Cedar Rapids Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

18.03

Bortle class

Class 8 (Class 8)

Darkness Quotient

23%

Dataset

April 2026

City sky

Cedar Rapids: The Practical Verdict

Cedar Rapids, a mid-size city in Iowa, experiences high light pollution levels that heavily limit its suitability for stargazing. The measured sky conditions are poor, with the Milky Way entirely obscured and deep-sky observations impractical for most visual instruments. This is not a favourable site for astronomy beyond casual observations of the brightest celestial objects.

Within the city, the only feasible targets are the Moon, planets, and brighter stars or double stars. Narrowband imaging may achieve limited success, but broadband targets will be severely compromised by the urban light dome. Observers should avoid attempts at visual deep-sky pursuits or meteor shower watching here.

For those willing to travel, the site at 355th Street, Iowa, about 85 km north-north-east, offers substantially better conditions with dark skies suitable for deep-sky observation and astrophotography. This upgrade is worth considering for more serious astronomy pursuits.

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

355th Street, Iowa sits about 84 km north north east and reaches Bortle 4, roughly 16x darker.

Good dark window

Cedar Rapids'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 Cedar Rapids?

No. Cedar Rapids is a Bortle Class 8 sky with SQM 18.03, 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 Cedar Rapids?

Cedar Rapids is Bortle Class 8 (SQM 18.03), a poor city sky for astronomy.

Is Cedar Rapids good for stargazing?

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

Is Cedar Rapids good for astrophotography?

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

What can you observe from Cedar Rapids?

Primary targets from Cedar Rapids 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 Cedar Rapids?

The closest meaningfully darker mapped site is 2061, Iowa, about 61 km east south east of Cedar Rapids, reaching Bortle 5.

When is the sky darkest in Cedar Rapids?

The sky over Cedar Rapids is darkest around January, December.

Is light pollution in Cedar Rapids getting better or worse?

There is not yet enough long-term data to give a confident trend for Cedar Rapids.

• 2061, Iowa

  Direction

  ESE

  Distance (km)

  60.9

  SQM

  20.80

  Bortle

  5

• 355th Street, Iowa

  Direction

  NNE

  Distance (km)

  84.1

  SQM

  21.03

  Bortle

  4

• Round Grove, Illinois

  Direction

  E

  Distance (km)

  149.9

  SQM

  20.83

  Bortle

  4

• Town of Wayne, Wisconsin

  Direction

  ENE

  Distance (km)

  156.4

  SQM

  20.58

  Bortle

  5

• Newburg Township, Iowa

  Direction

  NNW

  Distance (km)

  187

  SQM

  20.85

  Bortle

  4