Night Light of Markha (Sakha) from space (Russia) Src. Average luminocity for 10x10km area is 44.2875% and for 50x50km: 6.3731%.
Square area 10x10 km:
 9.29%
 9.39%
 5.63%
 5.14%
 4.15%
 4.05%
 5.34%
 6.62%
 17.39%
 22.53%
 10.47%Square area 50x50 km:
 1.75%
 1.34%
 0.5%
 0.67%
 0.56%
 0.6%
 0.55%
 0.82%
 1.6%
 3.18%
 88.42%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
62° 26' 29.8" North, 129° 2' 27.3" East
62° 6' 52.3" North, 129° 44' 38.5" East
61° 47' 2" North, 130° 26' 49.8" East
Some cities around Markha sort by population:
• Yakutsk
		9 km =5.6 mi, 
183°
• Pokrovsk
		77.7 km =48.3 mi, 
204°
• Zhatay
		6.7 km =4.2 mi, 
41°
• Namtsy
		67.4 km =41.9 mi, 
356°
• Churapcha
		140.7 km =87.4 mi, 
95°
• Mokhsogollokh
		90.4 km =56.2 mi, 
207°
• Mayya
		50.4 km =31.3 mi, 
146°
• Borogontsy
		95.8 km =59.5 mi, 
49°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016