YozoraAtlas

How dark is the sky in Nitra Region?

Sky darkness for 6 towns and parks in Nitra Region, worked out from NASA satellite images of light at night (2025). None of them have skies of Bortle 4 or darker, where the Milky Way shows overhead. The darkest is Šaľa (20.00, Bortle 5), the brightest Nitra (19.13, Bortle 6). Milky Way season in Nitra Region runs May to July: on moonless nights the bright core stands clear of the horizon, climbing to about 13° 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 Nitra Region with every place marked

Darkest skies in Nitra Region

  1. ŠaľaBortle 520.00
  2. TopoľčanyBortle 519.72
  3. Nové ZámkyBortle 519.70

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 Nitra Region

  1. NitraBortle 619.13
  2. KomárnoBortle 519.52
  3. LeviceBortle 519.56

All 6 places in Nitra Region

Amber names are parks and certified dark-sky places. The figure is the Bortle class: 1 darkest, 9 city center.
Komárno5Levice5Nitra6Nové Zámky5Topoľčany5Šaľa5