Night Light of Bad Ems (Rheinland-Pfalz) from space (Germany) Src. Average luminocity for 10x10km area is 4.0308% and for 50x50km: 7.2342%.
Square area 10x10 km:
 0%
 0.56%
 1.12%
 0%
 0%
 0.56%
 0.42%
 0.42%
 0.56%
 3.64%
 92.72%Square area 50x50 km:
 0.9%
 1.12%
 0.6%
 0.58%
 1.04%
 1.18%
 1.31%
 0.9%
 2.32%
 5.46%
 84.57%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
50° 46' 55.6" North, 7° 0' 38" East
50° 20' 7.6" North, 7° 42' 49.3" East
49° 53' 4.3" North, 8° 25' 0.5" East
Some cities around Bad Ems sort by population:
• Koblenz
		9.8 km =6.1 mi, 
281°
• Lahnstein
		7.9 km =4.9 mi, 
240°
• Bendorf
		13.6 km =8.5 mi, 
315°
• Montabaur
		13.6 km =8.5 mi, 
34°
• Höhr-Grenzhausen
		11.5 km =7.1 mi, 
343°
• Vallendar
		9.2 km =5.7 mi, 
316°
• Ransbach-Baumbach
		14.4 km =8.9 mi, 
4°
• Nassau
		6.6 km =4.1 mi, 
110°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016