Night Light of Yiyang (Hunan) from space (China) Src. Average luminocity for 10x10km area is 46.7405% and for 50x50km: 3.9657%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
29° 12' 17.1" North, 111° 37' 30.8" East
28° 35' 21" North, 112° 19' 42" East
27° 58' 11.9" North, 113° 1' 53.3" East
Some cities around Yiyang sort by population:
• Changsha
76.4 km =47.5 mi, 124°
• Changde
81.2 km =50.5 mi, 308°
• Xiangxiang
97.3 km =60.5 mi, 168°
• Qionghu
28.3 km =17.6 mi, 9°
• Anxiang
91.8 km =57 mi, 349°
• Wenxing
54.7 km =34 mi, 79°
• Yutan
43.2 km =26.8 mi, 148°
• Nanzhou
86 km =53.4 mi, 4°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016