Sweetwater.

The definitive guide to dark skies and celestial observation in Sweetwater, TX. Verified using National Park Service and NASA Night Sky Network Clubs data.

Bortle Scale
1
Best Regional Reading
Sky Quality
21.96
SQM Zenith Value
Verified Sites
5
Community Vetted
Dark Sky Parks
2
IDA Certified Nearby

Quick Guide for Sweetwater

  • Top Community Pick: San Angelo State Park (~69.4 miles)
  • Best Scientific Reading: Bortle 3 at Little Rock
  • Local Experts: San Angelo Astronomy Association
  • Verified Observations: 5 distinct spots

If you’re looking to escape the light pollution of Sweetwater, you’re in luck. While enthusiasts often gather at San Angelo State Park for its accessibility, scientific audits conducted by the National Park Service at Little Rock provide the most accurate reading of the regional sky quality, measuring at a Bortle 3. Atmospheric stability in the Sweetwater region is often influenced by local topography, which can help settle the air for high-magnification viewing.

The Best Times for Stargazing in Sweetwater

For the best results in Sweetwater, aim for a ‘New Moon’ window. In these dark-sky conditions, the absence of moonlight allows the Milky Way to cast visible shadows.

Expert Tips for Sweetwater Observers

When visiting San Angelo State Park, remember to check if the gates close at sunset or if a night-use permit is required. For the best views at this spot, try to observe targets when they are highest in the sky to minimize atmospheric interference. Local enthusiasts often frequent this spot, making it a great place to meet experienced observers. Regardless of your gear, allow 30 minutes for your eyes to fully dark-adapt.

Local Top Spots

Community-vetted locations known for clear horizons and accessibility for telescopes and astrophotography.

Active Viewing Spot Confidence: 82.5%

San Angelo State Park

69.4 mi
Distance

" Standard Advice: Dress in layers as temperatures drop quickly after sunset. Use a red-light flashlight to preserve your night vision. "

San Angelo, TX 76901
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Active Viewing Spot Confidence: 72.5%

Angelo State University

71.2 mi
Distance

" Standard Advice: Dress in layers as temperatures drop quickly after sunset. Use a red-light flashlight to preserve your night vision. "

San Angelo, TX 76908
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Community Gathering Point Confidence: 62.5%

Cornerstone Christian School

69.2 mi
Distance

" Standard Advice: Dress in layers as temperatures drop quickly after sunset. Use a red-light flashlight to preserve your night vision. "

San Angelo, TX 76903
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Community Gathering Point Confidence: 62.5%

Potter's Hand Christian School

69.4 mi
Distance

" Standard Advice: Dress in layers as temperatures drop quickly after sunset. Use a red-light flashlight to preserve your night vision. "

San Angelo, TX 76903
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Community Gathering Point Confidence: 62.5%

Glenmore Elementary

71.1 mi
Distance

" Standard Advice: Dress in layers as temperatures drop quickly after sunset. Use a red-light flashlight to preserve your night vision. "

San Angelo, TX 76903
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Scientific Audit

NPS Sky Measurements

Instrumented readings from the National Park Service Night Sky Program, providing the most accurate SQM and Bortle classifications.

Little Rock

Enchanted Rock SP

21.39 SQM
Bortle Class 3

"few cirrus at start, gradually increasing and reflecting light pollution."

Observation Date
8/17/2015
Elevation
533m
Zenith Brightness
21.16

Gas Pad

Devils River State NA

21.96 SQM
Bortle Class 1

"Sky quality measurements were recorded at Gas Pad in Devils River State NA on 9/1/2018. The site demonstrated a scientific darkness reading of 21.96 SQM."

Observation Date
9/1/2018
Elevation
589m
Zenith Brightness
22

International Dark Sky Parks

Premier locations certified for their exceptional dark sky quality and commitment to light pollution mitigation.

IDA Certified Distance: 119.7 miles

Copper Breaks State Park

Copper Breaks State Park, located in northern Texas some 21km south of the town of Quanah, contains two small lakes and 16 km of trails. “Breaks” refers to the…

Category
Dark Sky Park
Certified
2014
Land Area
7.82 km2
Coordinates
34.1142, -99.7568
IDA Certified Distance: 141.4 miles

Caprock Canyons State Park, Texas

Known for its limestone hills, oak woodlands, and wide-open skies, Liberty Hill has long cherished its rural roots and starlit nights.

Category
International Dark Sky Park
Certified
2025
Land Area
61.97 km sq.
Coordinates
34.4444, -101.0531

Local Astronomy Clubs

Connect with experts and fellow enthusiasts through local astronomical societies and community groups.

NASA Night Sky Club ID
#104

San Angelo Astronomy Association

San Angelo, TX

NASA Night Sky Club ID
#596

Mason Star Gazers

Mason, TX