Night Light of Zhangjiajie (Hunan) from space (China) Src. Average luminocity for 10x10km area is 34.375% and for 50x50km: 1.8814%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
29° 44' 30.4" North, 109° 46' 30.8" East
29° 7' 46" North, 110° 28' 42" East
28° 30' 48.3" North, 111° 10' 53.3" East
Some cities around Zhangjiajie sort by population:
• Changde
117 km =72.7 mi, 94°
• Fenghuang
158.1 km =98.2 mi, 212°
• Zhicheng
163.2 km =101.4 mi, 37°
• Qianzhou
115.7 km =71.9 mi, 218°
• Enshi
161.8 km =100.5 mi, 323°
• Jinshi
144.9 km =90 mi, 68°
• Anxiang
164.9 km =102.5 mi, 79°
• Wulingyuan
25.3 km =15.7 mi, 14°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016