Charlottetown Stargazing & Astronomy Report

Light pollution and stargazing locations near Charlottetown

City
Charlottetown
Country
Canada
Latitude
46.2382
Longitude
-63.1311

Key Sky Quality Metrics

SQM (mag/arcsec²)
18.85
Bortle class
Class 8 (Class 8)
Darkness Quotient
31%
Dataset
April 2026

City sky

Charlottetown: The Practical Verdict

Charlottetown, the capital of Prince Edward Island, offers poor conditions for stargazing due to its high light pollution. With a measured sky brightness indicative of urban glow, the Milky Way is entirely obscured here.

Observation opportunities are primarily limited to brighter objects such as the Moon, planets, and prominent double stars. Narrowband imaging is feasible with caution, but visual observation of faint deep-sky targets such as galaxies or nebulae is highly challenging under these skies.

For significantly improved stargazing experiences, Martinvale, about 40 km east north-east, provides a vastly darker setting. This location, with Bortle 3 conditions, is well worth visiting if deeper astronomical pursuits such as visual galaxy hunting or Milky Way imaging are intended.

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
Martinvale, Prince Edward Island sits about 38 km east north east and reaches Bortle 3, roughly 11x darker.
Moderate dark window
Charlottetown'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 Charlottetown?

No. Charlottetown is a Bortle Class 8 sky with SQM 18.85, 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 Charlottetown?

Charlottetown is Bortle Class 8 (SQM 18.85), a poor city sky for astronomy.

Is Charlottetown good for stargazing?

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

Is Charlottetown good for astrophotography?

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

What can you observe from Charlottetown?

Primary targets from Charlottetown 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 Charlottetown?

The closest meaningfully darker mapped site is New Argyle, Prince Edward Island, about 15 km west south west of Charlottetown, reaching Bortle 4.

When is the sky darkest in Charlottetown?

The sky over Charlottetown is darkest around January, December.

Is light pollution in Charlottetown getting better or worse?

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

north - excellent

Dark sky to the north horizon. The Milky Way can be traced to the ground in this direction.

north-north-east - excellent

The north-north-east horizon is fully dark. Faint stars are visible to within a few degrees of the ground and the Milky Way reaches the horizon on clear nights.

north-east - excellent

The north-east horizon is fully dark. Faint stars are visible to within a few degrees of the ground and the Milky Way reaches the horizon on clear nights.

east-north-east - excellent

The east-north-east horizon is fully dark. Faint stars are visible to within a few degrees of the ground and the Milky Way reaches the horizon on clear nights.

east - excellent

Dark sky to the east horizon. The Milky Way can be traced to the ground in this direction.

east-south-east - excellent

Dark sky to the east-south-east horizon. The Milky Way can be traced to the ground in this direction.

south-east - excellent

The south-east horizon is dark to the unaided eye. Faint stars are visible at the lowest elevations.

south-south-east - excellent

No artificial glow on the south-south-east horizon. Faint deep-sky objects in this direction are accessible at low elevation.

south - excellent

Clean, fully dark horizon to the south. Star counts remain high right down to the ground.

south-south-west - excellent

The south-south-west horizon is fully dark. Faint stars are visible to within a few degrees of the ground and the Milky Way reaches the horizon on clear nights.

south-west - excellent

No artificial glow on the south-west horizon. Faint deep-sky objects in this direction are accessible at low elevation.

west-south-west - excellent

No artificial glow on the west-south-west horizon. Faint deep-sky objects in this direction are accessible at low elevation.

west - excellent

Clean, fully dark horizon to the west. Star counts remain high right down to the ground.

west-north-west - excellent

Dark sky to the west-north-west horizon. The Milky Way can be traced to the ground in this direction.

north-west - excellent

Dark sky to the north-west horizon. The Milky Way can be traced to the ground in this direction.

north-north-west - excellent

Dark sky to the north-north-west horizon. The Milky Way can be traced to the ground in this direction.

zenith - marginal

The zenith sky is clearly elevated above natural levels. Limiting magnitude is around 3.5.

  • New Argyle, Prince Edward Island
    Direction
    WSW
    Distance (km)
    14.6
    SQM
    21.15
    Bortle
    4
  • Afton Road, Prince Edward Island
    Direction
    NE
    Distance (km)
    21.3
    SQM
    21.30
    Bortle
    4
  • Martinvale, Prince Edward Island
    Direction
    ENE
    Distance (km)
    38.2
    SQM
    21.44
    Bortle
    3
  • Bellevue, Prince Edward Island
    Direction
    ESE
    Distance (km)
    34.6
    SQM
    21.19
    Bortle
    4
  • Grahams Road, Prince Edward Island
    Direction
    NW
    Distance (km)
    40.5
    SQM
    21.07
    Bortle
    4
  • Botsford Parish, New Brunswick
    Direction
    W
    Distance (km)
    59.3
    SQM
    21.33
    Bortle
    3