Night Light of Decima (Emilia-Romagna) from space (Italy) Src. Average luminocity for 10x10km area is 22.3879% and for 50x50km: 32.3477%.
Square area 10x10 km:
 2.12%
 3.33%
 3.48%
 0.76%
 1.06%
 1.67%
 2.27%
 2.58%
 5.3%
 53.03%
 24.39%Square area 50x50 km:
 5.54%
 6.44%
 3.11%
 2.56%
 2.83%
 3.59%
 4.36%
 4.79%
 11.68%
 33.78%
 21.31%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
45° 12' 28.7" North, 10° 31' 36" East
44° 42' 37.6" North, 11° 13' 47.2" East
44° 12' 31" North, 11° 55' 58.5" East
Some cities around Decima sort by population:
• Cento
		5.1 km =3.2 mi, 
63°
• San Giovanni in Persiceto
		8.8 km =5.5 mi, 
204°
• Finale Emilia
		14.6 km =9.1 mi, 
20°
• Crevalcore
		6.6 km =4.1 mi, 
278°
• San Pietro in Casale
		13.9 km =8.6 mi, 
94°
• Pieve di Cento
		6.3 km =3.9 mi, 
87°
• San Giorgio di Piano
		13.4 km =8.3 mi, 
121°
• Sant'Agata Bolognese
		9.5 km =5.9 mi, 
233°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016