Night Light of Tung Chung (Islands) from space (Hong Kong) Src. Average luminocity for 10x10km area is 55.3277% and for 50x50km: 28.6026%.
Square area 10x10 km:
 11.36%
 11.36% 9.85%
 9.85% 4.17%
 4.17% 7.39%
 7.39% 6.82%
 6.82% 8.71%
 8.71% 10.61%
 10.61% 17.23%
 17.23% 17.42%
 17.42% 6.44%
 6.44% 0%
 0%Square area 50x50 km:
 7.67%
 7.67% 5.87%
 5.87% 1.61%
 1.61% 3.44%
 3.44% 3.95%
 3.95% 5.52%
 5.52% 4.92%
 4.92% 3.98%
 3.98% 3.79%
 3.79% 5.32%
 5.32% 53.92%
 53.92%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
22° 56' 12.8" North, 113° 14' 21.5" East
22° 17' 16.2" North, 113° 56' 32.7" East
21° 38' 8.6" North, 114° 38' 44" East
Some cities around Tung Chung sort by population:
• Hong Kong
		23.9 km =14.9 mi,  92°
92°
• Tsuen Wan
		19.9 km =12.4 mi,  62°
62°
• Yuen Long Kau Hui
		20.3 km =12.6 mi,  27°
27°
• Tuen Mun
		11.9 km =7.4 mi,  14°
14°
• Yung Shue Wan
		18.8 km =11.7 mi,  111°
111°
• Wan Chai
		23.7 km =14.7 mi,  91°
91°
• Sham Shui Po
		22.8 km =14.2 mi,  78°
78°
• Central
		22.2 km =13.8 mi,  91°
91°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016