How dark is the sky in Brod-Posavina?
Sky darkness for Slavonski Brod (19.53, Bortle 5), so far the only place in Brod-Posavina on Yozora Atlas, worked out from NASA satellite images of light at night (2025). Milky Way season in Brod-Posavina runs April to August: on moonless nights the bright core stands clear of the horizon, climbing to about 16° at its highest.
19
Bortle class, 1 pristine to 9 city center
park or dark-sky place
city
Numbers like 21.95 or 16.97 are the brightness of the sky overhead on a clear, moonless night, in mag/arcsec². The scale runs backwards: a lower number means a brighter sky, from about 22 for a natural sky to about 17 in a city center.
How the readings are made
Darkest skies in Brod-Posavina
Among the places on this site. Plenty of land between them is just as dark, with no town or park to name it by.
All 1 place in Brod-Posavina
Amber names are parks and certified dark-sky places. The figure is the Bortle class: 1 darkest, 9 city center.