Ipswich Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

19.09

Bortle class

Class 7 (Class 7)

Darkness Quotient

34%

Dataset

April 2026

Suburban/urban transition

Ipswich: The Practical Verdict

Ipswich, a small city in Suffolk with suburban surroundings, experiences high light pollution, limiting stargazing opportunities. With a Bortle Class 7 sky, the overall practical verdict is that this is a poor location for astronomical observing.

The Milky Way is not visible here, and observing is best aimed at bright targets like the Moon, planets, and bright double stars. Brighter sections of open star clusters may also be discernible. Deep-sky targets requiring broadband sensitivity or low surface brightness are effectively concealed by the skyglow.

For a meaningful improvement, consider travelling north-north-east to St Margaret, South Elmham, roughly 40 km away. This site offers significantly darker skies for deep-sky observing and imaging.

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

St Margaret, South Elmham sits about 42 km north north east and reaches Bortle 4, roughly 6.9x darker.

Moderate dark window

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

No. Ipswich is a Bortle Class 7 sky with SQM 19.09, 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 Ipswich?

Ipswich is Bortle Class 7 (SQM 19.09), a poor urban/suburban sky for astronomy.

Is Ipswich good for stargazing?

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

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

What can you observe from Ipswich?

Primary targets from Ipswich 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 Ipswich?

The closest meaningfully darker mapped site is Little Oakley, about 16 km south south east of Ipswich, reaching Bortle 5.

When is the sky darkest in Ipswich?

The sky over Ipswich is darkest around January, December. Significant summer limitation: around 65 nights per year have no true astronomical darkness.

Is light pollution in Ipswich getting better or worse?

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

• Wantisden

  Direction

  E

  Distance (km)

  17.7

  SQM

  20.88

  Bortle

  4

• Little Oakley

  Direction

  SSE

  Distance (km)

  15.6

  SQM

  20.46

  Bortle

  5

• St Margaret, South Elmham

  Direction

  NNE

  Distance (km)

  41.5

  SQM

  21.18

  Bortle

  4

• Little Ellingham

  Direction

  WSW

  Distance (km)

  57.3

  SQM

  21.02

  Bortle

  4

• Oxlode

  Direction

  NW

  Distance (km)

  81.5

  SQM

  20.67

  Bortle

  5

• Rushden

  Direction

  W

  Distance (km)

  87.8

  SQM

  20.57

  Bortle

  5