Malang Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

18.78

Bortle class

Class 8 (Class 8)

Darkness Quotient

31%

Dataset

July 2026

City sky

Malang: The Practical Verdict

Malang, situated in East Java, presents itself as a city facing high levels of light pollution. With the urban sky being particularly bright, stargazing opportunities are limited and the overall verdict for astronomy here is poor. The primary challenge is the pervasive light pollution which largely obscures celestial features.

The Milky Way is not visible due to the bright urban background, and deep-sky observing is unfeasible. However, observing the Moon, planets, and bright stars remains possible, particularly around solar system events. Narrowband imaging can be done with care, focusing on the brightest nebulae; but broad sky observations should be avoided.

For those seeking improved conditions, a location approximately 70 km east-south-east to Selok Awar Awar can offer a modest upgrade in sky quality. While not dramatically darker, this site provides somewhat improved conditions conducive to a broader range of targets.

At a Glance

Overall

Poor city sky - This is a poor city sky. The Milky Way is not visible and most deep-sky observing is unrealistic from the location itself.

Milky Way

Not visible - The Milky Way is erased by the bright urban sky background.

Best targets from here

Moon, planets, bright stars, double stars, solar system events, narrowband imaging only with care

Do not prioritise

visual deep-sky observing, broadband galaxies, reflection nebulae, widefield Milky Way

Limited nearby upgrade

Selok Awar Awar, East Java is the strongest nearby option but remains Bortle 5; the improvement is real but modest.

Long dark window

Malang 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 Malang?

No. Malang is a Bortle Class 8 sky with SQM 18.78, 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 Malang?

Malang is Bortle Class 8 (SQM 18.78), a poor city sky for astronomy.

Is Malang good for stargazing?

Not for serious deep-sky observing. Malang is a poor city sky where the Moon, planets, and a handful of bright targets are the realistic options from the city itself.

Is Malang good for astrophotography?

Broadband deep-sky imaging is heavily compromised from Malang and a Bortle 4 or darker site is strongly recommended. Even narrowband imaging is difficult from Malang without careful processing.

What can you observe from Malang?

Primary targets from Malang include Moon, planets, bright stars, double stars, solar system events. Targets such as visual deep-sky observing, broadband galaxies, reflection nebulae are not realistic from this sky.

Where are darker skies near Malang?

The closest meaningfully darker mapped site is Sumberkotes, East Java, about 28 km south south east of Malang, reaching Bortle 5.

When is the sky darkest in Malang?

The sky over Malang is darkest around May, October.

Is light pollution in Malang getting better or worse?

The long-term trend for Malang is gradually worsening, with the sky brightening by about 0.05 SQM per year.

• Sumberkotes, East Java

  Direction

  SSE

  Distance (km)

  28.4

  SQM

  20.44

  Bortle

  5

• Binangun, East Java

  Direction

  SW

  Distance (km)

  42.4

  SQM

  20.51

  Bortle

  5

• Jimbaran, East Java

  Direction

  NE

  Distance (km)

  31.8

  SQM

  20.16

  Bortle

  6

• Blitar, East Java

  Direction

  W

  Distance (km)

  44.8

  SQM

  20.24

  Bortle

  6

• Selok Awar Awar, East Java

  Direction

  ESE

  Distance (km)

  68.1

  SQM

  20.75

  Bortle

  5

• Kunjorowesi, East Java

  Direction

  ENE

  Distance (km)

  40.8

  SQM

  19.61

  Bortle

  6