Night Light of Puyang Chengguanzhen (Henan) from space (China) Src. Average luminocity for 10x10km area is 46.708% and for 50x50km: 11.8489%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
36° 16' 26.3" North, 114° 18' 39.5" East
35° 42' 18.2" North, 115° 0' 50.7" East
35° 7' 55.4" North, 115° 43' 2" East
Some cities around Puyang Chengguanzhen sort by population:
• Anyang
71.6 km =44.5 mi, 307°
• Heze
66.4 km =41.3 mi, 141°
• Hebi
77.2 km =48 mi, 286°
• Yanta
83.7 km =52 mi, 44°
• Yanggu
82.1 km =51 mi, 56°
• Yigou
64 km =39.8 mi, 280°
• Dingtao
86.1 km =53.5 mi, 144°
• Daokou
48.5 km =30.1 mi, 251°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016