Night Light of Jiuquan (Gansu) from space (China) Src. Average luminocity for 10x10km area is 48.875% and for 50x50km: 8.0023%.
Square area 10x10 km:
9.74%
9.58%
5.68%
11.69%
4.38%
3.25%
6.66%
6.49%
11.85%
22.4%
8.28%Square area 50x50 km:
0.9%
1.03%
0.72%
2.58%
0.63%
0.62%
1.15%
1.42%
2.37%
6.01%
82.57%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
40° 16' 54.1" North, 97° 48' 51.3" East
39° 44' 35.4" North, 98° 31' 2.5" East
39° 12' 1.5" North, 99° 13' 13.8" East
Some cities around Jiuquan sort by population:
• Xining
447.5 km =278.1 mi,
140°
• Wuwei
409.6 km =254.5 mi,
119°
• Baiyin
608.6 km =378.2 mi,
125°
• Jinchang
345.9 km =214.9 mi,
113°
• Hami
541.5 km =336.5 mi,
309°
• Jiayuguan
21.2 km =13.2 mi,
290°
• Zhangye
189.1 km =117.5 mi,
118°
• Laojunmiao
67.7 km =42.1 mi,
278°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016