Lubumbashi Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

18.94

Bortle class

Class 7 (Class 7)

Darkness Quotient

32%

Dataset

July 2026

Suburban/urban transition

Lubumbashi: The Practical Verdict

Lubumbashi, located in Haut-Katanga, DR Congo, is a major city with dense urban surroundings. The sky here is marked by high light pollution with a SQM of 18.94, categorised under Bortle Class 7. This makes it a challenging place for astronomy, where the Milky Way is not visible. The primary limiting factor is the pervasive urban glow.

Observers in Lubumbashi will find that the Moon and planets are easily visible, as well as bright double stars and open clusters. Some bright nebulae are visible with narrowband imaging, though deep-sky observing remains impractical. Low-surface-brightness targets should be avoided as the light pollution significantly reduces visibility.

For stargazers willing to travel, Mwewa in Luapula Province offers a substantial upgrade, lying about 255 km east north-east. This site provides Bortle Class 2 skies, a clear improvement for those interested in deep-sky objects.

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

Mwewa, Luapula Province sits about 253 km east north east and reaches Bortle 2, roughly 14x darker.

Good dark window

Lubumbashi 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 Lubumbashi?

No. Lubumbashi is a Bortle Class 7 sky with SQM 18.94, 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 Lubumbashi?

Lubumbashi is Bortle Class 7 (SQM 18.94), a poor urban/suburban sky for astronomy.

Is Lubumbashi good for stargazing?

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

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

What can you observe from Lubumbashi?

Primary targets from Lubumbashi 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 Lubumbashi?

The closest meaningfully darker mapped site is Haut-Katanga, about 38 km north west of Lubumbashi, reaching Bortle 4.

When is the sky darkest in Lubumbashi?

The sky over Lubumbashi is darkest around June, July.

Is light pollution in Lubumbashi getting better or worse?

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

• Haut-Katanga

  Direction

  NW

  Distance (km)

  37.5

  SQM

  21.17

  Bortle

  4

• Pelu, Haut-Katanga

  Direction

  SE

  Distance (km)

  202.1

  SQM

  21.47

  Bortle

  3

• Mwewa, Luapula Province

  Direction

  ENE

  Distance (km)

  252.5

  SQM

  21.77

  Bortle

  2