Pueblo Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

19.29

Bortle class

Class 7 (Class 7)

Darkness Quotient

37%

Dataset

May 2026

Suburban/urban transition

Pueblo: The Practical Verdict

Pueblo, a small city in Colorado, is primarily suburban in nature with an expected level of high light pollution. Overall, stargazing conditions here are poor for urban and suburban areas, particularly with the Milky Way being effectively invisible. The light-heavy sky does significantly limit deep-sky observations.

From Pueblo, the Moon, planets, bright double stars, and bright open clusters remain the primary observational targets accessible to visual observers. Narrowband imaging can also be attempted, albeit with careful processing to counteract the ambient light. Broadly speaking, visual deep-sky observing and photography focused on the Milky Way are not viable here.

For those seeking a notable improvement in sky quality, heading north-east to Yuma County, about 270 km away, offers a dark sky escape. This site provides a Bortle 3 environment, suitable for serious deep-sky astronomy ventures.

At a Glance

Overall

Poor urban/suburban sky - This is a poor sky for astronomy. The Moon, planets, and a few bright objects remain viable, but deep-sky work is difficult.

Milky Way

Not visible - The Milky Way is not realistically visible from this level of light pollution.

Best targets from here

Moon, planets, bright double stars, bright open clusters, narrowband imaging with careful processing

Do not prioritise

visual deep-sky observing, broadband galaxies, reflection nebulae, Milky Way photography

Best nearby upgrade

Yuma County, Colorado sits about 269 km north east and reaches Bortle 3, roughly 8.8x darker.

Good dark window

Pueblo'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 Pueblo?

No. Pueblo is a Bortle Class 7 sky with SQM 19.29, 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 Pueblo?

Pueblo is Bortle Class 7 (SQM 19.29), a poor urban/suburban sky for astronomy.

Is Pueblo good for stargazing?

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

Is Pueblo good for astrophotography?

Broadband deep-sky imaging is heavily compromised from Pueblo and a Bortle 4 or darker site is strongly recommended. Narrowband imaging of bright emission nebulae remains viable from Pueblo with appropriate Ha or OIII filters.

What can you observe from Pueblo?

Primary targets from Pueblo include Moon, planets, bright double stars, bright open clusters, narrowband imaging with careful processing. Targets such as visual deep-sky observing, broadband galaxies, reflection nebulae are not realistic from this sky.

Where are darker skies near Pueblo?

The closest meaningfully darker mapped site is Colorado Springs, Colorado, about 59 km north north west of Pueblo, reaching Bortle 5.

When is the sky darkest in Pueblo?

The sky over Pueblo is darkest around January, December.

Is light pollution in Pueblo getting better or worse?

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

• Colorado Springs, Colorado

  Direction

  NNW

  Distance (km)

  59.2

  SQM

  20.41

  Bortle

  5

• Yuma County, Colorado

  Direction

  NE

  Distance (km)

  268.8

  SQM

  21.65

  Bortle

  3

• Harding County, New Mexico

  Direction

  SSE

  Distance (km)

  255.3

  SQM

  21.46

  Bortle

  3