Milan Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

17.45

Bortle class

Class 9 (Class 9)

Darkness Quotient

19%

Dataset

July 2026

Inner city sky

Milan: The Practical Verdict

Milan, as a major city in Italy's Lombardy region, exhibits extreme light pollution levels. The dominant urban glow results in a severe urban sky, rendering the Milky Way completely invisible. The primary limiting factor is the pronounced light dome, especially towards the north-west horizon.

From this bright urban setting, the most reliable targets include the Moon, planets, and bright stars. Although narrowband imaging is possible, visual deep-sky observing suffers greatly and is best avoided. Brightest nebulae might be glimpsed with narrowband filters, but otherwise, faint nebulae and widefield Milky Way views are not realistic.

For those seeking clearer skies, modest improvements can be found to the south-west and west directions, with sites featuring Bortle 5 and Bortle 6 conditions. However, the difference might not be substantial enough for deeper observations without substantial travel.

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

Limited nearby upgrade

Séez, Auvergne-Rhône-Alpes is the strongest nearby option but remains Bortle 5; the improvement is real but modest.

Moderate dark window

Milan'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 Milan?

No. Milan is a Bortle Class 9 sky with SQM 17.45, 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 Milan?

Milan is Bortle Class 9 (SQM 17.45), a severe urban sky for astronomy.

Is Milan good for stargazing?

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

Is Milan good for astrophotography?

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

What can you observe from Milan?

Primary targets from Milan 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 Milan?

The closest meaningfully darker mapped site is Ozzano Monferrato, Piedmont, about 75 km south west of Milan, reaching Bortle 6.

When is the sky darkest in Milan?

The sky over Milan is darkest around January, December.

Is light pollution in Milan getting better or worse?

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

• Ozzano Monferrato, Piedmont

  Direction

  SW

  Distance (km)

  74.8

  SQM

  20.02

  Bortle

  6

• Testanello, Emilia-Romagna

  Direction

  SSE

  Distance (km)

  115.9

  SQM

  20.33

  Bortle

  5

• Valla, Piedmont

  Direction

  SSW

  Distance (km)

  125.2

  SQM

  20.38

  Bortle

  5

• Séez, Auvergne-Rhône-Alpes

  Direction

  W

  Distance (km)

  182.1

  SQM

  20.65

  Bortle

  5

• Wilen, Appenzell Ausserrhoden

  Direction

  ENE

  Distance (km)

  224.4

  SQM

  20.49

  Bortle

  5