Night Light of Grefrath (North Rhine-Westphalia) from space (Germany) Src. Average luminocity for 10x10km area is 12.1345% and for 50x50km: 22.9553%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
51° 46' 24.5" North, 5° 38' 15.3" East
51° 20' 10.7" North, 6° 20' 26.6" East
50° 53' 41.7" North, 7° 2' 37.8" East
Some cities around Grefrath sort by population:
• Venlo, NL
12.6 km =7.8 mi, 287°
• Viersen
9.8 km =6.1 mi, 157°
• Nettetal
4.5 km =2.8 mi, 241°
• Kempen
6.2 km =3.9 mi, 60°
• Tönisvorst
10.8 km =6.7 mi, 99°
• Tegelen, NL
14.2 km =8.8 mi, 273°
• Straelen
12.8 km =8 mi, 336°
• Wachtendonk
8.1 km =5 mi, 359°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016