Mackay Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

19.22

Bortle class

Class 7 (Class 7)

Darkness Quotient

36%

Dataset

April 2026

Suburban/urban transition

Mackay: The Practical Verdict

Located in Queensland, Mackay is a small regional city with a suburban character. The sky here is dominated by high levels of light pollution, limiting most stargazing activities. The Milky Way is not visible under these conditions.

Within Mackay’s sky, you’ll find that observing is most practical for the Moon, planets, and bright double stars, along with the cores of globular clusters during optimal conditions. Deep-sky observing and wide-field astrophotography are largely unfeasible due to the bright artificial skyglow, especially to the south-east.

For significantly darker skies, the Coral Sea area to the north-north-east, approximately 40 km away, provides a much better opportunity under Bortle 2 conditions for deep-sky observations and photography.

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

Coral Sea, Queensland sits about 40 km north north east and reaches Bortle 2, roughly 10x darker.

Good dark window

Mackay retains astronomical darkness throughout the year, so seasonality is less extreme than at higher latitudes. The main limitation is light pollution, not the length of the dark window.

Frequently Asked Questions

Can you see the Milky Way from Mackay?

No. Mackay is a Bortle Class 7 sky with SQM 19.22, 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 Mackay?

Mackay is Bortle Class 7 (SQM 19.22), a poor urban/suburban sky for astronomy.

Is Mackay good for stargazing?

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

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

What can you observe from Mackay?

Primary targets from Mackay 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 Mackay?

The closest meaningfully darker mapped site is Rural View, Queensland, about 10 km north north west of Mackay, reaching Bortle 5.

When is the sky darkest in Mackay?

The sky over Mackay is darkest around June, July.

Is light pollution in Mackay getting better or worse?

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

• Coral Sea, Queensland

  Direction

  NNE

  Distance (km)

  40

  SQM

  21.74

  Bortle

  2

• Rural View, Queensland

  Direction

  NNW

  Distance (km)

  9.5

  SQM

  20.36

  Bortle

  5

• Cape Conway, Queensland

  Direction

  NNW

  Distance (km)

  96.4

  SQM

  21.77

  Bortle

  2

• The Percy Group, Queensland

  Direction

  ESE

  Distance (km)

  135

  SQM

  21.92

  Bortle

  2

• Bowen, Queensland

  Direction

  NW

  Distance (km)

  133.8

  SQM

  21.34

  Bortle

  3