Night Light of Matsue (Shimane) from space (Japan) Src. Average luminocity for 10x10km area is 32.2674% and for 50x50km: 4.8003%.
Square area 10x10 km:
 2.93%
 3.66%
 6.59%
 3.11%
 6.78%
 7.88%
 3.48%
 3.48%
 3.66%
 28.02%
 30.4%Square area 50x50 km:
 0.13%
 0.2%
 0.74%
 0.47%
 0.9%
 0.92%
 1.11%
 0.71%
 1.25%
 3.99%
 89.58%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
36° 3' 13.8" North, 132° 20' 48.8" East
35° 28' 60" North, 133° 3' 0" East
34° 54' 31.5" North, 133° 45' 11.3" East
Some cities around Matsue sort by population:
• Yonago
		26.3 km =16.3 mi, 
102°
• Izumo
		28.8 km =17.9 mi, 
243°
• Kurayoshi
		69.7 km =43.3 mi, 
94°
• Sakaiminato
		17.5 km =10.9 mi, 
69°
• Ōdachō-ōda
		58.9 km =36.6 mi, 
236°
• Yasugichō
		18.7 km =11.6 mi, 
111°
• Hiratachō
		21.9 km =13.6 mi, 
255°
• Niimi
		67.3 km =41.8 mi, 
145°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016