Algiers Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

17.34

Bortle class

Class 9 (Class 9)

Darkness Quotient

18%

Dataset

August 2026

Inner city sky

Algiers: The Practical Verdict

Algiers, a major city and the capital of Algeria, is dominated by severe light pollution conditions due to its densely populated urban environment. Astronomically, it suffers from a severe urban sky which heavily restricts visibility of dim celestial objects.

The Milky Way is not visible from Algiers, and deep-sky observation is notably poor. Instead, focus on the Moon, planets, and bright stars which remain the most reliable targets. Narrowband imaging can work with effort, but broadband galaxies and nebulas will largely be drowned out by the city's light.

For those seeking a limited upgrade in sky quality, a trip to Hammam Taksenna, Bouira south-east of Algiers, offers moderately improved conditions with a Bortle 5 sky. However, this involves around a two-hour drive and is not a drastic improvement. Local observing conditions largely hinge on escaping the immediate light dome.

At a Glance

Overall

Severe urban sky - This is a severely light-polluted urban sky. Only the Moon, planets, bright stars, and a few specialist targets remain practical.

Milky Way

Not visible - The Milky Way is not visible from this sky.

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

Hammam Taksenna, Bouira is the strongest nearby option but remains Bortle 5; the improvement is real but modest.

Good dark window

Algiers's longest dark windows fall in December and January, with the shortest nights around June and July. Plan deep-sky sessions around the autumn and winter months for the best combination of long nights and true astronomical darkness.

Frequently Asked Questions

Can you see the Milky Way from Algiers?

No. Algiers is a Bortle Class 9 sky with SQM 17.34, 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 Algiers?

Algiers is Bortle Class 9 (SQM 17.34), a severe urban sky for astronomy.

Is Algiers good for stargazing?

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

Is Algiers good for astrophotography?

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

What can you observe from Algiers?

Primary targets from Algiers 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 Algiers?

The closest meaningfully darker mapped site is Megtaa Lazreg, Blida, about 28 km south of Algiers, reaching Bortle 7.

When is the sky darkest in Algiers?

The sky over Algiers is darkest around January, December.

Is light pollution in Algiers getting better or worse?

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

• Megtaa Lazreg, Blida

  Direction

  S

  Distance (km)

  28.3

  SQM

  19.29

  Bortle

  7

• Souhane, Blida

  Direction

  SE

  Distance (km)

  30.9

  SQM

  19.35

  Bortle

  7

• Hammam Taksenna, Bouira

  Direction

  SE

  Distance (km)

  104.6

  SQM

  20.38

  Bortle

  5

• Douar Choula, Tipaza

  Direction

  WSW

  Distance (km)

  126.6

  SQM

  20.21

  Bortle

  6

• Ferhoun, Bejaia

  Direction

  E

  Distance (km)

  138.9

  SQM

  20.14

  Bortle

  6