Eugene Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

18.38

Bortle class

Class 8 (Class 8)

Darkness Quotient

26%

Dataset

April 2026

City sky

Eugene: The Practical Verdict

Eugene, a mid-sized city in Oregon, offers challenging conditions for stargazing due to high levels of light pollution. The Milky Way is completely invisible here, and most deep-sky observing is impractical.

Observing is best focused on the Moon, planets, bright stars, and double stars, which can cut through the urban glow. Narrowband imaging of brighter nebulae is possible with care, while broadband imaging and extensive deep-sky exploration suffer greatly. The eastern horizon is the brightest, with the south-south-west being somewhat cleaner if access to a better vantage is possible.

The best improvement for deep-sky enthusiasts lies around 105 km south-west at Burnt Creek Road, where the skies are significantly darker and classified as Bortle 3. This trip is well worth it for those aiming to observe fainter targets or conduct more ambitious astrophotography.

At a Glance

Overall

Poor city sky - This is a poor city sky. The Milky Way is not visible and most deep-sky observing is unrealistic from the location itself.

Milky Way

Not visible - The Milky Way is erased by the bright urban sky background.

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

Burnt Creek Road, Oregon sits about 105 km south west and reaches Bortle 3, roughly 19x darker.

Good dark window

Eugene'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 Eugene?

No. Eugene is a Bortle Class 8 sky with SQM 18.38, 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 Eugene?

Eugene is Bortle Class 8 (SQM 18.38), a poor city sky for astronomy.

Is Eugene good for stargazing?

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

Is Eugene good for astrophotography?

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

What can you observe from Eugene?

Primary targets from Eugene 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 Eugene?

The closest meaningfully darker mapped site is Shedd, Oregon, about 43 km south east of Eugene, reaching Bortle 5.

When is the sky darkest in Eugene?

The sky over Eugene is darkest around January, December.

Is light pollution in Eugene getting better or worse?

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

• 21.2 Road, Oregon

  Direction

  WNW

  Distance (km)

  50.6

  SQM

  21.02

  Bortle

  4

• Vincent Creek Fire Road, Oregon

  Direction

  WSW

  Distance (km)

  61

  SQM

  21.35

  Bortle

  3

• Shedd, Oregon

  Direction

  SE

  Distance (km)

  42.7

  SQM

  20.51

  Bortle

  5

• Lane County, Oregon

  Direction

  W

  Distance (km)

  49.7

  SQM

  20.76

  Bortle

  5

• Nashville, Oregon

  Direction

  NNW

  Distance (km)

  75.4

  SQM

  20.95

  Bortle

  4

• Burnt Creek Road, Oregon

  Direction

  SW

  Distance (km)

  104.5

  SQM

  21.60

  Bortle

  3