Night Light of Tianchang (Hebei) from space (China) Src. Average luminocity for 10x10km area is 6.4432% and for 50x50km: 3.755%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 33' 0.2" North, 113° 18' 44.8" East
37° 59' 53" North, 114° 0' 56" East
37° 26' 30.8" North, 114° 43' 7.3" East
Some cities around Tianchang sort by population:
• Shijiazhuang
40.8 km =25.4 mi, 83°
• Xingtai
112.2 km =69.7 mi, 157°
• Luancheng
57.3 km =35.6 mi, 103°
• Yangquan
42.6 km =26.5 mi, 248°
• Yuci
118.1 km =73.4 mi, 252°
• Xinzhou
121 km =75.2 mi, 292°
• Dingzhou
103 km =64 mi, 56°
• Xinji
104.7 km =65.1 mi, 95°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016