Night Light of Udachny (Sakha) from space (Russia) Src. Average luminocity for 10x10km area is 7.3192% and for 50x50km: 0.4847%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
66° 42' 34.1" North, 111° 41' 56.3" East
66° 25' 47.6" North, 112° 24' 7.6" East
66° 8' 49.7" North, 113° 6' 18.8" East
Some cities around Udachny sort by population:
• Mirny
439.4 km =273 mi, 170°
• Aykhal
68.9 km =42.8 mi, 216°
• Nyurba
447.7 km =278.2 mi, 141°
• Vilyuysk
524.5 km =325.9 mi, 124°
• Suntar
538.7 km =334.7 mi, 152°
• Verkhnevilyuysk
498.1 km =309.5 mi, 131°
• Tura
612.2 km =380.4 mi, 247°
• Chernyshevskiy
379.6 km =235.9 mi, 179°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016