Night Light of Alzey (Rheinland-Pfalz) from space (Germany) Src. Average luminocity for 10x10km area is 5.5321% and for 50x50km: 9.9837%.
Square area 10x10 km:
 0.67%
 0.94%
 1.07%
 1.07%
 0.53%
 0%
 0.53%
 0.53%
 0.53%
 1.07%
 93.05%Square area 50x50 km:
 1.31%
 1.57%
 0.89%
 0.85%
 0.98%
 1.17%
 1.37%
 1.31%
 3.6%
 9.39%
 77.56%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
50° 11' 55.6" North, 7° 24' 43.2" East
49° 44' 47.7" North, 8° 6' 54.5" East
49° 17' 24.4" North, 8° 49' 5.7" East
Some cities around Alzey sort by population:
• Bad Kreuznach
		20.7 km =12.9 mi, 
300°
• Grünstadt
		20.7 km =12.9 mi, 
170°
• Osthofen
		15.8 km =9.8 mi, 
107°
• Nieder-Olm
		19.5 km =12.1 mi, 
19°
• Kirchheimbolanden
		11.8 km =7.3 mi, 
217°
• Wörrstadt
		11.4 km =7.1 mi, 
3°
• Ober-Saulheim
		13.1 km =8.1 mi, 
6°
• Heidesheim
		19.1 km =11.9 mi, 
162°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016