Newcastle Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

19.19

Bortle class

Class 7 (Class 7)

Darkness Quotient

36%

Dataset

July 2026

Suburban/urban transition

Newcastle: The Practical Verdict

Newcastle in New South Wales is a mid-size city with a suburban setting, offering stargazing dominated by high light pollution. This results in a poor urban/suburban sky for astronomy purposes. The main limiting factor is the brightness dome that renders the Milky Way invisible from within the city limits.

From Newcastle, the best observational targets include the Moon, planets, bright double stars, and open clusters. Narrowband imaging is feasible with careful processing. However, deep-sky visual observing is largely impractical here, and tasks like Milky Way photography or faint meteor work are extremely challenging.

For significantly better darkness, consider a trip around 60 km to the north-east to Nerong, New South Wales. This site boasts darker skies with a Bortle 4 rating, making it a worthwhile destination for serious deep-sky observation and astrophotography.

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

Nerong, New South Wales sits about 60 km north east and reaches Bortle 4, roughly 6.9x darker.

Good dark window

Newcastle's longest dark windows fall in June and July, with the shortest nights around December and January. For deep-sky imaging, winter gives the best combination of long nights and true astronomical darkness.

Frequently Asked Questions

Can you see the Milky Way from Newcastle?

No. Newcastle is a Bortle Class 7 sky with SQM 19.19, 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 Newcastle?

Newcastle is Bortle Class 7 (SQM 19.19), a poor urban/suburban sky for astronomy.

Is Newcastle good for stargazing?

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

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

What can you observe from Newcastle?

Primary targets from Newcastle 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 Newcastle?

The closest meaningfully darker mapped site is Wyong, New South Wales, about 49 km south south west of Newcastle, reaching Bortle 5.

When is the sky darkest in Newcastle?

The sky over Newcastle is darkest around June, July.

Is light pollution in Newcastle getting better or worse?

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

• Nerong, New South Wales

  Direction

  NE

  Distance (km)

  60.1

  SQM

  21.28

  Bortle

  4

• Wyong, New South Wales

  Direction

  SSW

  Distance (km)

  48.7

  SQM

  20.31

  Bortle

  5

• Keinbah, New South Wales

  Direction

  NW

  Distance (km)

  39.2

  SQM

  20.08

  Bortle

  6