Night Light of Poronaysk (Sakhalin Oblast) from space (Russia) Src. Average luminocity for 10x10km area is 9.0521% and for 50x50km: 0.4443%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
49° 40' 44.3" North, 142° 23' 37.8" East
49° 13' 18.8" North, 143° 5' 49" East
48° 45' 37.8" North, 143° 48' 0.3" East
Some cities around Poronaysk sort by population:
• Sovetskaya Gavan’
206.3 km =128.2 mi, 262°
• Uglegorsk
76.7 km =47.7 mi, 258°
• Aleksandrovsk-Sakhalinskiy
198.1 km =123.1 mi, 340°
• Shakhtersk
70 km =43.5 mi, 265°
• Zavety Il’icha
206.7 km =128.4 mi, 264°
• Tymovskoye
183.6 km =114.1 mi, 350°
• Smirnykh
61.2 km =38 mi, 342°
• Makarov
70.1 km =43.6 mi, 199°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016