Fredericton Stargazing & Astronomy Report

Light pollution and stargazing locations near Fredericton

City
Fredericton
Country
Canada
Latitude
45.9636
Longitude
-66.6431

Key Sky Quality Metrics

SQM (mag/arcsec²)
18.75
Bortle class
Class 8 (Class 8)
Darkness Quotient
30%
Dataset
March 2026

City sky

Stargazing in Fredericton

Fredericton is a small provincial capital in New Brunswick, set along the Saint John River in Atlantic Canada and known for its relaxed, leafy character.

The city generally experiences High Light Pollution, with a Darkness Quotient of 30% — making it brighter than many rural parts of the province, though still less overwhelming than the very largest North American metropolitan areas.

In practical terms, the most realistic targets from within the city are the Moon, planets, double stars and the brightest open clusters. A few showpiece deep-sky objects can be attempted with patience, but faint galaxies, nebulae and the Milky Way are largely washed out by the urban glow.

The encouraging news is that much darker skies are not especially far away. A strong improvement appears roughly 55 kilometres to the south near Near Clarendon Parish, New Brunswick, while excellent dark-sky conditions are also available about 85 kilometres east near Near Studholm Parish, New Brunswick.

The map shows Fredericton as a distinct bright core surrounded by a broader halo of lighter grey and blue, which is exactly what you would expect from a compact urban area sending light out into the surrounding countryside.

Away from the centre, the brightness breaks up quite quickly into smaller scattered pockets rather than one continuous mass of glare. That suggests the city is locally dominant, but not embedded in a huge uninterrupted corridor of light pollution.

The darkest regions on the crop appear in the broad black and very dark grey areas between the brighter settlements, especially away from the main clusters of yellow, red and pink glow. In other words, Fredericton stands out clearly against its surroundings, but the wider region still offers several promising escape routes into significantly darker sky.

What the sky overhead is like

Looking straight up from Fredericton, the zenith sits in Bortle 8 territory, so the sky overhead is distinctly urban rather than naturally dark. The background never becomes fully black, and contrast on faint objects is heavily reduced.

The brighter constellations still come through, along with the Moon and planets, but the subtler star fields that give the sky depth are thinned out. Familiar patterns remain easy enough to trace, yet the overall impression is of a washed, light-filled dome rather than a richly star-packed sky.

For binocular or telescope users, this means bright, high-contrast targets are the sensible choice from within the city, while deep-sky observing improves dramatically once you get beyond the urban glow.

north - good

About 15 kilometres north of Fredericton, the sky is already in the good range, around Bortle 4, which is a clear improvement over the city centre. Genuinely dark conditions arrive not much farther on, with Bortle 3 reached at roughly 25 kilometres in this direction.

north-north-east - good

At around 15 kilometres to the north-north-east, conditions are good, with a Bortle 4 sky that should support much better contrast on brighter deep-sky objects. Darker Bortle 3 skies are reached at roughly 25 kilometres, so this is one of the more promising directions.

north-east - good

Roughly 15 kilometres north-east of the city, the sky reaches a good Bortle 4 level. A further modest push brings genuinely dark conditions at about 25 kilometres, with even darker skies farther out.

east-north-east - good

The east-north-east side improves nicely, reaching good Bortle 4 conditions at around 15 kilometres from Fredericton. Darker Bortle 3 sky follows at roughly 25 kilometres, making this a strong direction for leaving the city glow behind.

east - good

Around 15 kilometres east, the sky is good at about Bortle 4, offering a noticeable step up from urban observing. Genuinely dark conditions arrive at roughly 25 kilometres, and the east is also home to some of the best named nearby sites.

east-south-east - good

At about 15 kilometres east-south-east, the sky is already good, sitting around Bortle 4. The darker step-change takes a bit longer here than in some directions, with excellent dark sky reached at roughly 50 kilometres.

south-east - fair

Fifteen kilometres to the south-east, conditions are fair rather than truly dark, at about Bortle 5. The sky improves to good levels farther out, and Bortle 3 darkness appears at roughly 50 kilometres.

south-south-east - fair

To the south-south-east, the sky at around 15 kilometres remains fair at roughly Bortle 5, so there is some lingering urban influence. A more convincing dark-sky improvement comes farther on, with Bortle 3 reached at about 50 kilometres.

south - good

The southern horizon improves quite well, reaching good Bortle 4 conditions at around 15 kilometres. Genuinely dark sky follows by roughly 25 kilometres, with even stronger darkness beyond that.

south-south-west - good

At around 15 kilometres south-south-west, the sky is in the good range at about Bortle 4. Darker Bortle 3 conditions arrive at roughly 25 kilometres, so this is another useful escape route from the city glow.

south-west - fair

Around 15 kilometres south-west of Fredericton, conditions are fair at about Bortle 5, so the sky is improved but still somewhat bright. A more substantial jump to dark Bortle 3 sky comes at roughly 25 kilometres.

west-south-west - good

At roughly 15 kilometres west-south-west, the sky reaches good Bortle 4 quality. Properly dark conditions appear at about 25 kilometres, with very strong skies farther out in this direction as well.

west - fair

About 15 kilometres west of the city, the sky is fair at around Bortle 5, better than the centre but still affected by light pollution. Bortle 3 darkness arrives at roughly 25 kilometres, so the improvement becomes much more noticeable a little farther out.

