Night Light of Ergani (Diyarbakır) from space (Turkey) Src. Average luminocity for 10x10km area is 34.2058% and for 50x50km: 3.5318%.
Square area 10x10 km:
 4.59%
 7.99%
 5.95%
 2.21%
 2.55%
 4.42%
 3.91%
 5.27%
 4.59%
 38.44%
 20.07%Square area 50x50 km:
 0.25%
 0.63%
 0.32%
 0.24%
 0.45%
 0.58%
 0.76%
 0.56%
 0.66%
 2.46%
 93.1%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 49' 8.1" North, 39° 3' 4.8" East
38° 16' 8.4" North, 39° 45' 16.1" East
37° 42' 53.5" North, 40° 27' 27.3" East
Some cities around Ergani sort by population:
• Diyarbakır
		56.6 km =35.2 mi, 
134°
• Kovancılar
		50.9 km =31.6 mi, 
10°
• Çermik
		30.9 km =19.2 mi, 
241°
• Dicle
		29.1 km =18.1 mi, 
68°
• Palu
		49.1 km =30.5 mi, 
17°
• Sivrice
		43.3 km =26.9 mi, 
296°
• Arıcak
		46 km =28.6 mi, 
44°
• Çüngüş
		41.5 km =25.8 mi, 
260°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016