McKinney Stargazing & Astronomy Report

Key Sky Quality Metrics

SQM (mag/arcsec²)

17.56

Bortle class

Class 9 (Class 9)

Darkness Quotient

19%

Dataset

April 2026

Inner city sky

McKinney: The Practical Verdict

McKinney, a small city in suburban Texas, sits under skies heavily impacted by extreme light pollution. Astronomy here faces severe limitations, with faint targets largely invisible and even nearby light sources significantly affecting contrast.

From McKinney, the brightest targets such as the Moon, planets, and double stars are visible, along with solar system events. However, any attempt at visual deep-sky observation or Milky Way photography is unfeasible, as the overarching glow overwhelms subtler details. Narrowband imaging may be possible but might be severely affected by background gradients.

The closest notable improvement can be found at County Road 1695, about 105 km east-south-east. Offering a somewhat darker sky, it provides modest but meaningful upgrades, especially for mid-tier targets like open clusters. Still, dramatic improvements would require travelling considerably farther.

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

Limited nearby upgrade

County Road 1695, Texas is the strongest nearby option but remains Bortle 5; the improvement is real but modest.

Good dark window

McKinney'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 McKinney?

No. McKinney 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 McKinney?

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

Is McKinney good for stargazing?

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

Is McKinney good for astrophotography?

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

What can you observe from McKinney?

Primary targets from McKinney 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 McKinney?

The closest meaningfully darker mapped site is Eagle Cove Circle, Texas, about 42 km north west of McKinney, reaching Bortle 7.

When is the sky darkest in McKinney?

The sky over McKinney is darkest around January, December.

Is light pollution in McKinney getting better or worse?

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

• Soil Conservation Service Site 25 Reservoir, Texas

  Direction

  NNE

  Distance (km)

  52.1

  SQM

  20.20

  Bortle

  6

• Eagle Cove Circle, Texas

  Direction

  NW

  Distance (km)

  42.2

  SQM

  19.38

  Bortle

  7

• Delaware Bend Road, Texas

  Direction

  SW

  Distance (km)

  85.5

  SQM

  20.39

  Bortle

  5

• County Road 1695, Texas

  Direction

  ESE

  Distance (km)

  103.4

  SQM

  20.51

  Bortle

  5

• Johnston County, Oklahoma

  Direction

  ENE

  Distance (km)

  132.6

  SQM

  20.75

  Bortle

  5