Night Light of Ostrov (Pskov Oblast) from space (Russia) Src. Average luminocity for 10x10km area is 6.2159% and for 50x50km: 0.3206%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
57° 43' 17" North, 27° 39' 2" East
57° 20' 38.2" North, 28° 21' 13.2" East
56° 57' 45.3" North, 29° 3' 24.5" East
Some cities around Ostrov sort by population:
• Pskov
52.2 km =32.4 mi, 359°
• Opochka
72.6 km =45.1 mi, 165°
• Pechory
68.7 km =42.7 mi, 319°
• Balvi, LV
69.6 km =43.2 mi, 250°
• Pytalovo
40.5 km =25.2 mi, 220°
• Pushkinskiye Gory
49.1 km =30.5 mi, 136°
• Viļaka, LV
44.6 km =27.7 mi, 246°
• Baltinava, LV
61.7 km =38.3 mi, 223°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016