Bristol Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

18.48

Bortle class

Class 8 (Class 8)

Darkness Quotient

27%

Dataset

August 2026

City sky

Bristol: The Practical Verdict

Bristol is a mid-size city in the south-west of England with a notable light pollution impact on the night sky. Stargazing from here is decidedly limited, as the city sky is quite poor for astronomical purposes due to high light pollution. The primary limiting factor is the bright urban sky background, which erases the Milky Way and affects visibility of deep-sky objects.

From Bristol, the best observational targets are the Moon, planets, and bright stars. With careful imaging techniques, narrowband imaging of the brighter nebulae is possible. However, visual deep-sky observing and wide-field Milky Way photography should be avoided. The asymmetrical light pollution sees the north-east horizon being the brightest and the southern horizon somewhat clearer.

For a better stargazing experience, more serious astronomers should consider travelling to Manordeilo and Salem, which offers a substantially darker sky. It lies about 110 km west-north-west from Bristol, where the improvements to sky quality can be meaningful for deep-sky observations.

At a Glance

Overall

Poor city sky - This is a poor city sky. The Milky Way is not visible and most deep-sky observing is unrealistic from the location itself.

Milky Way

Not visible - The Milky Way is erased by the bright urban sky background.

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

Manordeilo and Salem sits about 108 km west north west and reaches Bortle 4, roughly 12x darker.

Moderate dark window

Bristol'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 Bristol?

No. Bristol is a Bortle Class 8 sky with SQM 18.48, 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 Bristol?

Bristol is Bortle Class 8 (SQM 18.48), a poor city sky for astronomy.

Is Bristol good for stargazing?

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

Is Bristol good for astrophotography?

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

What can you observe from Bristol?

Primary targets from Bristol 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 Bristol?

The closest meaningfully darker mapped site is Claverham, about 15 km west south west of Bristol, reaching Bortle 6.

When is the sky darkest in Bristol?

The sky over Bristol is darkest around January, December. Significant summer limitation: around 59 nights per year have no true astronomical darkness.

Is light pollution in Bristol getting better or worse?

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

• Claverham

  Direction

  WSW

  Distance (km)

  14.6

  SQM

  20.26

  Bortle

  6

• Jackaments Bottom

  Direction

  NE

  Distance (km)

  44.3

  SQM

  20.58

  Bortle

  5

• Hinton St. Mary

  Direction

  SSE

  Distance (km)

  59.7

  SQM

  20.91

  Bortle

  4

• Curland

  Direction

  SSW

  Distance (km)

  63.3

  SQM

  20.94

  Bortle

  4

• Highworth

  Direction

  E

  Distance (km)

  63.8

  SQM

  20.28

  Bortle

  6

• Manordeilo and Salem

  Direction

  WNW

  Distance (km)

  108.2

  SQM

  21.18

  Bortle

  4