Night Light of Devrek (Zonguldak) from space (Turkey) Src. Average luminocity for 10x10km area is 20.6705% and for 50x50km: 7.555%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 44' 45.3" North, 31° 15' 9.8" East
41° 13' 9" North, 31° 57' 21" East
40° 41' 17.3" North, 32° 39' 32.3" East
Some cities around Devrek sort by population:
• Zonguldak
29.2 km =18.1 mi, 332°
• Ereğli
45.5 km =28.3 mi, 278°
• Bartın
56.2 km =34.9 mi, 34°
• Gerede
50.7 km =31.5 mi, 156°
• Çaycuma
25.1 km =15.6 mi, 23°
• Alaplı
47.9 km =29.8 mi, 264°
• Gökçebey
18.3 km =11.4 mi, 58°
• Yeniçağa
50.2 km =31.2 mi, 172°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016