Night Light of Purley (England) from space (United Kingdom) Src. Average luminocity for 10x10km area is 69.6303% and for 50x50km: 50.7577%.
Square area 10x10 km:
14.85%
13.17%
7.98%
16.39%
13.31%
9.94%
12.46%
6.86%
4.62%
0.42%
0%Square area 50x50 km:
22.11%
11.61%
4.21%
4.1%
4.27%
4.11%
3.99%
3.44%
4.76%
7.1%
30.32%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
51° 46' 26.2" North, 0° 48' 54.5" West
51° 20' 12.4" North, 0° 6' 43.2" West
50° 53' 43.4" North, 0° 35' 28" East
Some cities around Purley sort by population:
• Sutton
6.3 km =3.9 mi,
283°
• Croydon
5.2 km =3.2 mi,
9°
• South Croydon
3.1 km =1.9 mi,
23°
• Banstead
6.8 km =4.2 mi,
256°
• Carshalton
5.2 km =3.2 mi,
312°
• Coulsdon
2.7 km =1.7 mi,
227°
• Caterham
6.5 km =4 mi,
159°
• Warlingham
4.8 km =3 mi,
128°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016