Night Light of Serdobsk (Penza) from space (Russia) Src. Average luminocity for 10x10km area is 2.5884% and for 50x50km: 0.1395%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 53' 5.9" North, 43° 30' 49.6" East
52° 27' 31" North, 44° 13' 0.8" East
52° 1' 41.1" North, 44° 55' 12.1" East
Some cities around Serdobsk sort by population:
• Rtishchevo
36.6 km =22.7 mi, 232°
• Petrovsk
81.5 km =50.6 mi, 101°
• Arkadak
76.3 km =47.4 mi, 219°
• Belinskiy
77.9 km =48.4 mi, 316°
• Kolyshley
34.5 km =21.4 mi, 38°
• Tamala
66 km =41 mi, 277°
• Bekovo
34.2 km =21.3 mi, 271°
• Yekaterinovka
46.2 km =28.7 mi, 169°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016