Rotherham Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

18.57

Bortle class

Class 8 (Class 8)

Darkness Quotient

28%

Dataset

April 2026

City sky

Rotherham: The Practical Verdict

Rotherham, a small city in South Yorkshire, presents challenges for stargazing due to its high light pollution. The overall conditions make it unsuitable for observing faint celestial objects, with the skies rating as a poor city view for astronomy.

From within the city, the Milky Way is entirely obscured, and only the brightest celestial targets like the Moon, planets, and prominent stars are observable. While focused narrowband imaging might perform adequately, broader deep-sky observations or imaging would struggle against the bright sky background.

For those seeking improved conditions, Bardney CP, located around 75 km to the east south-east, offers a noticeable upgrade to a Bortle 4 quality sky. It is a better choice for those aiming to capture or observe dimmer deep-sky objects.

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

Bardney CP sits about 73 km east south east and reaches Bortle 4, roughly 8.3x darker.

Moderate dark window

Rotherham's limiting factor is not only light pollution. Around midsummer, Rotherham 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 Rotherham?

No. Rotherham is a Bortle Class 8 sky with SQM 18.57, 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 Rotherham?

Rotherham is Bortle Class 8 (SQM 18.57), a poor city sky for astronomy.

Is Rotherham good for stargazing?

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

Is Rotherham good for astrophotography?

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

What can you observe from Rotherham?

Primary targets from Rotherham 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 Rotherham?

The closest meaningfully darker mapped site is Monyash CP, about 37 km south west of Rotherham, reaching Bortle 5.

When is the sky darkest in Rotherham?

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

Is light pollution in Rotherham getting better or worse?

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

• Monyash CP

  Direction

  SW

  Distance (km)

  37.3

  SQM

  20.45

  Bortle

  5

• Bardney CP

  Direction

  ESE

  Distance (km)

  72.7

  SQM

  20.87

  Bortle

  4

• Langton

  Direction

  NNE

  Distance (km)

  84.8

  SQM

  20.83

  Bortle

  4

• Rothwell

  Direction

  SW

  Distance (km)

  38.8

  SQM

  19.68

  Bortle

  6

• Raywell

  Direction

  NE

  Distance (km)

  64.4

  SQM

  20.12

  Bortle

  6

• Ketton

  Direction

  SSE

  Distance (km)

  102.9

  SQM

  20.34

  Bortle

  5