YozoraAtlas

How dark is the sky in Basilicata?

Sky darkness for 4 towns and parks in Basilicata, worked out from NASA satellite images of light at night (2025). 1 of them has skies of Bortle 4 or darker, where the Milky Way shows overhead. The darkest is Pollino National Park (21.25, Bortle 4), the brightest Matera (19.34, Bortle 6). Milky Way season in Basilicata runs March to August: on moonless nights the bright core stands clear of the horizon, climbing to about 21° 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 Basilicata with every place marked

Darkest skies in Basilicata

  1. Pollino National ParkBortle 421.25

Among the places on this site. Plenty of land between them is just as dark, with no town or park to name it by.

Brightest city skies in Basilicata

  1. MateraBortle 619.34
  2. PotenzaBortle 619.36

All 4 places in Basilicata

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