Night Light of Yutan (Hunan) from space (China) Src. Average luminocity for 10x10km area is 50.7321% and for 50x50km: 6.6239%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
28° 52' 33" North, 111° 51' 26.5" East
28° 15' 29.9" North, 112° 33' 37.7" East
27° 38' 13.9" North, 113° 15' 49" East
Some cities around Yutan sort by population:
• Changsha
40.7 km =25.3 mi, 99°
• Zhuzhou
74.7 km =46.4 mi, 129°
• Xiangtan
56.3 km =35 mi, 143°
• Yiyang
43.2 km =26.8 mi, 328°
• Loudi
80.5 km =50 mi, 223°
• Xiangxiang
58.4 km =36.3 mi, 182°
• Qionghu
67.3 km =41.8 mi, 344°
• Wenxing
56.5 km =35.1 mi, 33°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016