Night Light of Heihe (Heilongjiang) from space (China) Src. Average luminocity for 10x10km area is 49.2507% and for 50x50km: 5.0407%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
50° 41' 30" North, 126° 47' 13.3" East
50° 14' 38.9" North, 127° 29' 24.6" East
49° 47' 32.5" North, 128° 11' 35.8" East
Some cities around Heihe sort by population:
• Blagoveshchensk, RU
5.3 km =3.3 mi, 42°
• Belogorsk, RU
102.2 km =63.5 mi, 42°
• Seryshevo, RU
113.5 km =70.5 mi, 33°
• Yekaterinoslavka, RU
115.9 km =72 mi, 82°
• Tambovka, RU
43.5 km =27 mi, 111°
• Poyarkovo, RU
107.9 km =67 mi, 129°
• Srednebelaya, RU
58.9 km =36.6 mi, 38°
• Konstantinovka, RU
78.2 km =48.6 mi, 152°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016