Night Light of Xuchang (Henan) from space (China) Src. Average luminocity for 10x10km area is 67.0192% and for 50x50km: 11.0588%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
34° 36' 45.3" North, 113° 9' 35.5" East
34° 1' 54.8" North, 113° 51' 46.8" East
33° 26' 49.9" North, 114° 33' 58" East
Some cities around Xuchang sort by population:
• Zhengzhou
83.1 km =51.6 mi, 346°
• Pingdingshan
61.3 km =38.1 mi, 237°
• Luohe
54.6 km =33.9 mi, 162°
• Zhoukou
83.8 km =52.1 mi, 121°
• Yingchuan
39.5 km =24.5 mi, 291°
• Wacheng
66.4 km =41.3 mi, 114°
• Xiangcheng Chengguanzhen
41 km =25.5 mi, 239°
• Songyang
90 km =55.9 mi, 301°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016