Northampton Stargazing & Astronomy Report

Light pollution and stargazing locations near Northampton

City
Northampton
Country
United Kingdom
Latitude
52.2405
Longitude
-0.9027

Key Sky Quality Metrics

SQM (mag/arcsec²)
18.72
Bortle class
Class 8 (Class 8)
Darkness Quotient
30%
Dataset
August 2026

City sky

Northampton: The Practical Verdict

Northampton, situated in West Northamptonshire, is a small city with substantial light pollution, classified as "High Light Pollution" due to its urban environment. The sky here is rated Bortle Class 8, indicative of a poor city sky where stargazing is significantly compromised. The primary limiting factor is the level of urban light, which erases any chance of seeing the Milky Way.

From this location, the Moon, planets, bright stars, and double stars are practical targets for observation. Narrowband imaging is feasible but requires careful setup to mitigate the light pollution. Most deep-sky objects will be overwhelmed by the sky brightness, making visual deep-sky observing unproductive.

If you're seeking better conditions, Soundborough to the west south-west offers slightly darker skies with Bortle Class 5, but even this is a limited upgrade. The improvement may be modest, largely depending on local transparency and horizon glare.

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
Limited nearby upgrade
Soundborough is the strongest nearby option but remains Bortle 5; the improvement is real but modest.
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 Ravenstone, about 12 km south 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?

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

north - good

The north sky is dark to the horizon. Faint targets are accessible at all elevations here.

north-north-east - good

Dark horizon to the north-north-east. Faint stars and extended objects in this direction behave much as they do overhead.

north-east - good

The north-east sky is dark to the horizon. Faint targets are accessible at all elevations here.

east-north-east - fair

A trace of skyglow near the east-north-east horizon. Stars are clear throughout this direction except very close to the ground.

east - good

No noticeable light pollution to the east. The sky in this direction is dark to the horizon.

east-south-east - good

Dark horizon to the east-south-east. Faint stars and extended objects in this direction behave much as they do overhead.

south-east - good

Dark horizon to the south-east. Faint stars and extended objects in this direction behave much as they do overhead.

south-south-east - good

No noticeable light pollution to the south-south-east. The sky in this direction is dark to the horizon.

south - good

Dark sky in the south direction with no obvious skyglow. Suitable for faint-object work at low elevation.

south-south-west - good

Dark horizon to the south-south-west. Faint stars and extended objects in this direction behave much as they do overhead.

south-west - good

The south-west horizon is dark. Faint stars are visible close to the ground.

west-south-west - good

Dark sky in the west-south-west direction with no obvious skyglow. Suitable for faint-object work at low elevation.

west - good

Dark horizon to the west. Faint stars and extended objects in this direction behave much as they do overhead.

west-north-west - good

Dark horizon to the west-north-west. Faint stars and extended objects in this direction behave much as they do overhead.

north-west - good

Dark sky in the north-west direction with no obvious skyglow. Suitable for faint-object work at low elevation.

north-north-west - good

The north-north-west horizon is dark. Faint stars are visible close to the ground.

zenith - marginal

The zenith sky is clearly elevated above natural levels. Limiting magnitude is around 3.5.

  • Ravenstone
    Direction
    SE
    Distance (km)
    12.2
    SQM
    19.72
    Bortle
    6
  • Soundborough
    Direction
    WSW
    Distance (km)
    78.1
    SQM
    20.65
    Bortle
    5
  • Preston
    Direction
    SE
    Distance (km)
    52.9
    SQM
    19.90
    Bortle
    6
  • Sanham Green
    Direction
    SSW
    Distance (km)
    103.9
    SQM
    20.62
    Bortle
    5
  • Ashen
    Direction
    ESE
    Distance (km)
    101
    SQM
    20.55
    Bortle
    5
  • Oxborough
    Direction
    ENE
    Distance (km)
    106
    SQM
    20.59
    Bortle
    5