
43° 30' 23" North, 123° 30' 23" East
42° 59' 39.3" North, 124° 12' 34.3" East
Some cities around Zhengjiatun sort by population:
• Siping
		80.2 km =49.8 mi, 
118°
• Tongliao
		100.7 km =62.6 mi, 
276°
• Gongzhuling
		105.9 km =65.8 mi, 
90°
• Kaiyuan
		116.6 km =72.5 mi, 
158°
• Changtu
		94 km =58.4 mi, 
149°
• Lishu
		70 km =43.5 mi, 
108°
• Xifeng
		130.6 km =81.2 mi, 
130°
• Changling
		93.2 km =57.9 mi, 
25°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016