Burlington Stargazing & Astronomy Report

Light pollution and stargazing locations near Burlington

City
Burlington
Country
Canada
Latitude
43.3255
Longitude
-79.7990

Key Sky Quality Metrics

SQM (mag/arcsec²)
18.30
Bortle class
Class 8 (Class 8)
Darkness Quotient
26%
Dataset
March 2026

City sky

Stargazing in Burlington

Burlington is a lakeside city in southern Ontario, part of the wider Greater Toronto and Hamilton urban region, with a character shaped by the waterfront, suburban neighbourhoods and its position between major population centres.

The city generally experiences High Light Pollution, with a Darkness Quotient of 26% — placing it among the brighter urban skies in southern Canada, though not quite at the very extreme end seen in the biggest downtown cores.

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

Really worthwhile darker skies require a proper journey from Burlington rather than a quick hop out of town. The nearest reasonable step up is about 150 kilometres to the south, near Wayne Township, Pennsylvania, while markedly darker skies lie farther away to the south-west near French River, Ontario.

The map shows Burlington embedded in a broad, continuous zone of strong urban brightness, with the city sitting inside the larger pink-white and red glow that runs along the lakeshore. That pattern points to a sky heavily affected not just by Burlington itself, but by neighbouring built-up areas blending together into one extended light dome.

Away from the urban core, the colours shift through yellow and green into blue, showing that conditions do improve once you move clear of the densest development. The cleaner-looking regions are more apparent inland and in some of the more open areas away from the lakeside strip, whereas the brightest concentrations remain tied to the major built-up corridor.

Overall, Burlington appears brighter than much of its immediate wider surroundings, but it is also part of a regional patchwork of illuminated centres rather than a single isolated light source. That means local improvement is possible, yet truly dark sky on the map is confined to much farther out where the glow finally breaks up.

What the overhead sky is like

Looking straight up from Burlington, the sky is bright by astronomical standards, with the zenith in Bortle 8 territory. That usually means the background never becomes truly black, and the brighter constellations stand out far better than the fainter star fields between them.

You can still pick out familiar seasonal patterns and the brighter stars without much trouble, but weaker members of constellations tend to fade away, making shapes look simpler than they do from darker countryside. The Milky Way is generally lost overhead, and the overall impression is of a sky dominated by urban glow rather than rich star density.

For casual observing this is still enough for the Moon, planets and a handful of brighter showpieces. For deep-sky work, though, the zenith itself tells the story: even the darkest part of the city sky remains heavily light-polluted.

north - poor

Fifteen kilometres north of Burlington, the sky is still poor for serious deep-sky observing, sitting around Bortle 7. It does improve further out, but genuinely dark conditions are not reached until roughly 200 kilometres in that direction.

north-north-east - poor

To the north-north-east, a quick drive still leaves you under poor skies, with the 15 kilometre sample at Bortle 8. The real improvement comes much farther out, with genuinely dark sky only appearing at around 200 kilometres.

north-east - poor

North-east from the city remains poor at 15 kilometres, where the sky is around Bortle 7. Conditions fluctuate before improving properly, and genuinely dark sky is only reached at roughly 200 kilometres.

east-north-east - marginal

East-north-east is a little more promising than many directions, with the sky around Bortle 6 at 15 kilometres. It continues to improve with distance, reaching good rural conditions farther out, but genuinely dark sky is not reached within the sampled range.

east - marginal

Looking east, a short drive gives marginal conditions at about Bortle 6. There is some further improvement with distance, but genuinely dark sky is not found within the sampled radius in this direction.

east-south-east - marginal

East-south-east offers marginal sky quality at 15 kilometres, again around Bortle 6. The route is uneven, but much darker conditions do eventually appear at roughly 200 kilometres.

south-east - poor

South-east of Burlington, the sky is still poor at 15 kilometres, sitting around Bortle 7. It gets better farther out, with genuinely dark conditions only showing up at about 200 kilometres.

south-south-east - poor

At 15 kilometres to the south-south-east the sky remains poor, around Bortle 7. A worthwhile improvement comes later, but genuinely dark sky does not arrive until roughly 200 kilometres out.

south - poor

South is one of the more rewarding directions in the longer run, but a quick drive still leaves you under poor skies at 15 kilometres, around Bortle 8. The improvement becomes meaningful farther out, with genuinely dark conditions reached at about 100 kilometres.

south-south-west - poor

South-south-west is poor at the 15 kilometre mark, with the sky around Bortle 8. It improves steadily beyond that, and genuinely dark sky is reached at roughly 100 kilometres.

south-west - poor

South-west also remains poor after 15 kilometres, at about Bortle 8. Conditions do improve farther out, with genuinely dark sky reached at around 100 kilometres.

west-south-west - poor

West-south-west is still poor at 15 kilometres, around Bortle 7. There is a worthwhile improvement farther out to good rural sky, but genuinely dark conditions are not reached within the sampled radius in this direction.

west - marginal

West of Burlington, the 15 kilometre sample is marginal at about Bortle 6. The sky continues to improve beyond that, with genuinely dark conditions arriving only at roughly 200 kilometres.

