Night Light of Emden (Lower Saxony) from space (Germany) Src. Average luminocity for 10x10km area is 28.9405% and for 50x50km: 3.47%.
Square area 10x10 km:
 8.73%
 6.35%
 2.25%
 2.38%
 2.38%
 1.85%
 1.85%
 1.32%
 3.57%
 29.89%
 39.42%Square area 50x50 km:
 0.62%
 0.55%
 0.35%
 0.4%
 0.25%
 0.46%
 0.41%
 0.18%
 0.32%
 2.43%
 94.01%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
53° 47' 5.7" North, 6° 30' 16.8" East
53° 22' 2.8" North, 7° 12' 28" East
52° 56' 45" North, 7° 54' 39.3" East
Some cities around Emden sort by population:
• Aurich
		21.4 km =13.3 mi, 
58°
• Leer
		22.6 km =14 mi, 
131°
• Delfzijl, NL
		19.7 km =12.2 mi, 
257°
• Weener
		24.6 km =15.3 mi, 
157°
• Mittegroßefehn
		23.9 km =14.9 mi, 
83°
• Appingedam, NL
		23.7 km =14.7 mi, 
257°
• Bunde
		20.8 km =12.9 mi, 
169°
• Hinte
		5.7 km =3.5 mi, 
343°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016