Night Light of Chirpan (Stara Zagora) from space (Bulgaria) Src. Average luminocity for 10x10km area is 5.2424% and for 50x50km: 3.0337%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
42° 43' 7.4" North, 24° 37' 48.8" East
42° 12' 0" North, 25° 19' 60" East
41° 40' 37.1" North, 26° 2' 11.3" East
Some cities around Chirpan sort by population:
• Stara Zagora
36.2 km =22.5 mi, 44°
• Haskovo
34.8 km =21.6 mi, 148°
• Asenovgrad
43.6 km =27.1 mi, 242°
• Dimitrovgrad
27.6 km =17.1 mi, 127°
• Parvomay
14.7 km =9.1 mi, 220°
• Rakovski
33.3 km =20.7 mi, 284°
• Gŭlŭbovo
43.2 km =26.8 mi, 99°
• Simeonovgrad
45.2 km =28.1 mi, 114°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016