Night Light of Changsha (Hunan) from space (China) Src. Average luminocity for 10x10km area is 98.119% and for 50x50km: 39.9808%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
28° 48' 59.8" North, 112° 16' 3.9" East
28° 11' 55.5" North, 112° 58' 15.1" East
27° 34' 38.2" North, 113° 40' 26.4" East
Some cities around Changsha sort by population:
• Guankou
64.5 km =40.1 mi, 93°
• Zhuzhou
44.3 km =27.5 mi, 156°
• Xiangtan
39.4 km =24.5 mi, 190°
• Yiyang
76.4 km =47.5 mi, 304°
• Xishan
78.8 km =49 mi, 138°
• Xiangxiang
67.3 km =41.8 mi, 219°
• Wenxing
54.5 km =33.9 mi, 350°
• Yutan
40.7 km =25.3 mi, 279°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016