Northampton Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

18.72

Bortle class

Class 8 (Class 8)

Darkness Quotient

30%

Dataset

July 2026

City sky

Northampton: The Practical Verdict

Northampton, a small city in West Northamptonshire, confronts significant light pollution challenges. Overall, it presents a decidedly poor city sky for stargazing, with a Bortle Class 8 rating. The major limiting factor is the high light pollution that erases all but the brightest astronomical objects and local stars.

From within Northampton, narrowband visual and imaging work might be pursued for the brightest planets and Moon, but visual deep-sky observing and widefield galaxy fields are largely impractical. The Milky Way, even on the clearest nights, remains invisible amidst the ambient glow.

Serious observers looking to escape these constraints should consider heading north-north-east to Great Hale, roughly 90 km away. This direction offers a noticeable improvement to a Bortle Class 4 site, significantly better suited for deep-sky observing and more rewarding celestial views.

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

Great Hale sits about 92 km north north east and reaches Bortle 4, roughly 7.0x darker.

Moderate dark window

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

No. Northampton is a Bortle Class 8 sky with SQM 18.72, 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 Northampton?

Northampton is Bortle Class 8 (SQM 18.72), a poor city sky for astronomy.

Is Northampton good for stargazing?

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

Is Northampton good for astrophotography?

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

What can you observe from Northampton?

Primary targets from Northampton 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 Northampton?

The closest meaningfully darker mapped site is Draughton, about 14 km east of Northampton, reaching Bortle 6.

When is the sky darkest in Northampton?

The sky over Northampton is darkest around January, December. Significant summer limitation: around 66 nights per year have no true astronomical darkness.

Is light pollution in Northampton getting better or worse?

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

• Draughton

  Direction

  E

  Distance (km)

  13.9

  SQM

  20.25

  Bortle

  6

• Sharnbrook

  Direction

  E

  Distance (km)

  22.8

  SQM

  20.32

  Bortle

  5

• Tredington CP

  Direction

  W

  Distance (km)

  51.5

  SQM

  20.33

  Bortle

  5

• Great Hale

  Direction

  NNE

  Distance (km)

  91.5

  SQM

  20.84

  Bortle

  4

• Clawson, Hose and Harby

  Direction

  WSW

  Distance (km)

  66

  SQM

  20.21

  Bortle

  6

• Eddington

  Direction

  SSW

  Distance (km)

  99.7

  SQM

  20.65

  Bortle

  5