Moncton Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

18.51

Bortle class

Class 8 (Class 8)

Darkness Quotient

28%

Dataset

August 2026

City sky

Moncton: The Practical Verdict

Moncton, located in New Brunswick, Canada, is characterised as a small city with a suburban setting. The sky quality here is categorised as having high light pollution, making it a poor city sky for stargazing. The primary limitation is the extensive light pollution that erases the Milky Way and most deep-sky objects from view.

From Moncton, the most feasible observations focus on the Moon, planets, bright stars, and double stars. While some narrowband imaging on the brightest targets is possible, visual deep-sky observing and capturing dim nebulae or galaxies are out of the question due to the urban sky background.

For darker skies, the best upgrade path is to head towards Cascumpec, Prince Edward Island, approximately 85 km to the north-east. This location offers a significantly darker sky rated at Bortle 3, making it worthwhile for serious 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

Cascumpec, Prince Edward Island sits about 86 km north east and reaches Bortle 3, roughly 19x darker.

Moderate dark window

Moncton'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 Moncton?

No. Moncton is a Bortle Class 8 sky with SQM 18.51, 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 Moncton?

Moncton is Bortle Class 8 (SQM 18.51), a poor city sky for astronomy.

Is Moncton good for stargazing?

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

Is Moncton good for astrophotography?

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

What can you observe from Moncton?

Primary targets from Moncton 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 Moncton?

The closest meaningfully darker mapped site is Elgin Parish, New Brunswick, about 40 km south south west of Moncton, reaching Bortle 3.

When is the sky darkest in Moncton?

The sky over Moncton is darkest around January, December.

Is light pollution in Moncton getting better or worse?

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

• Elgin Parish, New Brunswick

  Direction

  SSW

  Distance (km)

  40

  SQM

  21.40

  Bortle

  3

• New Horton, New Brunswick

  Direction

  S

  Distance (km)

  49.3

  SQM

  21.46

  Bortle

  3

• Halfway River, Nova Scotia

  Direction

  SSE

  Distance (km)

  71.3

  SQM

  21.50

  Bortle

  3

• Cascumpec, Prince Edward Island

  Direction

  NE

  Distance (km)

  85.5

  SQM

  21.68

  Bortle

  3

• North Milton, Prince Edward Island

  Direction

  ENE

  Distance (km)

  122.3

  SQM

  21.42

  Bortle

  3

• Napan Bay, New Brunswick

  Direction

  NW

  Distance (km)

  119.4

  SQM

  21.24

  Bortle

  4