Night Light of Yunyang (Henan) from space (China) Src. Average luminocity for 10x10km area is 4.3741% and for 50x50km: 1.3481%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
34° 1' 55.6" North, 112° 0' 40" East
33° 26' 50.7" North, 112° 42' 51.2" East
32° 51' 31.6" North, 113° 25' 2.5" East
Some cities around Yunyang sort by population:
• Pingdingshan
63.3 km =39.3 mi, 59°
• Nanyang
53.1 km =33 mi, 198°
• Yingchuan
105.5 km =65.6 mi, 41°
• Binhe
85.1 km =52.9 mi, 172°
• Xiangcheng Chengguanzhen
83.5 km =51.9 mi, 57°
• Songyang
115.7 km =71.9 mi, 14°
• Hancheng
108.7 km =67.5 mi, 198°
• Huazhou
103.5 km =64.3 mi, 214°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016