Night Light of Saint Andrew from space (Guernsey) Src. Average luminocity for 10x10km area is 4.1485% and for 50x50km: 0.1708%.
Square area 10x10 km:
 0%
 0.98%
 0.14%
 0.56%
 0.14%
 0.98%
 1.26%
 1.54%
 1.68%
 0%
 92.72%Square area 50x50 km:
 0%
 0.04%
 0.01%
 0.02%
 0.01%
 0.04%
 0.05%
 0.06%
 0.07%
 0%
 99.71%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
49° 53' 56.1" North, 3° 16' 59.9" West
49° 26' 38" North, 2° 34' 48.6" West
48° 59' 4.5" North, 1° 52' 37.4" West
Some cities around Saint Andrew sort by population:
• Équeurdreville-Hainneville, FR
		70.7 km =43.9 mi, 
71°
• Octeville, FR
		70.6 km =43.9 mi, 
73°
• Querqueville, FR
		68.6 km =42.6 mi, 
69°
• Le Hocq, JE
		48.5 km =30.1 mi, 
129°
• St Anne
		40.4 km =25.1 mi, 
41°
• Torteval
		5.2 km =3.2 mi, 
256°
• Castel
		3 km =1.9 mi, 
331°
• St Martin
		2 km =1.2 mi, 
112°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016