Darwin Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

19.26

Bortle class

Class 7 (Class 7)

Darkness Quotient

36%

Dataset

August 2026

Suburban/urban transition

Darwin: The Practical Verdict

Darwin is a small city situated near the northern coastline of Australia. As a light-polluted environment with a sky characterised as "Poor urban/suburban", serious stargazing here is quite challenging. The Milky Way is not visible, and the sky glow significantly obscures all but the brightest celestial objects.

While observing here, the Moon, planets, bright double stars, and select open clusters are your best targets. Narrowband imaging of certain bright nebulae is possible, but requires careful post-processing to work against the high light pollution. Avoid deep-sky observing, as galaxies and faint nebulae are largely inaccessible.

For a substantial improvement in visibility, consider heading to the Tiwi Islands to the north-north-east. This dark-sky location offers dramatically better observing conditions, being Bortle 2 with prime access to 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

Tiwi Islands sits about 103 km north north east and reaches Bortle 2, roughly 11x darker.

Good dark window

Darwin 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 Darwin?

No. Darwin 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 Darwin?

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

Is Darwin good for stargazing?

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

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

What can you observe from Darwin?

Primary targets from Darwin 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 Darwin?

The closest meaningfully darker mapped site is Cox Peninsula, about 18 km west of Darwin, reaching Bortle 3.

When is the sky darkest in Darwin?

The sky over Darwin is darkest around June, July.

Is light pollution in Darwin getting better or worse?

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

• Cox Peninsula

  Direction

  W

  Distance (km)

  17.5

  SQM

  21.32

  Bortle

  3

• Rakula

  Direction

  SW

  Distance (km)

  58

  SQM

  21.64

  Bortle

  3

• Koolpinyah

  Direction

  ENE

  Distance (km)

  44.6

  SQM

  21.00

  Bortle

  4

• Tiwi Islands

  Direction

  NNE

  Distance (km)

  103

  SQM

  21.84

  Bortle

  2

• Tiwi Islands

  Direction

  NNW

  Distance (km)

  107.3

  SQM

  21.83

  Bortle

  2

• Cobourg

  Direction

  NE

  Distance (km)

  202

  SQM

  21.94

  Bortle

  2