Baton Rouge Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

17.52

Bortle class

Class 9 (Class 9)

Darkness Quotient

19%

Dataset

July 2026

Inner city sky

Baton Rouge: The Practical Verdict

Baton Rouge, a mid-size city in Louisiana, is heavily impacted by extreme light pollution, making it one of the least ideal spots for stargazing. The overall sky quality is severely urban, with limited visibility of even the brightest celestial objects due to the inner city sky conditions.

From this location, the Milky Way is entirely obscured, leaving only the Moon, planets, and the brightest stars as feasible targets for observers. Narrowband imaging is possible with care, but those looking to observe deep-sky objects should avoid this spot. The west horizon offers slightly better conditions than others, yet remains heavily compromised.

The best local option for a darker sky is St. Mary Parish, Louisiana, about 95 km to the south-south-west. A trip there is worthwhile for serious deep-sky observing as it provides substantially improved visibility under a Bortle 4 sky.

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

St. Mary Parish, Louisiana sits about 94 km south south west and reaches Bortle 4, roughly 21x darker.

Good dark window

Baton Rouge'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 Baton Rouge?

No. Baton Rouge is a Bortle Class 9 sky with SQM 17.52, 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 Baton Rouge?

Baton Rouge is Bortle Class 9 (SQM 17.52), a severe urban sky for astronomy.

Is Baton Rouge good for stargazing?

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

Is Baton Rouge good for astrophotography?

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

What can you observe from Baton Rouge?

Primary targets from Baton Rouge 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 Baton Rouge?

The closest meaningfully darker mapped site is Livingston Parish, Louisiana, about 61 km east of Baton Rouge, reaching Bortle 6.

When is the sky darkest in Baton Rouge?

The sky over Baton Rouge is darkest around January, December.

Is light pollution in Baton Rouge getting better or worse?

There is not yet enough long-term data to give a confident trend for Baton Rouge.

• Le Moyen, Louisiana

  Direction

  WNW

  Distance (km)

  87.6

  SQM

  20.77

  Bortle

  5

• Livingston Parish, Louisiana

  Direction

  E

  Distance (km)

  61.2

  SQM

  19.73

  Bortle

  6

• St. Mary Parish, Louisiana

  Direction

  SSW

  Distance (km)

  94.4

  SQM

  20.84

  Bortle

  4

• Welch Road, Mississippi

  Direction

  NNE

  Distance (km)

  94.8

  SQM

  20.68

  Bortle

  5

• Terrebonne Parish, Louisiana

  Direction

  S

  Distance (km)

  104.5

  SQM

  20.57

  Bortle

  5

• Vermilion Parish, Louisiana

  Direction

  SW

  Distance (km)

  130.5

  SQM

  20.81

  Bortle

  4