Night Light of Houyu (Fujian) from space (China) Src. Average luminocity for 10x10km area is 36.4306% and for 50x50km: 31.149%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
26° 41' 22.2" North, 118° 49' 54.8" East
26° 3' 34.5" North, 119° 32' 6.1" East
25° 25' 34.5" North, 120° 14' 17.3" East
Some cities around Houyu sort by population:
• Fuzhou
22.9 km =14.2 mi, 270°
• Tantou
7 km =4.3 mi, 117°
• Fuqing
40.3 km =25 mi, 202°
• Dongdai
22 km =13.7 mi, 21°
• Dinghaicun
35.3 km =21.9 mi, 46°
• Shangjie
35.1 km =21.8 mi, 274°
• Guantou
8.9 km =5.5 mi, 17°
• Tingjiang
3.3 km =2.1 mi, 298°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016