Night Light of Kokhma (Ivanovo) from space (Russia) Src. Average luminocity for 10x10km area is 26.7625% and for 50x50km: 5.7124%.
Square area 10x10 km:
 3.07%
 3.98%
 2.73%
 1.48%
 6.02%
 5.23%
 5.57%
 2.05%
 11.02%
 16.7%
 42.16%Square area 50x50 km:
 1.06%
 1.22%
 0.45%
 0.54%
 0.93%
 0.6%
 0.75%
 0.47%
 1.8%
 3.25%
 88.94%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
57° 18' 59.5" North, 40° 23' 18.2" East
56° 56' 5.5" North, 41° 5' 29.4" East
56° 32' 57.4" North, 41° 47' 40.7" East
Some cities around Kokhma sort by population:
• Ivanovo
		10.1 km =6.3 mi, 
313°
• Shuya
		20.4 km =12.7 mi, 
118°
• Furmanov
		35.5 km =22.1 mi, 
1°
• Teykovo
		34.7 km =21.6 mi, 
255°
• Rodniki
		43.1 km =26.8 mi, 
63°
• Novo-Talitsy
		16 km =9.9 mi, 
298°
• Lezhnevo
		21.5 km =13.4 mi, 
214°
• Savino
		38.8 km =24.1 mi, 
168°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016