Ammon.

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

Bortle Scale
5
Best Regional Reading
Sky Quality
21.71
SQM Zenith Value
Verified Sites
1
Community Vetted
Dark Sky Parks
2
IDA Certified Nearby

Quick Guide for Ammon

  • Top Community Pick: Grace Junior High (~63.6 miles)
  • Best Scientific Reading: Bortle 5.0 at Albright Pulloff
  • Local Experts: Idaho Falls Astronomical Society
  • Verified Observations: 1 distinct spots

Searching for a clear window into the cosmos near Ammon, ID? While enthusiasts often gather at Grace Junior High for its accessibility, scientific audits conducted by the National Park Service at Albright Pulloff provide the most accurate reading of the regional sky quality, measuring at a Bortle 5.0. The local landscape of Ammon offers several pockets of darkness that are perfect for deep-sky observation.

The Best Times for Stargazing in Ammon

For the best results in Ammon, 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 Ammon Observers

Before heading out to Grace Junior High, we recommend arriving during civil twilight to scout the terrain safely. 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.

Community Gathering Point Confidence: 62.5%

Grace Junior High

63.6 mi
Distance

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

Grace, ID 83241
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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.

Albright Pulloff

Grand Teton NP

21.71 SQM
Bortle Class 5

"No cars at this site, easier to dark adapt. SQM 21.7. Headlights reflecting off truck camper"

Observation Date
7/15/2010
Elevation
1988m
Zenith Brightness
22.06

Gros Ventre Campground

Grand Teton NP

21.52 SQM
Bortle Class 4

"Camplight in campground causing direct glare SQM 21.62."

Observation Date
7/15/2010
Elevation
2007m
Zenith Brightness
21.36

International Dark Sky Parks

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

IDA Certified Distance: 61.7 miles

Jackson Hole Airport

Teton County, Wyoming, lies at the heart of the Greater Yellowstone Ecosystem, the largest intact ecosystem in the contiguous United States.

Category
Urban Night Sky Place
Certified
2025
Land Area
2.02 km
Coordinates
43.6088, -110.7380
IDA Certified Distance: 72.5 miles

Teton County

Teton County, Wyoming, lies at the heart of the Greater Yellowstone Ecosystem, the largest intact ecosystem in the contiguous United States.

Category
International Dark Sky Community
Certified
2025
Land Area
10,920 km
Coordinates
43.9139, -110.6380

Local Astronomy Clubs

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

NASA Night Sky Club ID
#220

Idaho Falls Astronomical Society

Idaho Falls, ID

NASA Night Sky Club ID
#209

Jackson Hole Astronomy Club

Jackson, WY