Night Light of Joensuu (North Karelia) from space (Finland) Src. Average luminocity for 10x10km area is 65.4814% and for 50x50km: 7.6253%.
Square area 10x10 km:
 18.53%
 21.84%
 10.04%
 8.07%
 2.59%
 1.55%
 1.14%
 7.97%
 17.08%
 8.07%
 3.11%Square area 50x50 km:
 1.04%
 1.4%
 1.08%
 1.3%
 1.03%
 0.34%
 0.42%
 0.78%
 1.89%
 5.3%
 85.41%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
62° 55' 22.8" North, 29° 3' 36.1" East
62° 36' 4.2" North, 29° 45' 47.4" East
62° 16' 33.1" North, 30° 27' 58.6" East
Some cities around Joensuu sort by population:
• Kontiolahti
		18.2 km =11.3 mi, 
13°
• Liperi
		21.7 km =13.5 mi, 
249°
• Kitee
		59.2 km =36.8 mi, 
160°
• Outokumpu
		40.6 km =25.2 mi, 
290°
• Pyhäselkä
		21.4 km =13.3 mi, 
150°
• Eno
		30.2 km =18.8 mi, 
41°
• Ilomantsi
		60.3 km =37.5 mi, 
82°
• Juuka
		74.9 km =46.5 mi, 
339°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016