Night Light of Langarūd (Gīlān) from space (Iran) Src. Average luminocity for 10x10km area is 35.9218% and for 50x50km: 12.2484%.
Square area 10x10 km:
 3.57%
 4.76%
 2.72%
 5.78%
 7.65%
 3.4%
 5.95%
 5.44%
 13.27%
 45.24%
 2.21%Square area 50x50 km:
 0.56%
 0.83%
 0.55%
 2.08%
 2.74%
 1.13%
 2.87%
 3.03%
 3.92%
 13.94%
 68.33%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
37° 45' 12.6" North, 49° 26' 58.2" East
37° 11' 43.7" North, 50° 9' 9.5" East
36° 37' 59.9" North, 50° 51' 20.7" East
Some cities around Langarūd sort by population:
• Rasht
		50.7 km =31.5 mi, 
280°
• Bandar-e Anzalī
		68.7 km =42.7 mi, 
296°
• Rūdsar
		13.9 km =8.6 mi, 
117°
• Āstāneh-ye Ashrafīyeh
		20 km =12.4 mi, 
292°
• Tonekābon
		76.7 km =47.7 mi, 
123°
• Fūman
		74.5 km =46.3 mi, 
272°
• Pādegān-e Manjīl
		82.6 km =51.3 mi, 
232°
• Nashtārūd
		91.8 km =57 mi, 
122°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016