Night Light of Liangxiang (Beijing) from space (China) Src. Average luminocity for 10x10km area is 82.6234% and for 50x50km: 46.812%.
Square area 10x10 km:
 18.51%
 18.51% 23.21%
 23.21% 13.64%
 13.64% 21.75%
 21.75% 16.56%
 16.56% 4.87%
 4.87% 1.46%
 1.46% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 15.73%
 15.73% 8.47%
 8.47% 6.18%
 6.18% 6.24%
 6.24% 6.52%
 6.52% 3.66%
 3.66% 3.93%
 3.93% 4.32%
 4.32% 5.44%
 5.44% 11.19%
 11.19% 28.32%
 28.32%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
40° 16' 28.4" North, 115° 25' 47.4" East
39° 44' 9.5" North, 116° 7' 58.6" East
39° 11' 35.4" North, 116° 50' 9.9" East
Some cities around Liangxiang sort by population:
• Beijing
		29.5 km =18.3 mi,  49°
49°
• Langfang
		54.3 km =33.7 mi,  117°
117°
• Mentougou
		22.7 km =14.1 mi,  351°
351°
• Tongzhou
		48.9 km =30.4 mi,  67°
67°
• Shunyi
		61.4 km =38.2 mi,  45°
45°
• Daxing
		16.6 km =10.3 mi,  88°
88°
• Fangshan
		12.9 km =8 mi,  244°
244°
• Changping
		54.1 km =33.6 mi,  9°
9°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016