Hartlepool Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

18.97

Bortle class

Class 7 (Class 7)

Darkness Quotient

33%

Dataset

August 2026

Suburban/urban transition

Hartlepool: The Practical Verdict

Hartlepool is a small city in the United Kingdom with a significant suburban landscape. The light pollution here is distinct, classifying it as high light pollution, making it a poor urban/suburban sky for stargazing. Observers should expect the Milky Way to be invisible.

From this location, the Moon, planets, and bright open clusters remain the best targets. Narrowband imaging might still reveal some details in bright emission nebulae with careful processing, but visual deep-sky observing is impractical, and Milky Way photography is best avoided.

For a meaningful upgrade, head west. Around a 140 km drive will take you to a Bortle 3 site, significantly darker than what's available locally, ideal for serious 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

142 km W sits about 142 km west and reaches Bortle 3, roughly 9.7x darker.

Moderate dark window

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

No. Hartlepool is a Bortle Class 7 sky with SQM 18.97, 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 Hartlepool?

Hartlepool is Bortle Class 7 (SQM 18.97), a poor urban/suburban sky for astronomy.

Is Hartlepool good for stargazing?

Not for serious deep-sky observing. Hartlepool 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 Hartlepool good for astrophotography?

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

What can you observe from Hartlepool?

Primary targets from Hartlepool 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 Hartlepool?

The closest meaningfully darker mapped site is 51 km SE, about 51 km south east of Hartlepool, reaching Bortle 4.

When is the sky darkest in Hartlepool?

The sky over Hartlepool is darkest around January, December. Significant summer limitation: around 87 nights per year have no true astronomical darkness.

Is light pollution in Hartlepool getting better or worse?

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

• 51 km SE

  Direction

  SE

  Distance (km)

  50.5

  SQM

  21.04

  Bortle

  4

• 81 km WSW

  Direction

  WSW

  Distance (km)

  80.6

  SQM

  20.87

  Bortle

  4

• 79 km WNW

  Direction

  WNW

  Distance (km)

  78.6

  SQM

  20.54

  Bortle

  5

• 71 km SSW

  Direction

  SSW

  Distance (km)

  71.4

  SQM

  20.26

  Bortle

  6

• 142 km W

  Direction

  W

  Distance (km)

  141.7

  SQM

  21.44

  Bortle

  3