Darlington Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

19.03

Bortle class

Class 7 (Class 7)

Darkness Quotient

33%

Dataset

April 2026

Suburban/urban transition

Darlington: The Practical Verdict

Darlington, a small city in the United Kingdom, is heavily affected by high light pollution. Observing opportunities are limited primarily to brighter celestial objects, as the Milky Way is not visible under these conditions.

From this location, the Moon, planets, bright double stars, and particularly luminous open clusters can be appreciated. Narrowband imaging can work with careful technique, but broad-band deep-sky observing and photography are significantly hindered. The eastern horizon is notably brighter, while looking towards the west offers slightly improved visibility.

For a considerable improvement in sky quality, Raisbeck, located around 65 km to the west, provides a much darker environment with Bortle class 3 skies. It’s a recommended option for dedicated deep-sky observation.

At a Glance

Overall

Poor urban/suburban sky - This is a poor sky for astronomy. The Moon, planets, and a few bright objects remain viable, but deep-sky work is difficult.

Milky Way

Not visible - The Milky Way is not realistically visible from this level of light pollution.

Best targets from here

Moon, planets, bright double stars, bright open clusters, narrowband imaging with careful processing

Do not prioritise

visual deep-sky observing, broadband galaxies, reflection nebulae, Milky Way photography

Best nearby upgrade

Raisbeck sits about 65 km west and reaches Bortle 3, roughly 8.6x darker.

Moderate dark window

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

No. Darlington is a Bortle Class 7 sky with SQM 19.03, 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 Darlington?

Darlington is Bortle Class 7 (SQM 19.03), a poor urban/suburban sky for astronomy.

Is Darlington good for stargazing?

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

Is Darlington good for astrophotography?

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

What can you observe from Darlington?

Primary targets from Darlington include Moon, planets, bright double stars, bright open clusters, narrowband imaging with careful processing. Targets such as visual deep-sky observing, broadband galaxies, reflection nebulae are not realistic from this sky.

Where are darker skies near Darlington?

The closest meaningfully darker mapped site is Butterwick, about 16 km north east of Darlington, reaching Bortle 6.

When is the sky darkest in Darlington?

The sky over Darlington is darkest around January, December. Significant summer limitation: around 85 nights per year have no true astronomical darkness.

Is light pollution in Darlington getting better or worse?

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

• Butterwick

  Direction

  NE

  Distance (km)

  16.3

  SQM

  20.08

  Bortle

  6

• Kidhow

  Direction

  SW

  Distance (km)

  54.1

  SQM

  21.17

  Bortle

  4

• Raisbeck

  Direction

  W

  Distance (km)

  64.5

  SQM

  21.36

  Bortle

  3

• Asenby

  Direction

  SSE

  Distance (km)

  39.3

  SQM

  20.45

  Bortle

  5

• Ramsgill

  Direction

  SSW

  Distance (km)

  46.8

  SQM

  20.60

  Bortle

  5

• Whitewall Corner

  Direction

  SE

  Distance (km)

  68.5

  SQM

  20.79

  Bortle

  5