Night Light of Huaidian (Henan) from space (China) Src. Average luminocity for 10x10km area is 8.6329% and for 50x50km: 3.8979%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
34° 1' 5.2" North, 114° 19' 48.8" East
33° 25' 60" North, 115° 1' 60" East
32° 50' 40.5" North, 115° 44' 11.3" East
Some cities around Huaidian sort by population:
• Luohe
93 km =57.8 mi, 278°
• Zhoukou
43.2 km =26.8 mi, 300°
• Bozhou
84.2 km =52.3 mi, 54°
• Jieshou
35.8 km =22.2 mi, 121°
• Jishui
47.6 km =29.6 mi, 45°
• Wacheng
61.7 km =38.3 mi, 309°
• Xincheng
26.2 km =16.3 mi, 32°
• Runing
79.4 km =49.3 mi, 232°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016