Mildura Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

19.26

Bortle class

Class 7 (Class 7)

Darkness Quotient

36%

Dataset

April 2026

Suburban/urban transition

Mildura: The Practical Verdict

Mildura is a small city located in inland Australia with a light pollution profile typical of such urban areas. The sky quality is characterised as high pollution, yielding poor conditions for stargazing. Observers here encounter difficulties due to pervasive artificial light.

From Mildura, celestial observation is limited to brighter objects such as the Moon, planets, and easily distinguishable double stars and star clusters. The Milky Way is entirely obscured, and opportunities for deep-sky visual or broadband imaging targets are severely reduced. Narrowband imaging for bright emission nebulae remains viable with diligent processing.

For those seeking improved conditions, a worthwhile alternative lies about 245 km south-west of Mildura, where the sky achieves a Bortle 2 classification. Travelling to this darker site enables access to a much broader range of deep-sky targets.

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

243 km SW sits about 243 km south west and reaches Bortle 2, roughly 11x darker.

Good dark window

Mildura'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 Mildura?

No. Mildura is a Bortle Class 7 sky with SQM 19.26, 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 Mildura?

Mildura is Bortle Class 7 (SQM 19.26), a poor urban/suburban sky for astronomy.

Is Mildura good for stargazing?

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

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

What can you observe from Mildura?

Primary targets from Mildura 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 Mildura?

The closest meaningfully darker mapped site is 171 km WSW, about 171 km west south west of Mildura, reaching Bortle 3.

When is the sky darkest in Mildura?

The sky over Mildura is darkest around June, July.

Is light pollution in Mildura getting better or worse?

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

• 171 km WSW

  Direction

  WSW

  Distance (km)

  170.8

  SQM

  21.40

  Bortle

  3

• 215 km SSW

  Direction

  SSW

  Distance (km)

  214.8

  SQM

  21.68

  Bortle

  3

• 243 km SW

  Direction

  SW

  Distance (km)

  243.3

  SQM

  21.87

  Bortle

  2