Night Light of Tailai (Heilongjiang) from space (China) Src. Average luminocity for 10x10km area is 14.3705% and for 50x50km: 0.638%.
Square area 10x10 km:
 0.3%
 2.83%
 1.93%
 3.27%
 2.38%
 0%
 1.93%
 2.53%
 3.13%
 3.72%
 77.98%Square area 50x50 km:
 0.01%
 0.11%
 0.08%
 0.13%
 0.09%
 0%
 0.15%
 0.1%
 0.12%
 0.15%
 99.06%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
46° 52' 18.9" North, 122° 42' 38.1" East
46° 23' 20.7" North, 123° 24' 49.4" East
45° 54' 7" North, 124° 7' 0.6" East
Some cities around Tailai sort by population:
• Qiqihar
		113.7 km =70.6 mi, 
21°
• Baicheng
		98.2 km =61 mi, 
207°
• Hulan Ergi
		92.2 km =57.3 mi, 
10°
• Ulanhot
		107.8 km =67 mi, 
251°
• Honggang
		112.7 km =70 mi, 
89°
• Longjiang
		106.2 km =66 mi, 
350°
• Zhenlai
		60.7 km =37.7 mi, 
188°
• Taikang
		94.5 km =58.7 mi, 
56°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016