Night Light of Longfeng (Heilongjiang) from space (China) Src. Average luminocity for 10x10km area is 70.9702% and for 50x50km: 24.9295%.
Square area 10x10 km:
 17.33%
 26.7%
 3.98%
 7.67%
 7.53%
 8.1%
 8.52%
 7.67%
 11.79%
 0.71%
 0%Square area 50x50 km:
 3.49%
 5.68%
 2.46%
 3%
 3.64%
 4.87%
 3.62%
 3.83%
 6%
 10.87%
 52.56%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
47° 0' 47.7" North, 124° 24' 2.4" East
46° 31' 54" North, 125° 6' 13.7" East
46° 2' 44.9" North, 125° 48' 24.9" East
Some cities around Longfeng sort by population:
• Fendou
		22.1 km =13.7 mi, 
303°
• Daqing
		9.8 km =6.1 mi, 
305°
• Anda
		21.6 km =13.4 mi, 
131°
• Zhaodong
		85 km =52.8 mi, 
127°
• Honggang
		22.3 km =13.9 mi, 
229°
• Qinggang
		78.4 km =48.7 mi, 
77°
• Mingshui
		94.3 km =58.6 mi, 
39°
• Taikang
		62.4 km =38.8 mi, 
305°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016