Providence Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

17.56

Bortle class

Class 9 (Class 9)

Darkness Quotient

19%

Dataset

July 2026

Inner city sky

Providence: The Practical Verdict

Providence, a major city in the United States, poses obstacles for stargazing due to extreme light pollution. The sky here is classified as a severe urban sky, rendering most celestial targets inaccessible.

From Providence, the Moon and bright planets will pierce the city’s light dome, providing some opportunities for telescopic study, while dimmer objects remain elusive. The Milky Way is completely obscured, and visual deep-sky observing is not possible. For those with narrowband filters, capturing the brightest nebulae is feasible but requires careful handling.

A notable improvement can be gained by travelling to a site approximately 115 km to the east, which offers a Bortle 4 sky. This option is worth considering for those wishing to perform serious deep-sky observation rather than staying within the city's bright confines.

At a Glance

Overall

Severe urban sky - This is a severely light-polluted urban sky. Only the Moon, planets, bright stars, and a few specialist targets remain practical.

Milky Way

Not visible - The Milky Way is not visible from this sky.

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

114 km E sits about 114 km east and reaches Bortle 4, roughly 28x darker.

Good dark window

Providence'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 Providence?

No. Providence is a Bortle Class 9 sky with SQM 17.56, 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 Providence?

Providence is Bortle Class 9 (SQM 17.56), a severe urban sky for astronomy.

Is Providence good for stargazing?

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

Is Providence good for astrophotography?

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

What can you observe from Providence?

Primary targets from Providence 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 Providence?

The closest meaningfully darker mapped site is 34 km SE, about 34 km south east of Providence, reaching Bortle 6.

When is the sky darkest in Providence?

The sky over Providence is darkest around January, December.

Is light pollution in Providence getting better or worse?

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

• 34 km SE

  Direction

  SE

  Distance (km)

  34

  SQM

  20.00

  Bortle

  6

• 48 km E

  Direction

  E

  Distance (km)

  47.7

  SQM

  20.03

  Bortle

  6

• 65 km SSW

  Direction

  SSW

  Distance (km)

  65

  SQM

  20.64

  Bortle

  5

• 78 km ESE

  Direction

  ESE

  Distance (km)

  77.5

  SQM

  21.00

  Bortle

  4

• 76 km WSW

  Direction

  WSW

  Distance (km)

  76.1

  SQM

  20.38

  Bortle

  5

• 114 km E

  Direction

  E

  Distance (km)

  113.7

  SQM

  21.17

  Bortle

  4