Salisbury Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

19.62

Bortle class

Class 6 (Class 6)

Darkness Quotient

42%

Dataset

May 2026

Bright suburban sky

Salisbury: The Practical Verdict

Salisbury, a small city in Wiltshire, offers limited suburban skies for stargazing. Astronomical quality here is hindered by moderate light pollution, classifying the area as a Bortle Class 6. As a result, the Milky Way is generally not visible.

From this location, the best targets include the Moon, planets, and brighter double stars. Bright open clusters and nebula cores can be observed with some success, while broadband galaxies and faint nebulae are more difficult to view. The skies towards the north-north-east are notably brighter, but the view improves towards the west-south-west.

For those looking to improve their stargazing conditions, Shapwick offers a better observing site in the south-west, roughly 35 km away. This site provides a darker environment, under Bortle Class 4, suitable for more serious deep-sky observing.

At a Glance

Overall

Limited suburban sky - This is a limited sky for astronomy. The brightest targets remain accessible, but faint deep-sky observing is heavily compromised.

Milky Way

Not visible - The sky background is generally too bright for a reliable Milky Way view.

Best targets from here

Moon, planets, double stars, bright open clusters, narrowband imaging, bright nebula cores

Do not prioritise

broadband galaxies, reflection nebulae, visual faint nebulae, Milky Way photography

Best nearby upgrade

Shapwick sits about 33 km south west and reaches Bortle 4, roughly 4.1x darker.

Moderate dark window

Salisbury'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 Salisbury?

No. Salisbury is a Bortle Class 6 sky with SQM 19.62, 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 Salisbury?

Salisbury is Bortle Class 6 (SQM 19.62), a limited suburban sky for astronomy.

Is Salisbury good for stargazing?

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

Is Salisbury good for astrophotography?

Broadband deep-sky imaging is heavily compromised from Salisbury and a Bortle 4 or darker site is strongly recommended. Narrowband imaging of bright emission nebulae remains viable from Salisbury with appropriate Ha or OIII filters.

What can you observe from Salisbury?

Primary targets from Salisbury include Moon, planets, double stars, bright open clusters, narrowband imaging. Targets such as broadband galaxies, reflection nebulae, visual faint nebulae are not realistic from this sky.

Where are darker skies near Salisbury?

The closest meaningfully darker mapped site is Alderholt, about 18 km south of Salisbury, reaching Bortle 5.

When is the sky darkest in Salisbury?

The sky over Salisbury is darkest around January, December. Significant summer limitation: around 55 nights per year have no true astronomical darkness.

Is light pollution in Salisbury getting better or worse?

The long-term trend for Salisbury is gradually improving, with the sky darkening by about 0.05 SQM per year.

• Shapwick

  Direction

  SW

  Distance (km)

  33.4

  SQM

  21.15

  Bortle

  4

• Brockenhurst

  Direction

  SSE

  Distance (km)

  26.5

  SQM

  20.85

  Bortle

  4

• Alderholt

  Direction

  S

  Distance (km)

  17.5

  SQM

  20.63

  Bortle

  5

• Cloford Common

  Direction

  WNW

  Distance (km)

  43.1

  SQM

  20.86

  Bortle

  4

• Tufton

  Direction

  ENE

  Distance (km)

  34.1

  SQM

  20.45

  Bortle

  5

• Newcott

  Direction

  WSW

  Distance (km)

  93.6

  SQM

  21.24

  Bortle

  4