Beidao night lights from space

Night Light of Beidao (Gansu) from space (China) Src. Average luminocity for 10x10km area is 35.1329% and for 50x50km: 4.7243%.

2016 2012 2003 1995

Analysis of Beidao night lights 2016

Square area 10x10 km:

100 4.02%
90-99 4.2%
80-89 4.2%
70-79 9.44%
60-69 7.52%
50-59 2.62%
40-49 1.57%
30-39 2.27%
20-29 3.15%
10-19 46.68%
0-9 14.34%

Square area 50x50 km:

100 0.64%
90-99 0.8%
80-89 0.46%
70-79 0.71%
60-69 0.5%
50-59 0.39%
40-49 0.34%
30-39 0.43%
20-29 0.59%
10-19 6.17%
0-9 88.98%

Clear (daylight) street map image can be seen on geolist.org.

Map coordinates:

35° 8' 44.1" North, 105° 11' 24.8" East

34° 34' 7" North, 105° 53' 36" East

33° 59' 15.4" North, 106° 35' 47.3" East

Distances WxH: 128.8×128.8 km


Some cities around Beidao sort by population:
Tianshui 13.9 km =8.6 mi, 275°
Lanzhou 249.2 km =154.8 mi, 311°
Guangyuan 236.5 km =147 mi, 181°
Hanzhong 196.1 km =121.9 mi, 147°
Pingliang 129.8 km =80.7 mi, 33°
Guozhen 136.2 km =84.6 mi, 99°
Yuxia 257.5 km =160 mi, 102°
Mawu 91.1 km =56.6 mi, 259°

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Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016