Baton Rouge Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

17.45

Bortle class

Class 9 (Class 9)

Darkness Quotient

19%

Dataset

May 2026

Inner city sky

Baton Rouge: The Practical Verdict

Baton Rouge, a mid-size city in Louisiana, faces severe urban sky conditions due to extreme light pollution. Most stargazers will find the experience here quite limited, with the city lights outshining the fainter celestial features entirely. The Milky Way is not visible from within the city limits.

From Baton Rouge, stargazing should focus on the Moon, planets, bright stars, and solar system events, as they manage to pierce the light dome. For deep-sky observation, this location offers negligible opportunity; visual deep-sky observing and widefield Milky Way views are out of reach. However, narrowband imaging can still produce results when handling the city’s intense light.

For those willing to travel, Terrebonne Parish in Louisiana offers a significantly darker sky about 170 km south-south-east. It provides a substantial upgrade with a Bortle 3 classification, suitable for more serious deep-sky enthusiasts ready to seek clearer night skies.

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

Terrebonne Parish, Louisiana sits about 170 km south south east and reaches Bortle 3, roughly 47x 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 17.45, 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 17.45), 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 Iberville Parish, Louisiana, about 42 km south south west 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?

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

• Iberville Parish, Louisiana

  Direction

  SSW

  Distance (km)

  41.5

  SQM

  20.23

  Bortle

  6

• St. Mary Parish, Louisiana

  Direction

  SSW

  Distance (km)

  101.7

  SQM

  21.08

  Bortle

  4

• Terrebonne Parish, Louisiana

  Direction

  SSE

  Distance (km)

  106.5

  SQM

  20.28

  Bortle

  6

• Terrebonne Parish, Louisiana

  Direction

  SSE

  Distance (km)

  170

  SQM

  21.62

  Bortle

  3

• Vermilion Parish, Louisiana

  Direction

  WSW

  Distance (km)

  139.8

  SQM

  20.67

  Bortle

  5

• Tuckers Drive Southeast, Mississippi

  Direction

  NE

  Distance (km)

  134.6

  SQM

  20.26

  Bortle

  6