Night Light of Utrecht from space (Netherlands) Src. Average luminocity for 10x10km area is 79.2474% and for 50x50km: 27.3529%.
Square area 10x10 km:
 39.95%
 39.95% 17.72%
 17.72% 5.29%
 5.29% 6.08%
 6.08% 5.16%
 5.16% 2.38%
 2.38% 7.67%
 7.67% 9.92%
 9.92% 5.82%
 5.82% 0%
 0% 0%
 0%Square area 50x50 km:
 5.76%
 5.76% 5.45%
 5.45% 2.51%
 2.51% 2.49%
 2.49% 2.77%
 2.77% 2.56%
 2.56% 2.95%
 2.95% 3.79%
 3.79% 8.78%
 8.78% 19.48%
 19.48% 43.46%
 43.46%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 31' 14.7" North, 4° 25' 8.8" East
52° 5' 27" North, 5° 7' 20" East
51° 39' 24.2" North, 5° 49' 31.3" East
Some cities around Utrecht sort by population:
• Nieuwegein
		7.4 km =4.6 mi,  202°
202°
• Zeist
		7.6 km =4.7 mi,  90°
90°
• Maarssen
		7.7 km =4.8 mi,  314°
314°
• Lunetten
		3.3 km =2.1 mi,  165°
165°
• Veldhuizen
		7.7 km =4.8 mi,  257°
257°
• De Bilt
		4.5 km =2.8 mi,  61°
61°
• Vleuten
		7.5 km =4.7 mi,  282°
282°
• Bunnik
		5.9 km =3.7 mi,  117°
117°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016