Night Light of Yukhnov (Kaluga) from space (Russia) Src. Average luminocity for 10x10km area is 0.9085% and for 50x50km: 0.0354%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0%
 0%
 1%
 0.5%
 0.88%
 0.13%
 97.49%Square area 50x50 km:
 0%
 0%
 0%
 0%
 0%
 0%
 0.04%
 0.02%
 0.03%
 0%
 99.9%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
55° 8' 53.8" North, 34° 31' 35.8" East
54° 44' 40" North, 35° 13' 47" East
54° 20' 11.5" North, 35° 55' 58.3" East
Some cities around Yukhnov sort by population:
• Kaluga
		71.4 km =44.4 mi, 
109°
• Vyaz’ma
		79 km =49.1 mi, 
310°
• Kondrovo
		45.3 km =28.1 mi, 
81°
• Sukhinichi
		72 km =44.7 mi, 
174°
• Tovarkovo
		46.2 km =28.7 mi, 
99°
• Vorotynsk
		63.3 km =39.3 mi, 
123°
• Medyn’
		47.4 km =29.5 mi, 
58°
• Polotnyanyy Zavod
		47.3 km =29.4 mi, 
93°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016