Austin Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

17.56

Bortle class

Class 9 (Class 9)

Darkness Quotient

19%

Dataset

August 2026

Inner city sky

Austin: The Practical Verdict

Austin, a major city in Texas, suffers from severe urban sky conditions, making it quite challenging for quality stargazing. Under such intense light pollution, the Milky Way is entirely not visible, dominating the sky with its brightness.

The best targets here are often restricted to the Moon, planets, and double stars, with bright stars being easily discernible. For deep-sky observers, efforts to visualise nebulae or galaxies will largely be in vain. The extreme light pollution makes these targets impractical without specific equipment tailored for high light-pollution conditions.

Those seeking better skies should head south to areas like Gonzales County, Texas. While this provides a modest upgrade, relieving some of the urban brightness, it does not offer dramatically darker 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

Limited nearby upgrade

Gonzales County, 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 17.56, 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 17.56), 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 3899, Texas, about 57 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.

• 3899, Texas

  Direction

  SW

  Distance (km)

  56.5

  SQM

  20.12

  Bortle

  6

• Gonzales County, Texas

  Direction

  S

  Distance (km)

  77

  SQM

  20.55

  Bortle

  5

• Lee County, Texas

  Direction

  E

  Distance (km)

  88.3

  SQM

  20.05

  Bortle

  6

• FM 530, Texas

  Direction

  SE

  Distance (km)

  160.4

  SQM

  20.75

  Bortle

  5

• Freestone County, Texas

  Direction

  NNE

  Distance (km)

  208.8

  SQM

  20.45

  Bortle

  5