Night Light of Horasan (Erzurum) from space (Turkey) Src. Average luminocity for 10x10km area is 13.5666% and for 50x50km: 1.0898%.
Square area 10x10 km:
 0.65%
 1.95%
 2.27%
 2.92%
 0.32%
 2.92%
 2.27%
 1.95%
 0.65%
 1.3%
 82.79%Square area 50x50 km:
 0.03%
 0.08%
 0.15%
 0.14%
 0.09%
 0.2%
 0.42%
 0.31%
 0.22%
 0.18%
 98.19%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
40° 34' 30.1" North, 41° 27' 37.9" East
40° 2' 19.9" North, 42° 9' 49.2" East
39° 29' 54.3" North, 42° 52' 0.4" East
Some cities around Horasan sort by population:
• Pasinler
		42.6 km =26.5 mi, 
261°
• Sarıkamış
		48.2 km =30 mi, 
48°
• Oltu
		57.6 km =35.8 mi, 
344°
• Eleşkirt
		51.2 km =31.8 mi, 
121°
• Narman
		42.6 km =26.5 mi, 
322°
• Tortum
		59.8 km =37.2 mi, 
297°
• Tekman
		71.5 km =44.4 mi, 
231°
• Karayazı
		38.2 km =23.7 mi, 
182°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016