Sheffield Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

18.34

Bortle class

Class 8 (Class 8)

Darkness Quotient

26%

Dataset

April 2026

City sky

Sheffield: The Practical Verdict

Sheffield, a mid-sized city in South Yorkshire, offers sky conditions consistent with high light pollution, making stargazing from within the city rather limited. Urban brightness erases any trace of the Milky Way, and faint deep-sky objects are effectively invisible.

Observers within Sheffield will find their best options to be the Moon, planets, and double stars, as well as solar system events. Imaging techniques like narrowband can still yield results, but broadband deep-sky imaging faces difficulties due to the bright sky background.

For those seeking darker skies for visual deep-sky or advanced imaging, a considerable upgrade is found at Llansantffraid, about two hours west-south-west. This site provides markedly cleaner and darker skies suitable for more ambitious 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

Llansantffraid sits about 132 km west south west and reaches Bortle 4, roughly 11x darker.

Moderate dark window

Sheffield's limiting factor is not only light pollution. Around midsummer, Sheffield loses true astronomical darkness entirely, so deep-sky observing and imaging are strongly seasonal. Plan serious sessions around the darker months.

Frequently Asked Questions

Can you see the Milky Way from Sheffield?

No. Sheffield is a Bortle Class 8 sky with SQM 18.34, 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 Sheffield?

Sheffield is Bortle Class 8 (SQM 18.34), a poor city sky for astronomy.

Is Sheffield good for stargazing?

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

Is Sheffield good for astrophotography?

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

What can you observe from Sheffield?

Primary targets from Sheffield 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 Sheffield?

The closest meaningfully darker mapped site is Apley CP, about 77 km east of Sheffield, reaching Bortle 5.

When is the sky darkest in Sheffield?

The sky over Sheffield is darkest around January, December. Significant summer limitation: around 77 nights per year have no true astronomical darkness.

Is light pollution in Sheffield getting better or worse?

There is not yet enough long-term data to give a confident trend for Sheffield.

• Apley CP

  Direction

  E

  Distance (km)

  76.8

  SQM

  20.65

  Bortle

  5

• Kennythorpe

  Direction

  NNE

  Distance (km)

  88.2

  SQM

  20.50

  Bortle

  5

• South Witham

  Direction

  SE

  Distance (km)

  89.9

  SQM

  20.27

  Bortle

  6

• Llansantffraid

  Direction

  WSW

  Distance (km)

  131.8

  SQM

  20.98

  Bortle

  4

• Natland

  Direction

  NW

  Distance (km)

  133.1

  SQM

  20.86

  Bortle

  4

• Stoke Bliss

  Direction

  SSW

  Distance (km)

  144.5

  SQM

  20.57

  Bortle

  5