Night Light of Kaltan (Kemerovo Oblast) from space (Russia) Src. Average luminocity for 10x10km area is 6.3254% and for 50x50km: 3.2352%.
Square area 10x10 km:
 0.66%
 0.4%
 0.4%
 2.25%
 1.59%
 1.59%
 0%
 0%
 0%
 0%
 93.12%Square area 50x50 km:
 0.52%
 0.59%
 0.15%
 0.31%
 0.35%
 0.49%
 0.4%
 0.46%
 0.89%
 2.2%
 93.65%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
53° 57' 1.9" North, 86° 32' 33.3" East
53° 32' 4.9" North, 87° 14' 44.5" East
53° 6' 53.1" North, 87° 56' 55.8" East
Some cities around Kaltan sort by population:
• Novokuznetsk
		26.2 km =16.3 mi, 
339°
• Prokop’yevsk
		53.9 km =33.5 mi, 
319°
• Mezhdurechensk
		56.6 km =35.2 mi, 
71°
• Osinniki
		12.5 km =7.8 mi, 
37°
• Myski
		41.5 km =25.8 mi, 
62°
• Abagur
		21.8 km =13.5 mi, 
1°
• Mundybash
		36.2 km =22.5 mi, 
174°
• Tayzhina
		19.4 km =12.1 mi, 
40°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016