Milan Stargazing & Astronomy Report
Light pollution and stargazing locations near Milan
- City
- Milan
- Country
- Italy
- Latitude
- 45.4654
- Longitude
- 9.1859
Key Sky Quality Metrics
- SQM (mag/arcsec²)
- 17.45
- Bortle class
- Class 9 (Class 9)
- Darkness Quotient
- 19%
- Dataset
- April 2026
Inner city sky
Milan: The Practical Verdict
Milan is a dense urban area in northern Italy and heavily affected by extreme light pollution. Observing here is severely limited, with the Milky Way entirely absent and diffuse celestial targets largely obliterated by the sky glow.
Despite the challenging conditions, lunar and planetary targets remain viable, and bright stars or double stars are observable with relative ease. Imaging in narrowband is possible, but gradient issues from sky brightness complicate broadband deep-sky efforts. The north-west horizon is the brightest, while the south-west benefits from slightly cleaner air influences.
For a modest improvement, locations to the south-south-east, roughly 115 km away, are available, offering Bortle 5 skies for broader observing opportunities.
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
- 116 km SSE 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 56 km SW, about 56 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.
north - marginal
A soft but obvious glow marks the north horizon. The lowest 15-20 degrees of sky in this direction are degraded.
north-north-east - marginal
A soft but obvious glow marks the north-north-east horizon. The lowest 15-20 degrees of sky in this direction are degraded.
north-east - marginal
A soft but obvious glow marks the north-east horizon. The lowest 15-20 degrees of sky in this direction are degraded.
east-north-east - marginal
A soft but obvious glow marks the east-north-east horizon. The lowest 15-20 degrees of sky in this direction are degraded.
east - marginal
The lower east sky is moderately light-polluted. Useful for bright targets above about 20 degrees only.
east-south-east - marginal
Moderate brightening on the east-south-east horizon. Star counts at low elevation here are reduced.
south-east - marginal
The south-east horizon is brighter than natural. Faint stars are suppressed up to roughly 15-20 degrees elevation.
south-south-east - fair
The south-south-east horizon is mostly dark with a hint of light pollution. Faint stars are accessible above about 10 degrees.
south - marginal
The south horizon is brighter than natural. Faint stars are suppressed up to roughly 15-20 degrees elevation.
south-south-west - fair
A small artificial brightening near the south-south-west horizon. Star counts in this direction remain high above the lowest elevations.
south-west - fair
Mild brightening on the south-west horizon. Faint stars at the very lowest elevation are dimmed; otherwise unaffected.
west-south-west - fair
The west-south-west horizon shows a slight brightening. Workable for most targets above about 10 degrees elevation.
west - marginal
Moderate brightening on the west horizon. Star counts at low elevation here are reduced.
west-north-west - marginal
Moderate brightening on the west-north-west horizon. Star counts at low elevation here are reduced.
north-west - marginal
The north-west horizon is brighter than natural. Faint stars are suppressed up to roughly 15-20 degrees elevation.
north-north-west - marginal
The north-north-west horizon is brighter than natural. Faint stars are suppressed up to roughly 15-20 degrees elevation.
zenith - poor
Heavy skyglow overhead. A few dozen stars and the brightest planets are accessible to the naked eye.
-
56 km SW
- Direction
- SW
- Distance (km)
- 55.8
- SQM
- 19.96
- Bortle
- 6
-
90 km S
- Direction
- S
- Distance (km)
- 90.3
- SQM
- 20.20
- Bortle
- 6
-
116 km SSE
- Direction
- SSE
- Distance (km)
- 116.2
- SQM
- 20.32
- Bortle
- 5
-
139 km NNW
- Direction
- NNW
- Distance (km)
- 138.8
- SQM
- 20.21
- Bortle
- 6
-
154 km W
- Direction
- W
- Distance (km)
- 154.4
- SQM
- 20.48
- Bortle
- 5
-
126 km W
- Direction
- W
- Distance (km)
- 125.9
- SQM
- 19.77
- Bortle
- 6