Night Light of Youhao (Heilongjiang) from space (China) Src. Average luminocity for 10x10km area is 0% and for 50x50km: 0.2447%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 0%
 100%Square area 50x50 km:
 0%
 0%
 0%
 0%
 0.02%
 0.05%
 0.21%
 0.1%
 0.15%
 0.06%
 99.41%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
48° 19' 21.9" North, 128° 7' 57.1" East
47° 51' 11" North, 128° 50' 8.3" East
47° 22' 44.7" North, 129° 32' 19.6" East
Some cities around Youhao sort by population:
• Hegang
		123.2 km =76.6 mi, 
116°
• Yichun
		14.9 km =9.3 mi, 
168°
• Lianhe
		86.5 km =53.7 mi, 
157°
• Hailun
		147.7 km =91.8 mi, 
252°
• Tieli
		113.8 km =70.7 mi, 
211°
• Langxiang
		100.5 km =62.4 mi, 
178°
• Suileng
		146.9 km =91.3 mi, 
242°
• Xinqing
		70.3 km =43.7 mi, 
46°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016