YozoraAtlas

How dark is the sky in Lika-Senj?

Sky darkness for 2 towns and parks in Lika-Senj, worked out from NASA satellite images of light at night (2025). 2 of them have skies of Bortle 4 or darker, where the Milky Way shows overhead. The darkest is Paklenica National Park (21.58, Bortle 4), the brightest Paklenica National Park (21.58, Bortle 4). Milky Way season in Lika-Senj runs April to August: on moonless nights the bright core stands clear of the horizon, climbing to about 17° 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

NASA satellite night-lights map of Lika-Senj with every place marked

Darkest skies in Lika-Senj

  1. Paklenica National ParkBortle 421.58
  2. Velebit Nature ParkBortle 421.58

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 2 places in Lika-Senj

Amber names are parks and certified dark-sky places. The figure is the Bortle class: 1 darkest, 9 city center.
Paklenica National Park4Velebit Nature Park4