Night Light of Yima (Henan) from space (China) Src. Average luminocity for 10x10km area is 34.1447% and for 50x50km: 5.4611%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
35° 18' 49.8" North, 111° 10' 50.8" East
34° 44' 17" North, 111° 53' 2" East
34° 9' 29.7" North, 112° 35' 13.3" East
Some cities around Yima sort by population:
• Luoyang
52.4 km =32.6 mi, 96°
• Changzhi
54 km =33.6 mi, 345°
• Jiaozuo
135 km =83.9 mi, 65°
• Jincheng
121.1 km =75.2 mi, 45°
• Yuncheng
87.2 km =54.2 mi, 291°
• Songyang
109.3 km =67.9 mi, 106°
• Xixiang
101.1 km =62.8 mi, 62°
• Zijinglu
99.4 km =61.8 mi, 88°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016