Eugene Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

18.30

Bortle class

Class 8 (Class 8)

Darkness Quotient

26%

Dataset

August 2026

City sky

Eugene: The Practical Verdict

Eugene, a mid-size city in Oregon, is an environment dominated by high light pollution, characteristic of urban skies. While an appealing place in many ways, it provides poor conditions for traditional stargazing. The bright urban sky completely erases the Milky Way's splendour. The primary limiting factor here is the pervasive light pollution inherent to a city of its size.

In this setting, your best targets are the Moon, planets, and bright stars. Double stars and solar system events also offer good opportunities. Complexities rise when attempting to observe dimmer celestial features like deep-sky objects which are all but invisible. Imaging in narrowband is possible but challenges remain for broadband targets.

Nonetheless, about 105 km to the south-west, Burnt Creek Road offers a significantly darker sky under Bortle class 3 conditions. This makes it worth the trip for deep-sky observations.

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 104 km south west and reaches Bortle 3, roughly 20x 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 18.30, 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 18.30), 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 Linn West Drive, Oregon, about 40 km east south east of Eugene, reaching Bortle 6.

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.

• Lane County, Oregon

  Direction

  W

  Distance (km)

  43.2

  SQM

  21.18

  Bortle

  4

• Lane County, Oregon

  Direction

  WNW

  Distance (km)

  43.8

  SQM

  21.21

  Bortle

  4

• Vincent Creek Fire Road, Oregon

  Direction

  WSW

  Distance (km)

  61.1

  SQM

  21.32

  Bortle

  3

• South Mountain Road, Oregon

  Direction

  NW

  Distance (km)

  52.6

  SQM

  20.78

  Bortle

  5

• Linn West Drive, Oregon

  Direction

  ESE

  Distance (km)

  40.2

  SQM

  20.27

  Bortle

  6

• Burnt Creek Road, Oregon

  Direction

  SW

  Distance (km)

  104.2

  SQM

  21.57

  Bortle

  3