Night Light of Chyorny Yar (Astrakhan) from space (Russia) Src. Average luminocity for 10x10km area is 1.1605% and for 50x50km: 0.4363%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0.57%
 0%
 0%
 1.14%
 0.85%
 0.28%
 97.16%Square area 50x50 km:
 0.02%
 0.02%
 0.02%
 0.09%
 0.07%
 0.09%
 0.07%
 0.09%
 0.13%
 0.35%
 99.05%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
48° 31' 48.7" North, 45° 24' 21.6" East
48° 3' 44.7" North, 46° 6' 32.8" East
47° 35' 25.3" North, 46° 48' 44.1" East
Some cities around Chyorny Yar sort by population:
• Akhtubinsk
		24.6 km =15.3 mi, 
10°
• Znamensk
		64.3 km =40 mi, 
334°
• Leninsk
		97.9 km =60.8 mi, 
316°
• Svetlyy Yar
		108.5 km =67.4 mi, 
295°
• Verkhniy Baskunchak
		48.9 km =30.4 mi, 
68°
• Kapustin Yar
		63.7 km =39.6 mi, 
334°
• Malyye Derbety
		106.9 km =66.4 mi, 
263°
• Tsagan Aman
		71.9 km =44.7 mi, 
140°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016