Night Light of Xucheng (Guangdong) from space (China) Src. Average luminocity for 10x10km area is 24.1515% and for 50x50km: 2.2007%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
20° 59' 13.5" North, 109° 27' 50.4" East
20° 19' 45" North, 110° 10' 1.6" East
19° 40' 6.4" North, 110° 52' 12.9" East
Some cities around Xucheng sort by population:
• Zhongshan
117.9 km =73.3 mi, 20°
• Zhanjiang
107.4 km =66.7 mi, 9°
• Haikou
36.4 km =22.6 mi, 149°
• Xiuying
38.8 km =24.1 mi, 160°
• Wenchang
100 km =62.1 mi, 142°
• Qiongshan
40.9 km =25.4 mi, 151°
• Jinjiang
68.8 km =42.8 mi, 193°
• Lincheng
68.7 km =42.7 mi, 227°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016