Night Light of Tongchuan (Sichuan) from space (China) Src. Average luminocity for 10x10km area is 22.6978% and for 50x50km: 1.1664%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
31° 41' 39.3" North, 104° 23' 3.1" East
31° 5' 38.7" North, 105° 5' 14.3" East
30° 29' 24.3" North, 105° 47' 25.6" East
Some cities around Tongchuan sort by population:
• Nanchong
100.8 km =62.6 mi, 109°
• Mianyang
56.7 km =35.2 mi, 317°
• Gaoping
103.1 km =64.1 mi, 110°
• Deyang
67.3 km =41.8 mi, 273°
• Jiangyou
82.6 km =51.3 mi, 334°
• Suining
80 km =49.7 mi, 144°
• Nanlong
97.2 km =60.4 mi, 72°
• Langzhong
99.9 km =62.1 mi, 59°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016