Kingston Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

18.85

Bortle class

Class 8 (Class 8)

Darkness Quotient

31%

Dataset

August 2026

City sky

Kingston: The Practical Verdict

Kingston, a small city in Ontario, Canada, is highly light-polluted. Stargazing conditions here are poor, with the bright urban sky overwhelming faint celestial objects. The primary challenge is the city's light pollution, severely limiting visibility for most deep-sky observing.

From here, the Milky Way is not visible, leaving only the brightest objects such as the Moon, planets, and double stars easily observable. Narrowband imaging is possible but requires careful technique. Faint nebulae, reflection nebulae, and most broadband galaxies are best avoided due to the sky brightness.

For those seeking darker skies, Southwest Oswego in New York, positioned to the south of Kingston, offers a significantly better opportunity for deep-sky observation and lies around a two-hour drive away. It's a recommended upgrade for more serious stargazing 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

Southwest Oswego, New York sits about 95 km south and reaches Bortle 4, roughly 9.3x 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 18.85, 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 Kingston?

Kingston is Bortle Class 8 (SQM 18.85), 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 Greater Napanee, Ontario, about 31 km west of Kingston, reaching Bortle 5.

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.

• Greater Napanee, Ontario

  Direction

  W

  Distance (km)

  31.4

  SQM

  20.46

  Bortle

  5

• Elgin, Ontario

  Direction

  NNE

  Distance (km)

  46.6

  SQM

  20.48

  Bortle

  5

• Southwest Oswego, New York

  Direction

  S

  Distance (km)

  94.7

  SQM

  21.27

  Bortle

  4

• Town of Lisbon, New York

  Direction

  NE

  Distance (km)

  114.3

  SQM

  20.65

  Bortle

  5

• Monroe County, New York

  Direction

  WSW

  Distance (km)

  133

  SQM

  20.86

  Bortle

  4

• Farmers Mills, New York

  Direction

  SSE

  Distance (km)

  162.7

  SQM

  20.99

  Bortle

  4