Night Light of Shuangcheng (Heilongjiang) from space (China) Src. Average luminocity for 10x10km area is 11.9063% and for 50x50km: 1.0364%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
45° 50' 31.1" North, 125° 34' 48.8" East
45° 21' 0" North, 126° 16' 60" East
44° 51' 13.3" North, 126° 59' 11.3" East
Some cities around Shuangcheng sort by population:
• Harbin
52.9 km =32.9 mi, 32°
• Zhaodong
83.1 km =51.6 mi, 343°
• Acheng
58.3 km =36.2 mi, 68°
• Yushu
64.2 km =39.9 mi, 162°
• Hulan
74.6 km =46.4 mi, 19°
• Wuchang
83.5 km =51.9 mi, 125°
• Zhaozhou
83.9 km =52.1 mi, 296°
• Zhaoyuan
91.3 km =56.7 mi, 280°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016