Night Light of Pokrovsk (Sakha) from space (Russia) Src. Average luminocity for 10x10km area is 8.1046% and for 50x50km: 0.5759%.
Square area 10x10 km:
 0.93%
 1.45%
 0.93%
 0.31%
 1.14%
 1.86%
 1.04%
 1.04%
 0.83%
 1.24%
 89.23%Square area 50x50 km:
 0.05%
 0.07%
 0.09%
 0.04%
 0.07%
 0.14%
 0.14%
 0.09%
 0.1%
 0.06%
 99.16%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
61° 48' 41.8" North, 128° 26' 1.9" East
61° 28' 39.6" North, 129° 8' 13.2" East
61° 8' 24.4" North, 129° 50' 24.4" East
Some cities around Pokrovsk sort by population:
• Yakutsk
		69.3 km =43.1 mi, 
26°
• Markha
		77.7 km =48.3 mi, 
24°
• Zhatay
		84.1 km =52.3 mi, 
25°
• Namtsy
		140.8 km =87.5 mi, 
11°
• Mokhsogollokh
		13.9 km =8.6 mi, 
229°
• Mayya
		67.1 km =41.7 mi, 
64°
• Amga
		165.3 km =102.7 mi, 
112°
• Berdigestyakh
		145.7 km =90.5 mi, 
298°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016