Night Light of Pingliang (Gansu) from space (China) Src. Average luminocity for 10x10km area is 42.2692% and for 50x50km: 2.8582%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
36° 6' 33.4" North, 105° 58' 58.8" East
35° 32' 21" North, 106° 41' 10" East
34° 57' 54" North, 107° 23' 21.3" East
Some cities around Pingliang sort by population:
• Xi’an
249.2 km =154.8 mi, 124°
• Tianshui
137 km =85.1 mi, 218°
• Xianyang
227.2 km =141.2 mi, 126°
• Tongchuanshi
223.7 km =139 mi, 103°
• Guozhen
144.1 km =89.5 mi, 154°
• Beidao
129.8 km =80.7 mi, 213°
• Yuxia
241.8 km =150.2 mi, 132°
• Mawu
203.3 km =126.3 mi, 232°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016