Lubumbashi Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

19.03

Bortle class

Class 7 (Class 7)

Darkness Quotient

33%

Dataset

April 2026

Suburban/urban transition

Lubumbashi: The Practical Verdict

Lubumbashi, as one of the major cities in DR Congo, presents a challenging environment for stargazing due to significant levels of light pollution and urban density. The sky here is classified under high light pollution with the Milky Way fully obscured, limiting the viewing experience.

While under this urban sky, objects such as the Moon, planets, and bright double stars remain visible and rewarding to observe. Bright open clusters and certain nebulae might also be approachable with narrowband imaging and careful processing techniques. Deep-sky objects and broadband astronomical targets, however, are best avoided as they are strongly hindered by the sky brightness.

For those seeking much better conditions, a drive north-north-east to Haut-Katanga, around 255 km away, offers a vastly darker sky under Bortle 2 conditions. This drive is recommended for anyone aiming to enjoy the finest deep-sky viewing.

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

Haut-Katanga sits about 253 km north north east and reaches Bortle 2, roughly 13x 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 19.03, 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 19.03), 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 63 km west south west of Lubumbashi, reaching Bortle 3.

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

  WSW

  Distance (km)

  62.5

  SQM

  21.32

  Bortle

  3

• Haut-Katanga

  Direction

  NNE

  Distance (km)

  252.5

  SQM

  21.83

  Bortle

  2

• Sakania, Haut-Katanga

  Direction

  ESE

  Distance (km)

  253.6

  SQM

  21.59

  Bortle

  3