Night Light of Choyr (Govĭ-Sumber) from space (Mongolia) Src. Average luminocity for 10x10km area is 1.6935% and for 50x50km: 0.0739%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 0%
 1.19%
 0%
 1.19%
 1.79%
 0.3%
 95.54%Square area 50x50 km:
 0%
 0%
 0%
 0%
 0%
 0.05%
 0%
 0.05%
 0.07%
 0.04%
 99.8%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
46° 50' 39.1" North, 107° 39' 28.8" East
46° 21' 40" North, 108° 21' 40" East
45° 52' 25.4" North, 109° 3' 51.3" East
Some cities around Choyr sort by population:
• Ulan Bator
		205.1 km =127.4 mi, 
326°
• Saynshand
		213.7 km =132.8 mi, 
140°
• Dzüünharaa
		311.6 km =193.6 mi, 
332°
• Зуунмод
		183.8 km =114.2 mi, 
324°
• Baruun-Urt
		377.9 km =234.8 mi, 
84°
• Mandalgovi
		174.5 km =108.4 mi, 
247°
• Undurkhaan
		204.5 km =127.1 mi, 
58°
• Dzuunmod
		183.8 km =114.2 mi, 
324°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016