Austin Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

17.48

Bortle class

Class 9 (Class 9)

Darkness Quotient

19%

Dataset

July 2026

Inner city sky

Austin: The Practical Verdict

Austin is a major city in Texas with extensive urban density contributing to an extreme level of light pollution. As such, the overall astronomy quality here is sharply limited. The inner city sky is characterised by severe urban sky conditions, and the Milky Way is not visible from this location.

From within Austin, observational targets are restricted primarily to the Moon, planets, bright stars, and double stars. While narrowband imaging can be attempted, most deep-sky visual observing, such as viewing reflection nebulae or observing meteor showers, is not feasible due to the overwhelming sky brightness.

For a modest improvement in observing conditions, travelling around 95 km north-east to County Road 331 could offer a slightly darker sky under Bortle 5 conditions. However, the local conditions there still present challenges typical of milder light pollution, suggesting any trip must be carefully considered against the potential improvements.

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

Limited nearby upgrade

County Road 331, Texas is the strongest nearby option but remains Bortle 5; the improvement is real but modest.

Good dark window

Austin'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 Austin?

No. Austin is a Bortle Class 9 sky with SQM 17.48, 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 Austin?

Austin is Bortle Class 9 (SQM 17.48), a severe urban sky for astronomy.

Is Austin good for stargazing?

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

Is Austin good for astrophotography?

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

What can you observe from Austin?

Primary targets from Austin 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 Austin?

The closest meaningfully darker mapped site is 3090, Texas, about 49 km south west of Austin, reaching Bortle 6.

When is the sky darkest in Austin?

The sky over Austin is darkest around January, December.

Is light pollution in Austin getting better or worse?

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

• 3090, Texas

  Direction

  SW

  Distance (km)

  48.9

  SQM

  19.88

  Bortle

  6

• Thompsonville, Texas

  Direction

  SSE

  Distance (km)

  68.8

  SQM

  20.26

  Bortle

  6

• County Road 102, Texas

  Direction

  S

  Distance (km)

  88.2

  SQM

  20.41

  Bortle

  5

• County Road 331, Texas

  Direction

  ENE

  Distance (km)

  94.3

  SQM

  20.60

  Bortle

  5

• Bell County, Texas

  Direction

  S

  Distance (km)

  68.5

  SQM

  19.45

  Bortle

  7

• Round Top, Texas

  Direction

  ESE

  Distance (km)

  103

  SQM

  20.30

  Bortle

  6