Huntsville Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

17.92

Bortle class

Class 9 (Class 9)

Darkness Quotient

22%

Dataset

August 2026

Inner city sky

Huntsville: The Practical Verdict

Huntsville, a mid-size city in Alabama, presents challenges for astronomical activities due to high light pollution. The urban sky is severely limited, with Bortle Class 9 conditions making most deep-sky observing impractical. Particularly, the light pollution hinders visibility, making the Milky Way invisible.

For observers in Huntsville, the most feasible targets are the Moon, planets, bright stars, and notable double stars. Narrowband imaging can still yield rewards for patient efforts, provided care is taken, but broadband attempts will be affected by sky brightness. It is advisable to avoid low-surface-brightness objects and broad deep-sky imaging as they produce unsatisfactory results.

A significant improvement in sky quality is located about 115 km north-west at "198, Tennessee", offering a Bortle 4 sky. This site represents a meaningful upgrade and is worth the effort for serious observers seeking 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

198, Tennessee sits about 117 km north west and reaches Bortle 4, roughly 16x darker.

Good dark window

Huntsville'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 Huntsville?

No. Huntsville is a Bortle Class 9 sky with SQM 17.92, 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 Huntsville?

Huntsville is Bortle Class 9 (SQM 17.92), a severe urban sky for astronomy.

Is Huntsville good for stargazing?

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

Is Huntsville good for astrophotography?

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

What can you observe from Huntsville?

Primary targets from Huntsville 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 Huntsville?

The closest meaningfully darker mapped site is Leggtown, Alabama, about 52 km north west of Huntsville, reaching Bortle 6.

When is the sky darkest in Huntsville?

The sky over Huntsville is darkest around January, December.

Is light pollution in Huntsville getting better or worse?

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

• Leggtown, Alabama

  Direction

  NW

  Distance (km)

  52.2

  SQM

  20.13

  Bortle

  6

• 3904, Tennessee

  Direction

  SW

  Distance (km)

  67.2

  SQM

  20.04

  Bortle

  6

• Hayden, Alabama

  Direction

  SSW

  Distance (km)

  92

  SQM

  20.30

  Bortle

  6

• 198, Tennessee

  Direction

  NW

  Distance (km)

  116.9

  SQM

  20.94

  Bortle

  4

• Gordon County, Georgia

  Direction

  E

  Distance (km)

  141.4

  SQM

  20.52

  Bortle

  5