Malang Stargazing & Astronomy Report
Light pollution and stargazing locations near Malang
- City
- Malang
- Country
- Indonesia
- Latitude
- -7.9771
- Longitude
- 112.6340
Key Sky Quality Metrics
- SQM (mag/arcsec²)
- 18.91
- Bortle class
- Class 7 (Class 7)
- Darkness Quotient
- 32%
- Dataset
- April 2026
Suburban/urban transition
Malang: The Practical Verdict
Malang, located in East Java, Indonesia, experiences high light pollution, limiting the quality of its night sky for dedicated stargazing. The overall sky brightness significantly hampers visibility of fainter objects, leaving the Milky Way completely obscured.
Targets such as the Moon, planets, and bright double stars remain visible and offer achievable observation sessions. For astrophotographers, narrowband imaging can yield results with precise equipment and processing, but visual observers will find most deep-sky objects inaccessible. The western horizon offers slightly cleaner views than other directions, though the improvement is limited.
For a modestly improved experience, travelling about 40 km south-east to Sumberurang in East Java is worth considering. This location offers darker skies under Bortle 5 conditions, enabling visibility of more targets, particularly for visual observation.
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
- Limited nearby upgrade
- Sumberurang, East Java is the strongest nearby option but remains Bortle 5; the improvement is real but modest.
- Good 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 7 sky with SQM 18.91, 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 7 (SQM 18.91), a poor urban/suburban sky for astronomy.
Is Malang good for stargazing?
Not for serious deep-sky observing. Malang 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 Malang good for astrophotography?
Broadband deep-sky imaging is heavily compromised from Malang and a Bortle 4 or darker site is strongly recommended. Narrowband imaging of bright emission nebulae remains viable from Malang with appropriate Ha or OIII filters.
What can you observe from Malang?
Primary targets from Malang 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 Malang?
The closest meaningfully darker mapped site is Pagersari, East Java, about 31 km west of Malang, reaching Bortle 5.
When is the sky darkest in Malang?
The sky over Malang is darkest around June, July.
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.
north - good
The north sky is dark to the horizon. Faint targets are accessible at all elevations here.
north-north-east - fair
The north-north-east sky is broadly dark with a small amount of glow at the horizon. Most objects in this direction are accessible.
north-east - good
The north-east sky is dark to the horizon. Faint targets are accessible at all elevations here.
east-north-east - good
The east-north-east horizon is dark. Faint stars are visible close to the ground.
east - good
The east horizon is dark. Faint stars are visible close to the ground.
east-south-east - good
No noticeable light pollution to the east-south-east. The sky in this direction is dark to the horizon.
south-east - good
Dark horizon to the south-east. Faint stars and extended objects in this direction behave much as they do overhead.
south-south-east - good
The south-south-east sky is dark to the horizon. Faint targets are accessible at all elevations here.
south - fair
The south sky is broadly dark with a small amount of glow at the horizon. Most objects in this direction are accessible.
south-south-west - good
Dark sky in the south-south-west direction with no obvious skyglow. Suitable for faint-object work at low elevation.
south-west - good
The south-west horizon is dark. Faint stars are visible close to the ground.
west-south-west - good
Dark horizon to the west-south-west. Faint stars and extended objects in this direction behave much as they do overhead.
west - good
The west sky is dark to the horizon. Faint targets are accessible at all elevations here.
west-north-west - good
The west-north-west sky is dark to the horizon. Faint targets are accessible at all elevations here.
north-west - fair
The north-west sky is broadly dark with a small amount of glow at the horizon. Most objects in this direction are accessible.
north-north-west - good
No noticeable light pollution to the north-north-west. The sky in this direction is dark to the horizon.
zenith - marginal
The overhead sky is too bright for faint-object work. Bright stars, planets, and the brighter clusters are accessible.
-
Pagersari, East Java
- Direction
- W
- Distance (km)
- 31.4
- SQM
- 20.47
- Bortle
- 5
-
Sumberurang, East Java
- Direction
- SE
- Distance (km)
- 39.5
- SQM
- 20.70
- Bortle
- 5
-
Tegalrejo Kidul, East Java
- Direction
- SSW
- Distance (km)
- 37.5
- SQM
- 20.47
- Bortle
- 5
-
Sibon, East Java
- Direction
- NE
- Distance (km)
- 34.2
- SQM
- 20.15
- Bortle
- 6
-
Bacem, East Java
- Direction
- WSW
- Distance (km)
- 48.3
- SQM
- 20.39
- Bortle
- 5
-
Bakung Temenggungan
- Direction
- WNW
- Distance (km)
- 62.1
- SQM
- 19.90
- Bortle
- 6