Night Light of Rūdsar (Gīlān) from space (Iran) Src. Average luminocity for 10x10km area is 26.051% and for 50x50km: 8.5361%.
Square area 10x10 km:
 1.02%
 2.21%
 1.02%
 6.12%
 7.82%
 2.38%
 2.72%
 3.4%
 6.46%
 39.12%
 27.72%Square area 50x50 km:
 0.32%
 0.42%
 0.31%
 1.58%
 2.23%
 0.82%
 1.79%
 1.7%
 2.54%
 9.61%
 78.69%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
37° 41' 43.5" North, 49° 35' 19" East
37° 8' 13.1" North, 50° 17' 30.3" East
36° 34' 27.7" North, 50° 59' 41.5" East
Some cities around Rūdsar sort by population:
• Rasht
		64.2 km =39.9 mi, 
283°
• Bandar-e Anzalī
		82.7 km =51.4 mi, 
296°
• Langarūd
		13.9 km =8.6 mi, 
297°
• Āstāneh-ye Ashrafīyeh
		33.9 km =21.1 mi, 
294°
• Tonekābon
		62.8 km =39 mi, 
124°
• Fūman
		87.3 km =54.2 mi, 
276°
• Pādegān-e Manjīl
		89.4 km =55.6 mi, 
240°
• Nashtārūd
		77.9 km =48.4 mi, 
123°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016