Night Light of Zelenogradsk (Kaliningrad) from space (Russia) Src. Average luminocity for 10x10km area is 10.2488% and for 50x50km: 4.0346%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
55° 21' 38.2" North, 19° 46' 24.8" East
54° 57' 32.1" North, 20° 28' 36" East
54° 33' 11.5" North, 21° 10' 47.3" East
Some cities around Zelenogradsk sort by population:
• Kaliningrad
28.2 km =17.5 mi, 175°
• Baltiysk
49.7 km =30.9 mi, 227°
• Svetlyy
38.4 km =23.9 mi, 214°
• Pionerskiy
15.9 km =9.9 mi, 266°
• Gur’yevsk
22.2 km =13.8 mi, 158°
• Svetlogorsk
20.7 km =12.9 mi, 264°
• Polessk
41.4 km =25.7 mi, 105°
• Yantarnyy
35.7 km =22.2 mi, 254°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016