Night Light of Roermond (Limburg) from space (Netherlands) Src. Average luminocity for 10x10km area is 38.4278% and for 50x50km: 16.5638%.
Square area 10x10 km:
 4.95%
 7.35%
 5.48%
 3.21%
 7.49%
 2.67%
 4.41%
 5.21%
 12.3%
 42.25%
 4.68%Square area 50x50 km:
 2.01%
 2.52%
 1.53%
 1.61%
 1.83%
 2.35%
 2.89%
 2.84%
 4.36%
 13.55%
 64.5%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
51° 37' 57.7" North, 5° 17' 3.8" East
51° 11' 39" North, 5° 59' 15" East
50° 45' 5.1" North, 6° 41' 26.3" East
Some cities around Roermond sort by population:
• Brüggen, DE
		14.6 km =9.1 mi, 
69°
• Haelen
		5.1 km =3.2 mi, 
335°
• Waldfeucht, DE
		14.2 km =8.8 mi, 
179°
• Panningen
		14.7 km =9.1 mi, 
357°
• Heythuysen
		8.8 km =5.5 mi, 
315°
• Reuver
		11.8 km =7.3 mi, 
32°
• Maasbracht
		9.3 km =5.8 mi, 
229°
• Helden
		13.9 km =8.6 mi, 
3°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016