Newcastle Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

19.19

Bortle class

Class 7 (Class 7)

Darkness Quotient

36%

Dataset

August 2026

Suburban/urban transition

Newcastle: The Practical Verdict

Newcastle, a mid-sized city in New South Wales, lies in the shadow of Sydney's light pollution to the south-south-west. The city's skies are marked by high light pollution, making it difficult for astronomers to enjoy deeply starry nights. With the Milky Way not visible under typical conditions, the sky here is classified as a poor urban/suburban environment for stargazing.

Point your instruments at the Moon, the planets, and bright double stars which remain good targets. Narrowband imaging of bright emission nebulae is possible with care, but traditional deep-sky observing will leave you wanting. The brightest horizon is to the north-north-east, while the east-south-east is the cleanest.

For a significant improvement in sky quality, consider travelling about 60 km north-east to Nerong, New South Wales. This site offers a darker setting under Bortle 4 skies, providing a worthwhile step-up for those committed to 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

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?

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

• 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