Kingston Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

18.75

Bortle class

Class 8 (Class 8)

Darkness Quotient

30%

Dataset

May 2026

City sky

Kingston: The Practical Verdict

Kingston is a small city in Ontario with a suburban setting that presents high light pollution challenges for astronomy. The overall sky quality is poor, heavily restricting observational opportunities. The brightest urban sky background completely erases the Milky Way.

In terms of actual stargazing, you're primarily limited to viewing the Moon, planets, bright stars, and double stars. Solar system events remain accessible, but visual deep-sky observations are not practical here. Any attempts at observing nebulae or galaxies suffer greatly due to the significant light pollution.

For a more rewarding stargazing experience, consider heading about 70 km south-south-west, where a dark sky site offers much better conditions under Bortle class 3 skies. This nearby site is well worth the drive for more serious astronomical activities.

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

68 km SSW sits about 68 km south south west and reaches Bortle 3, roughly 12x darker.

Good dark window

Kingston'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 Kingston?

No. Kingston is a Bortle Class 8 sky with SQM 18.75, 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 Kingston?

Kingston is Bortle Class 8 (SQM 18.75), a poor city sky for astronomy.

Is Kingston good for stargazing?

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

Is Kingston good for astrophotography?

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

What can you observe from Kingston?

Primary targets from Kingston 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 Kingston?

The closest meaningfully darker mapped site is 68 km SSW, about 68 km south south west of Kingston, reaching Bortle 3.

When is the sky darkest in Kingston?

The sky over Kingston is darkest around January, December.

Is light pollution in Kingston getting better or worse?

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

• 68 km SSW

  Direction

  SSW

  Distance (km)

  67.5

  SQM

  21.44

  Bortle

  3

• Prince Edward County, Ontario

  Direction

  W

  Distance (km)

  79.7

  SQM

  20.56

  Bortle

  5

• Roebuck, Ontario

  Direction

  NE

  Distance (km)

  93.1

  SQM

  20.84

  Bortle

  4

• Central Ontario, Ontario

  Direction

  SW

  Distance (km)

  111.8

  SQM

  21.09

  Bortle

  4

• Morley, New York

  Direction

  ENE

  Distance (km)

  114.1

  SQM

  20.86

  Bortle

  4

• Vernon Center, New York

  Direction

  SSE

  Distance (km)

  154.8

  SQM

  21.05

  Bortle

  4