Nashville Stargazing & Astronomy Report

Light pollution and stargazing locations near Nashville

City
Nashville
Country
United States
Latitude
36.1627
Longitude
-86.7816

Key Sky Quality Metrics

SQM (mag/arcsec²)
17.16
Bortle class
Class 9 (Class 9)
Darkness Quotient
17%
Dataset
August 2026

Inner city sky

Nashville: The Practical Verdict

Nashville is a major city located in Tennessee. The light pollution here is extreme, making this a severe urban sky. The limiting factor is clear: the Milky Way is not visible, and only the brightest celestial objects manage to cut through.

From Nashville, the Moon, planets, and bright stars are the most reliable targets due to the overpowering light pollution. Double stars and solar system events can still be observed, but broad deep-sky pastimes like visual galaxy hunting and meteor watching are significantly hampered. Narrowband imaging needs careful planning due to severe sky brightness.

For those seeking a meaningful upgrade, SR 48, Tennessee, located to the south-west, offers a more tempered sky. At roughly 115 km away, it's worth the drive for serious deep-sky observations, providing Bortle 4 conditions and a noticeable reduction in sky brightness.

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
SR 48, Tennessee sits about 116 km south west and reaches Bortle 4, roughly 32x darker.
Good dark window
Nashville'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 Nashville?

No. Nashville is a Bortle Class 9 sky with SQM 17.16, 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 Nashville?

Nashville is Bortle Class 9 (SQM 17.16), a severe urban sky for astronomy.

Is Nashville good for stargazing?

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

Is Nashville good for astrophotography?

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

What can you observe from Nashville?

Primary targets from Nashville 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 Nashville?

The closest meaningfully darker mapped site is Mount Zion, Tennessee, about 22 km north west of Nashville, reaching Bortle 7.

When is the sky darkest in Nashville?

The sky over Nashville is darkest around January, December.

Is light pollution in Nashville getting better or worse?

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

north - fair

Light glow detectable on the north horizon. The effect fades quickly with elevation and does not affect overhead work.

north-north-east - marginal

Soft skyglow visible on the north-north-east horizon. Mid-brightness stars survive at low elevation; the faintest do not.

north-east - marginal

Soft skyglow visible on the north-east horizon. Mid-brightness stars survive at low elevation; the faintest do not.

east-north-east - marginal

The east-north-east lower sky is measurably brighter than the darker quarters. Limit faint work to above about 20 degrees here.

east - marginal

The east lower sky is measurably brighter than the darker quarters. Limit faint work to above about 20 degrees here.

east-south-east - marginal

A diffuse glow sits on the east-south-east horizon. Faint objects below 20 degrees in this direction are compromised.

south-east - marginal

The south-east lower sky is measurably brighter than the darker quarters. Limit faint work to above about 20 degrees here.

south-south-east - marginal

Noticeable glow on the south-south-east horizon. Stars below about 20 degrees in this direction are dimmed.

south - marginal

Noticeable glow on the south horizon. Stars below about 20 degrees in this direction are dimmed.

south-south-west - fair

A trace of skyglow near the south-south-west horizon. Stars are clear throughout this direction except very close to the ground.

south-west - fair

Faint glow on the south-west horizon. Most stars are visible to low elevation; only the faintest near the ground are affected.

west-south-west - fair

Faint glow on the west-south-west horizon. Most stars are visible to low elevation; only the faintest near the ground are affected.

west - fair

Faint glow on the west horizon. Most stars are visible to low elevation; only the faintest near the ground are affected.

west-north-west - fair

The west-north-west sky is broadly dark with a small amount of glow at the horizon. Most objects in this direction are accessible.

north-west - good

Dark sky in the north-west direction with no obvious skyglow. Suitable for faint-object work at low elevation.

north-north-west - fair

The north-north-west sky is broadly dark with a small amount of glow at the horizon. Most objects in this direction are accessible.

zenith - poor

The zenith sky background is high. Most faint stars are absent and the Milky Way cannot be seen.

  • Mount Zion, Tennessee
    Direction
    NW
    Distance (km)
    21.6
    SQM
    19.46
    Bortle
    7
  • Lawrence Road, Tennessee
    Direction
    ESE
    Distance (km)
    51.3
    SQM
    19.73
    Bortle
    6
  • Antioch Road, Tennessee
    Direction
    WNW
    Distance (km)
    109.6
    SQM
    20.77
    Bortle
    5
  • SR 48, Tennessee
    Direction
    SW
    Distance (km)
    115.5
    SQM
    20.91
    Bortle
    4
  • Gib Young Lane, Tennessee
    Direction
    E
    Distance (km)
    147.3
    SQM
    20.94
    Bortle
    4
  • Carroll County, Tennessee
    Direction
    W
    Distance (km)
    159.2
    SQM
    20.42
    Bortle
    5