Night Light of Ducheng (Guangdong) from space (China) Src. Average luminocity for 10x10km area is 19.9508% and for 50x50km: 2.5253%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
23° 53' 11.8" North, 110° 49' 31" East
23° 14' 31.6" North, 111° 31' 42.2" East
22° 35' 40.2" North, 112° 13' 53.5" East
Some cities around Ducheng sort by population:
• Yunfu
62.9 km =39.1 mi, 123°
• Zhaoqing
97.7 km =60.7 mi, 102°
• Wuzhou
34.4 km =21.4 mi, 321°
• Lubu
77.5 km =48.2 mi, 95°
• Huaicheng
100.2 km =62.3 mi, 41°
• Nanfeng
60.5 km =37.6 mi, 26°
• Nandu
84.1 km =52.3 mi, 239°
• Jinji
71.8 km =44.6 mi, 268°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016