Night Light of Mardin from space (Turkey) Src. Average luminocity for 10x10km area is 45.1753% and for 50x50km: 11.2516%.
Square area 10x10 km:
 6.98%
 12.18%
 7.63%
 2.6%
 4.06%
 3.73%
 5.19%
 6.66%
 18.02%
 28.9%
 4.06%Square area 50x50 km:
 1.24%
 2.04%
 1.34%
 0.82%
 1.19%
 1.25%
 1.87%
 2.07%
 4.41%
 8.34%
 75.43%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
37° 52' 12.8" North, 40° 2' 25.6" East
37° 18' 47.1" North, 40° 44' 36.9" East
36° 45' 6.4" North, 41° 26' 48.1" East
Some cities around Mardin sort by population:
• Kızıltepe
		20.2 km =12.6 mi, 
226°
• Yeşilli
		7.1 km =4.4 mi, 
66°
• Ad Darbāsīyah, SY
		27.9 km =17.3 mi, 
196°
• Kabala
		6.2 km =3.9 mi, 
54°
• Savur
		27.5 km =17.1 mi, 
25°
• Ömerli
		20.9 km =13 mi, 
62°
• Akarsu
		28.9 km =18 mi, 
109°
• Ortaköy
		10.9 km =6.8 mi, 
160°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016