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:
1.62%
2.27%
1.3%
1.3%
1.79%
5.36%
4.87%
6.66%
5.03%
18.18%
51.62%Square area 50x50 km:
0.23%
0.4%
0.55%
0.59%
1.09%
1.56%
2.09%
2.78%
3.09%
6.39%
81.23%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