Night Light of Bologna (Emilia-Romagna) from space (Italy) Src. Average luminocity for 10x10km area is 81.2651% and for 50x50km: 24.8434%.
Square area 10x10 km:
 39.84%
 22.22%
 3.65%
 3.65%
 6.03%
 6.98%
 5.4%
 8.1%
 4.13%
 0%
 0%Square area 50x50 km:
 4.23%
 5.1%
 2.13%
 2.23%
 2.44%
 2.64%
 3.1%
 4%
 8.42%
 23.73%
 41.98%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
44° 59' 35.6" North, 10° 38' 8.3" East
44° 29' 37.7" North, 11° 20' 19.5" East
43° 59' 24.4" North, 12° 2' 30.8" East
Some cities around Bologna sort by population:
• Casalecchio di Reno
		5.4 km =3.4 mi, 
248°
• San Lazzaro
		6.1 km =3.8 mi, 
115°
• Castel Maggiore
		9.4 km =5.8 mi, 
10°
• Zola Predosa
		9.6 km =6 mi, 
267°
• Progresso
		8.6 km =5.3 mi, 
13°
• Castenaso
		10.5 km =6.5 mi, 
77°
• Calderara di Reno
		9.4 km =5.8 mi, 
325°
• Rastignano-Carteria di Sesto
		6.6 km =4.1 mi, 
167°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016