Kraków Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

17.88

Bortle class

Class 9 (Class 9)

Darkness Quotient

22%

Dataset

May 2026

Inner city sky

Kraków: The Practical Verdict

Kraków, a mid-sized city in Lesser Poland Voivodeship, is heavily light-polluted with a severe urban sky. The sky suffers from high light pollution, and most observations of celestial objects are limited to the brightest targets. The primary limiting factor is the city's light dome, which obscures faint objects.

From this location, the Milky Way is not visible, and deep-sky viewing is severely hindered. Nevertheless, the Moon, planets, and bright stars remain accessible. Narrowband imaging can be successful with care, though widefield views of the Milky Way and faint nebulae should be avoided.

For a significant improvement in sky quality, consider travelling to Budzisław in the Holy Cross Voivodeship, about 105 kilometres south-east of Kraków. This site offers superior conditions for deep-sky observing, with a Bortle 4 rating making it worthwhile for more serious astronomical attempts.

At a Glance

Overall

Severe urban sky - This is a severely light-polluted urban sky. Only the Moon, planets, bright stars, and a few specialist targets remain practical.

Milky Way

Not visible - The Milky Way is not visible from this sky.

Best targets from here

Moon, planets, bright stars, double stars, solar system events, narrowband imaging only with care

Do not prioritise

visual deep-sky observing, broadband galaxies, reflection nebulae, widefield Milky Way

Best nearby upgrade

Budzisław, Holy Cross Voivodeship sits about 105 km south east and reaches Bortle 4, roughly 15x darker.

Moderate dark window

Kraków's longest dark windows fall in December and January, with the shortest nights around June and July. Plan deep-sky sessions around the autumn and winter months for the best combination of long nights and true astronomical darkness.

Frequently Asked Questions

Can you see the Milky Way from Kraków?

No. Kraków is a Bortle Class 9 sky with SQM 17.88, so the Milky Way is not visible from the city. For Milky Way photography, look for a Bortle 4 or darker site.

What Bortle class is Kraków?

Kraków is Bortle Class 9 (SQM 17.88), a severe urban sky for astronomy.

Is Kraków good for stargazing?

Not for serious deep-sky observing. Kraków is a severe urban sky where the Moon, planets, and a handful of bright targets are the realistic options from the city itself.

Is Kraków good for astrophotography?

Broadband deep-sky imaging is heavily compromised from Kraków and a Bortle 4 or darker site is strongly recommended. Even narrowband imaging is difficult from Kraków without careful processing.

What can you observe from Kraków?

Primary targets from Kraków include Moon, planets, bright stars, double stars, solar system events. Targets such as visual deep-sky observing, broadband galaxies, reflection nebulae are not realistic from this sky.

Where are darker skies near Kraków?

The closest meaningfully darker mapped site is Zajeziorze, Lesser Poland Voivodeship, about 39 km west of Kraków, reaching Bortle 6.

When is the sky darkest in Kraków?

The sky over Kraków is darkest around January, December. Significant summer limitation: around 42 nights per year have no true astronomical darkness.

Is light pollution in Kraków getting better or worse?

Long-term light pollution over Kraków has been broadly stable across the available measurements.

• Folwark, Lesser Poland Voivodeship

  Direction

  S

  Distance (km)

  44

  SQM

  20.21

  Bortle

  6

• Łany, Silesian Voivodeship

  Direction

  NW

  Distance (km)

  60.2

  SQM

  20.65

  Bortle

  5

• Zajeziorze, Lesser Poland Voivodeship

  Direction

  W

  Distance (km)

  39.1

  SQM

  19.69

  Bortle

  6

• U Kuźników, Silesian Voivodeship

  Direction

  SW

  Distance (km)

  59

  SQM

  20.26

  Bortle

  6

• Nowe Szczypie, Holy Cross Voivodeship

  Direction

  ENE

  Distance (km)

  88.6

  SQM

  20.50

  Bortle

  5

• Budzisław, Holy Cross Voivodeship

  Direction

  SE

  Distance (km)

  105

  SQM

  20.82

  Bortle

  4