Night Light of Daqing (Heilongjiang) from space (China) Src. Average luminocity for 10x10km area is 71.0682% and for 50x50km: 24.6943%.
Square area 10x10 km:
 9.23%
 13.64%
 10.8%
 10.94%
 23.44%
 24.15%
 5.97%
 1.85%
 0%
 0%
 0%Square area 50x50 km:
 3.49%
 5.63%
 2.39%
 2.95%
 3.61%
 4.82%
 3.55%
 3.82%
 5.9%
 10.94%
 52.89%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
47° 3' 51.9" North, 124° 17' 48.8" East
46° 34' 60" North, 125° 0' 0" East
46° 5' 52.5" North, 125° 42' 11.3" East
Some cities around Daqing sort by population:
• Fendou
		12.3 km =7.6 mi, 
301°
• Anda
		31.4 km =19.5 mi, 
129°
• Zhaodong
		94.8 km =58.9 mi, 
127°
• Longfeng
		9.8 km =6.1 mi, 
125°
• Honggang
		22.1 km =13.7 mi, 
203°
• Qinggang
		85.2 km =52.9 mi, 
82°
• Mingshui
		95.4 km =59.3 mi, 
45°
• Taikang
		52.6 km =32.7 mi, 
306°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016