Night Light of Guangyuan (Sichuan) from space (China) Src. Average luminocity for 10x10km area is 47.6648% and for 50x50km: 4.0848%.
Square area 10x10 km:
 10.81%
 10.44%
 3.3%
 6.23%
 5.13%
 4.4%
 9.89%
 2.75%
 17.22%
 27.84%
 2.01%Square area 50x50 km:
 0.53%
 0.58%
 0.23%
 0.51%
 0.45%
 0.52%
 1.02%
 0.5%
 1.02%
 3.21%
 91.45%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
33° 2' 0.4" North, 105° 7' 11.6" East
32° 26' 31.2" North, 105° 49' 22.8" East
31° 50' 48" North, 106° 31' 34.1" East
Some cities around Guangyuan sort by population:
• Nanchong
		184.8 km =114.8 mi, 
172°
• Mianyang
		152.7 km =94.9 mi, 
224°
• Gaoping
		187.2 km =116.3 mi, 
171°
• Hanzhong
		132.4 km =82.3 mi, 
57°
• Jiangyou
		128.4 km =79.8 mi, 
234°
• Nanlong
		123.2 km =76.6 mi, 
169°
• Langzhong
		100.4 km =62.4 mi, 
170°
• Tongchuan
		165.2 km =102.7 mi, 
204°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016