Night Light of Chonglong (Sichuan) from space (China) Src. Average luminocity for 10x10km area is 22.2599% and for 50x50km: 4.1041%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
30° 23' 20.5" North, 104° 8' 56.8" East
29° 46' 50.2" North, 104° 51' 8.1" East
29° 10' 6.6" North, 105° 33' 19.3" East
Some cities around Chonglong sort by population:
• Zigong
49.4 km =30.7 mi, 188°
• Neijiang
29.9 km =18.6 mi, 137°
• Yibin
114.9 km =71.4 mi, 191°
• Leshan
107.9 km =67 mi, 256°
• Suining
106.5 km =66.2 mi, 40°
• Yongchuan
111.4 km =69.2 mi, 115°
• Yanjiang
42.7 km =26.5 mi, 332°
• Luocheng
91 km =56.5 mi, 241°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016