Night Light of Grotte (Sicily) from space (Italy) Src. Average luminocity for 10x10km area is 17.3133% and for 50x50km: 12.1524%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
37° 57' 35.7" North, 12° 59' 44.8" East
37° 24' 12.5" North, 13° 41' 56" East
36° 50' 34.2" North, 14° 24' 7.3" East
Some cities around Grotte sort by population:
• Canicattì
14.1 km =8.8 mi, 110°
• Agrigento
14.9 km =9.3 mi, 226°
• Favara
10.1 km =6.3 mi, 198°
• Raffadali
14.8 km =9.2 mi, 269°
• Aragona
7 km =4.3 mi, 265°
• Naro
14.9 km =9.3 mi, 145°
• Casteltermini
15.7 km =9.8 mi, 342°
• Racalmuto
2.7 km =1.7 mi, 86°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016