Night Light of Cookstown (Northern Ireland) from space (United Kingdom) Src. Average luminocity for 10x10km area is 7.604% and for 50x50km: 2.3557%.
Square area 10x10 km:
 1.38%
 1.13%
 0.5%
 1.13%
 0.88%
 0.5%
 1.88%
 1.13%
 0%
 0.5%
 90.98%Square area 50x50 km:
 0.24%
 0.28%
 0.2%
 0.32%
 0.47%
 0.45%
 0.39%
 0.25%
 0.38%
 1.25%
 95.76%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
55° 2' 52.4" North, 7° 26' 56.7" West
54° 38' 35" North, 6° 44' 45.4" West
54° 14' 2.9" North, 6° 2' 34.2" West
Some cities around Cookstown sort by population:
• Craigavon
		31.8 km =19.8 mi, 
133°
• Portadown
		31.3 km =19.4 mi, 
141°
• Armagh
		33 km =20.5 mi, 
171°
• Dungannon
		15.6 km =9.7 mi, 
185°
• Magherafelt
		15.2 km =9.4 mi, 
36°
• Coalisland
		11.6 km =7.2 mi, 
165°
• Randalstown
		31 km =19.3 mi, 
67°
• Crumlin
		34.3 km =21.3 mi, 
94°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016