YozoraAtlas

How dark is the sky in Apulia?

Sky darkness for 17 towns and parks in Apulia, 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 Gargano National Park (21.27, Bortle 4), the brightest Bari (18.26, Bortle 8). Milky Way season in Apulia runs April 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 Apulia with every place marked

Darkest skies in Apulia

  1. Gargano National ParkBortle 421.27
  2. Alta Murgia National ParkBortle 420.84

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 Apulia

  1. BariBortle 818.26
  2. AndriaBortle 718.62
  3. TarantoBortle 718.69
  4. BisceglieBortle 718.78
  5. BarlettaBortle 718.81

All 17 places in Apulia

Amber names are parks and certified dark-sky places. The figure is the Bortle class: 1 darkest, 9 city center.
Alta Murgia National Park4Altamura6Andria7Bari8Barletta7Bisceglie7Bitonto6Brindisi6Cerignola6Foggia7Gargano National Park4Lecce6Manfredonia6Molfetta6San Severo6Taranto7Trani6