Algiers Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

17.23

Bortle class

Class 9 (Class 9)

Darkness Quotient

17%

Dataset

July 2026

Inner city sky

Algiers: The Practical Verdict

Algiers is a major city in Algeria, nestled along the Mediterranean coast. The sky here struggles with severe urban light pollution conditions, making it a challenging location for stargazing. The primary hindrance is the abundance of artificial light, which obscures all but the brightest astronomical objects.

From this heavily light-polluted sky, targets such as the Moon, planets, bright stars, and double stars remain observable. However, the Milky Way is not visible at all. The oppressive glow makes visual attempts at detecting deep-sky objects impractical, so focus on solar system events or narrowband imaging.

For serious observers, heading south towards Ouled Ben Haoua in Ksar El Boukhari Province offers a significant improvement in sky quality. With darkness levels much enhanced around 95 km away, this is the best upgrade for those keen on deeper celestial explorations.

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

Best nearby upgrade

Ouled Ben Haoua, Ksar El Boukhari Province sits about 95 km south and reaches Bortle 4, roughly 30x darker.

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 17.23, 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 17.23), 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 Ouled Ben Haoua, Ksar El Boukhari Province, about 95 km south of Algiers, reaching Bortle 4.

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.

• Ouled Ben Haoua, Ksar El Boukhari Province

  Direction

  S

  Distance (km)

  95.2

  SQM

  20.93

  Bortle

  4

• Ibahlal, Tizi Ouzou

  Direction

  E

  Distance (km)

  97

  SQM

  19.99

  Bortle

  6

• Douar Adouia, Tipaza

  Direction

  WSW

  Distance (km)

  121.9

  SQM

  20.24

  Bortle

  6

• Douar Aghoule, Bordj Bou Arreridj

  Direction

  ESE

  Distance (km)

  122.8

  SQM

  20.21

  Bortle

  6

• Ouled Yahia Sahari, Aïn Oussara

  Direction

  SSE

  Distance (km)

  139.4

  SQM

  20.36

  Bortle

  5