Night Light of Norden (Lower Saxony) from space (Germany) Src. Average luminocity for 10x10km area is 2.8523% and for 50x50km: 1.148%.
Square area 10x10 km:
 0.25%
 0.25%
 0%
 0%
 0.51%
 0%
 1.89%
 1.52%
 1.14%
 0%
 94.44%Square area 50x50 km:
 0.1%
 0.16%
 0.12%
 0.1%
 0.13%
 0.1%
 0.21%
 0.26%
 0.22%
 0.59%
 98%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
54° 0' 38.7" North, 6° 30' 11.7" East
53° 35' 43.9" North, 7° 12' 23" East
53° 10' 34.2" North, 7° 54' 34.2" East
Some cities around Norden sort by population:
• Emden
		25.4 km =15.8 mi, 
179°
• Aurich
		23 km =14.3 mi, 
127°
• Delfzijl, NL
		35.2 km =21.9 mi, 
212°
• Mittegroßefehn
		32.9 km =20.4 mi, 
133°
• Hinte
		19.9 km =12.4 mi, 
184°
• Esens
		27.4 km =17 mi, 
77°
• Hage
		5.3 km =3.3 mi, 
81°
• Borkum
		34 km =21.1 mi, 
267°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016