Night Light of Helpman (Groningen) from space (Netherlands) Src. Average luminocity for 10x10km area is 51.2929% and for 50x50km: 6.3647%.
Square area 10x10 km:
15.4%
16.04%
3.54%
3.66%
3.16%
3.54%
1.89%
6.06%
14.77%
25%
6.94%Square area 50x50 km:
0.94%
1.18%
0.6%
0.74%
0.61%
0.76%
0.74%
0.67%
1.24%
4.85%
87.69%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
53° 37' 1.5" North, 5° 52' 36" East
53° 11' 52.6" North, 6° 34' 47.2" East
52° 46' 28.8" North, 7° 16' 58.5" East
Some cities around Helpman sort by population:
• Groningen
2.5 km =1.6 mi,
339°
• Korrewegwijk
3.9 km =2.4 mi,
348°
• Oosterpark
2.9 km =1.8 mi,
7°
• Haren
3.5 km =2.2 mi,
145°
• Bedum
11.5 km =7.1 mi,
7°
• Roden
12.5 km =7.8 mi,
237°
• Selwerd
4.5 km =2.8 mi,
337°
• Eelde
7 km =4.3 mi,
189°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016