Darwin Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

19.19

Bortle class

Class 7 (Class 7)

Darkness Quotient

36%

Dataset

April 2026

Suburban/urban transition

Darwin: The Practical Verdict

Darwin is a small city in the north of Australia, offering skies impacted by high light pollution levels stemming from its suburban environment. The overall verdict for astronomy here is a poor urban/suburban sky, limiting the visibility of most celestial objects.

The Milky Way is not visible from Darwin, and the sky lends itself primarily to observing bright objects such as the Moon, planets, and bright open clusters. Narrowband imaging may provide opportunities for capturing bright nebulae with careful processing, but broader deep-sky targets and visual observing of faint objects are largely inaccessible.

For better stargazing, the Tiwi Islands offer significant improvements, situated north-north-east and accessible within a reasonable timeframe. This site features vastly darker skies with a Bortle 2 classification, making it highly suitable for deep-sky exploration 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

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 19.19, 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 Darwin?

Darwin is Bortle Class 7 (SQM 19.19), 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 4.

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

  21.28

  Bortle

  4

• Rakula

  Direction

  SW

  Distance (km)

  58.5

  SQM

  21.62

  Bortle

  3

• Koolpinyah

  Direction

  NE

  Distance (km)

  43.4

  SQM

  20.95

  Bortle

  4

• Coconut Grove

  Direction

  SE

  Distance (km)

  6.3

  SQM

  19.79

  Bortle

  6

• Tiwi Islands

  Direction

  NNE

  Distance (km)

  103

  SQM

  21.84

  Bortle

  2

• Tiwi Islands

  Direction

  NNW

  Distance (km)

  107.4

  SQM

  21.84

  Bortle

  2