west-north-west - marginal

West-north-west gives marginal conditions at 15 kilometres, around Bortle 6. It becomes notably better farther out, and genuinely dark sky appears at roughly 200 kilometres.

north-west - marginal

North-west is marginal at the 15 kilometre mark, with the sky around Bortle 6. Better rural sky appears farther on, while genuinely dark conditions are only reached at about 200 kilometres.

north-north-west - poor

North-north-west remains poor after 15 kilometres, at around Bortle 7. There is a clear improvement farther out, but genuinely dark sky does not arrive until roughly 200 kilometres away.

zenith - poor

Looking straight up from Burlington, the zenith is poor, with a Bortle 8 sky and an SQM reading of 18.3. The brighter constellations are still recognisable, but faint stars drop away quickly, the background looks washed out, and the Milky Way is generally not visible from the city centre.

  • Near French River, Ontario
    Direction
    SW
    Distance (km)
    314.6
    SQM
    21.33
    Bortle
    3

    Milky Way visible, broadband DSO imaging

  • Near Wayne Township, Pennsylvania
    Direction
    S
    Distance (km)
    151.2
    SQM
    21.13
    Bortle
    4

    Bright nebulae, galaxies, narrowband imaging

  • Near Ontario
    Direction
    SW
    Distance (km)
    170.9
    SQM
    21.11
    Bortle
    4

    Bright nebulae, galaxies, narrowband imaging

Genuinely dark skies require a significant journey from Burlington rather than a short evening drive.

The nearest reasonable dark-sky option is about 150 kilometres to the south at Near Wayne Township, Pennsylvania, where conditions reach Bortle 4. For a more substantial step into darker country, the best listed option is around 315 kilometres to the south-west near French River, Ontario, where skies improve to Bortle 3.

  • Within 200 km
    Place
    Near Wayne Township, Pennsylvania
    Direction
    S
    Distance (km)
    151.2
    SQM
    21.13
    Bortle
    4
  • Within 500 km
    Place
    Near French River, Ontario
    Direction
    SW
    Distance (km)
    314.6
    SQM
    21.33
    Bortle
    3

Long-term sky trend

Burlington's long-term trend is fairly stable, with only a slight overall darkening in the measurements across the time series. The earliest reading was 18.14 SQM in 2012, compared with 18.3 SQM in the latest data, which suggests no dramatic shift in either direction.

The fitted trend is small at about 0.0054 SQM per year, so in practical observing terms the city sky has changed very gradually. Night-to-night and dataset-to-dataset variation is still present, with values across the full record ranging from 17.59 to 21.52 SQM.

That wide spread does not mean Burlington suddenly became a dark-sky site at times; rather, it reflects changing measurement conditions and sampling across the archive. For local observers, the main takeaway is that Burlington remains a bright urban location with only modest long-term movement.

From Burlington itself, the city-friendly targets are the obvious ones: the Moon, planets, double stars and a small selection of bright clusters. These are the objects least affected by the bright background sky and usually give the most satisfying results from urban gardens, parks or balconies.

A few brighter deep-sky showpieces can still be tried with realistic expectations, especially larger nebulae and the most prominent globular clusters. Even so, contrast is the limiting factor, so they tend to appear much less dramatic than they do in darker country skies.

For anything faint or expansive — especially the Milky Way, dim galaxies, subtle nebulae and meteor activity — a darker site makes a major difference. Burlington is much better suited to bright-object observing than to serious deep-sky hunting.

  • 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 Burlington?

Yes — you can still see plenty of the brighter stars and the main constellation patterns from Burlington. What you lose first are the fainter stars, so the sky looks much less crowded than it would from the countryside.

Can you see the Milky Way from Burlington?

In most cases, no. With Burlington at Bortle 8 and an SQM around 18.3, the Milky Way is generally washed out by the city's skyglow.

What Bortle class is Burlington?

Burlington is Bortle Class 8, which is a bright city sky. That means urban lighting has a strong effect on what is visible, especially for deep-sky observing.

What is the SQM in Burlington?

The measured sky brightness for Burlington is 18.3 SQM. In plain terms, that is a bright urban sky rather than a dark rural one.

Where are the nearest darker skies?

The nearest reasonable darker site in the supplied data is Near Wayne Township, Pennsylvania, about 150 kilometres to the south, where conditions reach Bortle 4. A darker option still is Near French River, Ontario, roughly 315 kilometres to the south-west, reaching Bortle 3.

Is Burlington good for astrophotography?

It can be good for lunar, planetary and narrow-field work on brighter targets, but it is challenging for wide-field deep-sky astrophotography. The bright background sky means long exposures on faint nebulae and galaxies are much better attempted from a darker location.

How far do you need to drive from Burlington for dark skies?

For a reasonable dark-sky improvement, you are looking at about 150 kilometres to reach Bortle 4 conditions near Wayne Township, Pennsylvania. For a more obviously dark sky, the listed Bortle 3 option near French River, Ontario is about 315 kilometres away.