Night Light of Xiuying (Hainan) from space (China) Src. Average luminocity for 10x10km area is 94.6647% and for 50x50km: 26.94%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
20° 39' 36.2" North, 109° 35' 25.7" East
20° 0' 2.6" North, 110° 17' 36.9" East
19° 20' 19.1" North, 110° 59' 48.2" East
Some cities around Xiuying sort by population:
• Haikou
7.1 km =4.4 mi, 45°
• Qionghai
86.2 km =53.6 mi, 168°
• Wenchang
64 km =39.8 mi, 131°
• Qiongshan
6.4 km =4 mi, 84°
• Xucheng
38.8 km =24.1 mi, 340°
• Jinjiang
42.5 km =26.4 mi, 224°
• Wanning
133.9 km =83.2 mi, 175°
• Lincheng
64.4 km =40 mi, 260°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016