west-north-west - good

The west-north-west corridor reaches good Bortle 4 quality by around 15 kilometres from Fredericton. Genuinely dark Bortle 3 conditions follow at roughly 25 kilometres, making this a practical direction for a short observing drive.

north-west - good

About 15 kilometres north-west, the sky is good at roughly Bortle 4, with much better contrast than in the city. Dark Bortle 3 conditions are reached at around 25 kilometres, and the sky continues to improve beyond that.

north-north-west - good

To the north-north-west, the sky reaches good Bortle 4 quality at around 15 kilometres. Properly dark conditions arrive by roughly 25 kilometres, with excellent skies farther out.

zenith - poor

Looking straight up from central Fredericton, the zenith is poor for dark-sky observing, at Bortle 8. You can still pick out the brighter constellations and stars, but the background sky is bright and many fainter stars disappear, leaving familiar patterns looking thinner and less vivid.

  • Near Northesk Parish, New Brunswick
    Direction
    E
    Distance (km)
    149
    SQM
    21.62
    Bortle
    3

    Milky Way visible, broadband DSO imaging

  • Near Studholm Parish, New Brunswick
    Direction
    E
    Distance (km)
    83.2
    SQM
    21.51
    Bortle
    3

    Milky Way visible, broadband DSO imaging

  • Near Clarendon Parish, New Brunswick
    Direction
    S
    Distance (km)
    56.8
    SQM
    21.45
    Bortle
    3

    Milky Way visible, broadband DSO imaging

Fredericton is relatively well placed for a dark-sky escape, and genuinely dark conditions do not require an exceptionally long journey.

The nearest strong step up is about 55 kilometres to the south at Near Clarendon Parish, New Brunswick, where the sky reaches Bortle 3 territory. Excellent alternatives also lie to the east, including Near Studholm Parish, New Brunswick at about 85 kilometres, so observers have more than one useful direction for a darker outing.

Even before you reach those best sites, several directions improve noticeably within a short drive, which is encouraging for casual weeknight observing.

  • Within 100 km
    Place
    Near Studholm Parish, New Brunswick
    Direction
    E
    Distance (km)
    83.2
    SQM
    21.51
    Bortle
    3
  • Within 200 km
    Place
    Near Northesk Parish, New Brunswick
    Direction
    E
    Distance (km)
    149
    SQM
    21.62
    Bortle
    3

Long-term sky trend

Fredericton's long-term light-pollution trend looks fairly steady overall. The earliest reading in the series was 18.60 SQM, while the latest is 18.75 SQM, so the city has changed only modestly across the full span of observations.

The average across all 75 datasets is 18.97 SQM, with values ranging from 18.18 to 19.44 depending on conditions and measurement period. The underlying trend slope is very slightly negative at -0.0037 SQM per year, which points to a broadly stable sky brightness record rather than a dramatic long-term shift.

In plain terms, Fredericton remains a bright urban observing location, but the data does not suggest a rapid deterioration over time.

From within Fredericton, the best targets are bright, compact objects that can stand up to a luminous background sky. The Moon, planets and double stars are the obvious strengths, and the brightest open clusters can still be rewarding.

A few showcase deep-sky objects remain possible with compromise, especially if they are bright and well placed in the sky. Even so, low-contrast targets quickly become frustrating from the city.

For the Milky Way, faint galaxies, more delicate nebulae and the full impact of meteor showers, a darker site outside Fredericton makes a dramatic difference.

  • Moon
  • planets
  • double stars
  • brightest open clusters
  • bright nebulae such as M42
  • the brightest globular clusters
  • Milky Way
  • faint galaxies
  • broadband nebulae
  • meteor showers

Can you see stars from Fredericton?

Yes — you can still see stars from Fredericton, including the brighter constellations and prominent seasonal patterns. However, with the city at Bortle 8 and around 18.75 SQM, the fainter background stars are heavily suppressed by light pollution.

Can you see the Milky Way from Fredericton?

From within the city, the Milky Way is generally not a realistic sight. Fredericton's urban sky is simply too bright for that broad, low-contrast glow to stand out well.

What Bortle class is Fredericton?

Fredericton is rated Bortle Class 8, which is a strongly light-polluted city sky. In practical terms, that means bright objects do well, while faint deep-sky observing is very limited from the city itself.

What is the SQM in Fredericton?

The measured sky brightness for Fredericton is 18.75 SQM. That is firmly in urban territory, brighter than rural skies by a substantial margin.

Where are the nearest dark skies to Fredericton?

The nearest listed dark-sky site is Near Clarendon Parish, New Brunswick, about 56.8 kilometres to the south, where conditions reach Bortle 3. Another excellent option is Near Studholm Parish, New Brunswick, about 83.2 kilometres to the east.

Is Fredericton good for astrophotography?

It can be good for lunar, planetary and narrow-field astrophotography of bright targets, especially if you work carefully with filters and processing. For Milky Way photography and faint deep-sky imaging, you will get much better results by heading out to one of the darker sites beyond the city glow.

How far do you need to drive from Fredericton for darker skies?

A worthwhile improvement begins within roughly 15 to 25 kilometres in many directions, where skies reach a good level for general observing. For a clearly dark-sky experience, the nearest named option is about 55 kilometres away near Near Clarendon Parish, New Brunswick.