Night Light of Daokou (Henan) from space (China) Src. Average luminocity for 10x10km area is 32.6429% and for 50x50km: 6.8688%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
36° 8' 1.7" North, 113° 48' 9.8" East
35° 33' 50" North, 114° 30' 21" East
34° 59' 23.6" North, 115° 12' 32.3" East
Some cities around Daokou sort by population:
• Kaifeng
87 km =54.1 mi, 191°
• Anyang
60.2 km =37.4 mi, 349°
• Xinxiang
76.2 km =47.3 mi, 236°
• Puyang Chengguanzhen
48.5 km =30.1 mi, 71°
• Heze
94.8 km =58.9 mi, 112°
• Hebi
46.8 km =29.1 mi, 322°
• Linshui
99.5 km =61.8 mi, 344°
• Yigou
32.4 km =20.1 mi, 328°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016