Night Light of Ryazhsk (Ryazan Oblast) from space (Russia) Src. Average luminocity for 10x10km area is 0.9533% and for 50x50km: 0.0781%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0%
 0%
 1.01%
 1.01%
 0.51%
 0%
 97.47%Square area 50x50 km:
 0%
 0%
 0%
 0%
 0%
 0%
 0.05%
 0.12%
 0.04%
 0.02%
 99.78%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
54° 7' 4.7" North, 39° 24' 28" East
53° 42' 13.7" North, 40° 6' 39.2" East
53° 17' 7.9" North, 40° 48' 50.5" East
Some cities around Ryazhsk sort by population:
• Skopin
		39.2 km =24.4 mi, 
290°
• Novomichurinsk
		44.2 km =27.5 mi, 
327°
• Korablino
		24.5 km =15.2 mi, 
344°
• Chaplygin
		52.1 km =32.4 mi, 
190°
• Pervomayskiy
		52 km =32.3 mi, 
167°
• Staroyur’yevo
		58.5 km =36.4 mi, 
137°
• Ukholovo
		26.8 km =16.7 mi, 
68°
• Starozhilovo
		59.4 km =36.9 mi, 
347°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016