Night Light of Jiayuguan (Gansu) from space (China) Src. Average luminocity for 10x10km area is 62.6803% and for 50x50km: 8.3633%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
40° 20' 57.1" North, 97° 34' 59" East
39° 48' 40.4" North, 98° 17' 10.2" East
39° 16' 8.3" North, 98° 59' 21.5" East
Some cities around Jiayuguan sort by population:
• Xining
466.2 km =289.7 mi, 139°
• Wuwei
430.6 km =267.6 mi, 119°
• Jinchang
367 km =228 mi, 113°
• Hami
521.7 km =324.2 mi, 310°
• Zhangye
210.1 km =130.6 mi, 117°
• Laojunmiao
47.3 km =29.4 mi, 272°
• Jiuquan
21.2 km =13.2 mi, 110°
• Hovd, MN
627.8 km =390.1 mi, 30°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016