McAllen Stargazing & Astronomy Report
Light pollution and stargazing locations near McAllen
- City
- McAllen
- Country
- United States
- Latitude
- 26.2034
- Longitude
- -98.2300
Key Sky Quality Metrics
- SQM (mag/arcsec²)
- 17.48
- Bortle class
- Class 9 (Class 9)
- Darkness Quotient
- 19%
- Dataset
- August 2026
Inner city sky
McAllen: The Practical Verdict
McAllen is a small city in the United States, situated in an area experiencing extreme light pollution. For stargazing, urban glare severely undermines the quality of the night sky, making it difficult to discern anything beyond the brightest celestial bodies.
Due to the severe sky conditions, the Milky Way is not visible at all. Observers will primarily find the Moon, planets, bright stars, and double stars as viable targets. More ambitious undertakings, such as broadband galaxy hunting or attempting to capture dim nebulae, are best avoided due to poor visibility.
For those seeking better conditions, options are limited but attainable. The nearest upgrade seems to be about 95 km north-north-east, offering an improvement but not a dramatic change.
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
- 93 km NNE is the strongest nearby option but remains Bortle 5; the improvement is real but modest.
- Good dark window
- McAllen'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 McAllen?
No. McAllen is a Bortle Class 9 sky with SQM 17.48, 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 McAllen?
McAllen is Bortle Class 9 (SQM 17.48), a severe urban sky for astronomy.
Is McAllen good for stargazing?
Not for serious deep-sky observing. McAllen is a severe urban sky where the Moon, planets, and a handful of bright targets are the realistic options from the city itself.
Is McAllen good for astrophotography?
Broadband deep-sky imaging is heavily compromised from McAllen and a Bortle 4 or darker site is strongly recommended. Even narrowband imaging is difficult from McAllen without careful processing.
What can you observe from McAllen?
Primary targets from McAllen 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 McAllen?
The closest meaningfully darker mapped site is 72 km NE, about 72 km north east of McAllen, reaching Bortle 5.
When is the sky darkest in McAllen?
The sky over McAllen is darkest around January, December.
Is light pollution in McAllen getting better or worse?
Long-term light pollution over McAllen has been broadly stable across the available measurements.
north - marginal
Soft skyglow visible on the north horizon. Mid-brightness stars survive at low elevation; the faintest do not.
north-north-east - marginal
The north-north-east sky shows a clear glow near the ground. Above about 20 degrees the sky returns to workable.
north-east - marginal
A diffuse glow sits on the north-east horizon. Faint objects below 20 degrees in this direction are compromised.
east-north-east - marginal
A diffuse glow sits on the east-north-east horizon. Faint objects below 20 degrees in this direction are compromised.
east - marginal
Soft skyglow visible on the east horizon. Mid-brightness stars survive at low elevation; the faintest do not.
east-south-east - marginal
Noticeable glow on the east-south-east horizon. Stars below about 20 degrees in this direction are dimmed.
south-east - fair
Faint glow on the south-east horizon. Most stars are visible to low elevation; only the faintest near the ground are affected.
south-south-east - marginal
A diffuse glow sits on the south-south-east horizon. Faint objects below 20 degrees in this direction are compromised.
south - marginal
A diffuse glow sits on the south horizon. Faint objects below 20 degrees in this direction are compromised.
south-south-west - poor
The lower south-south-west sky is heavily light-polluted. Only the brightest stars stand out near the horizon.
south-west - marginal
Soft skyglow visible on the south-west horizon. Mid-brightness stars survive at low elevation; the faintest do not.
west-south-west - fair
A trace of skyglow near the west-south-west horizon. Stars are clear throughout this direction except very close to the ground.
west - marginal
A diffuse glow sits on the west horizon. Faint objects below 20 degrees in this direction are compromised.
west-north-west - marginal
The west-north-west sky shows a clear glow near the ground. Above about 20 degrees the sky returns to workable.
north-west - marginal
The north-west sky shows a clear glow near the ground. Above about 20 degrees the sky returns to workable.
north-north-west - fair
Light glow detectable on the north-north-west horizon. The effect fades quickly with elevation and does not affect overhead work.
zenith - poor
The overhead sky is conspicuously pale. Stars brighter than magnitude 3 are visible; fainter ones are lost.
-
72 km NE
- Direction
- NE
- Distance (km)
- 72.2
- SQM
- 20.55
- Bortle
- 5
-
93 km NNE
- Direction
- NNE
- Distance (km)
- 93.3
- SQM
- 20.67
- Bortle
- 5
-
99 km SE
- Direction
- SE
- Distance (km)
- 98.9
- SQM
- 20.36
- Bortle
- 5
-
101 km SSE
- Direction
- SSE
- Distance (km)
- 101.2
- SQM
- 20.41
- Bortle
- 5
-
169 km NW
- Direction
- NW
- Distance (km)
- 169
- SQM
- 20.39
- Bortle
- 5
-
182 km SW
- Direction
- SW
- Distance (km)
- 182.1
- SQM
- 20.55
- Bortle
- 5