Fort Irwin.

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

Bortle Scale
1
Best Regional Reading
Sky Quality
21.78
SQM Zenith Value
Verified Sites
4
Community Vetted
Dark Sky Parks
2
IDA Certified Nearby

Quick Guide for Fort Irwin

  • Top Community Pick: High Desert Astronomical Society (~58.9 miles)
  • Best Scientific Reading: Bortle 4.0 at Owlshead Radar Tower
  • Local Experts: High Desert Astronomical Society
  • Verified Observations: 4 distinct spots

Searching for a clear window into the cosmos near Fort Irwin, CA? While enthusiasts often gather at High Desert Astronomical Society for its accessibility, scientific audits conducted by the National Park Service at Owlshead Radar Tower provide the most accurate reading of the regional sky quality, measuring at a Bortle 4.0. The local landscape of Fort Irwin offers several pockets of darkness that are perfect for deep-sky observation.

The Best Times for Stargazing in Fort Irwin

For the best results in Fort Irwin, 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 Fort Irwin Observers

Before heading out to High Desert Astronomical Society, we recommend arriving during civil twilight to scout the terrain safely. Binoculars are a favorite for regulars at this spot for sweeping views of the Moon’s craters and larger constellations. 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.

Premier Verified Hub Confidence: 100%

High Desert Astronomical Society

58.9 mi
Distance

" The High Desert Astronomical Society will be present with telescopes, providing a guided tour of the Moon, planets and other celestial objects for visitors. International Observe the Moon Night is sponsored by NASA’s Lunar Reconnaissance Orbiter (LRO) mission and the Solar System Exploration Division at NASA’s Goddard Space Flight Center, with many contributors. "

Apple Valley, CA 92307
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Active Viewing Spot Confidence: 80%

Lewis Center for Educational Research Luz Observatory

58.9 mi
Distance

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

Apple Valley, CA 92307
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Active Viewing Spot Confidence: 72.5%

Mojave River Forks

70 mi
Distance

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

Hesperia, CA 92345
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Community Gathering Point Confidence: 47.5%

Victor Valley Museum

62.5 mi
Distance

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

Apple Valley, CA 92308
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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.

Owlshead Radar Tower

Death Valley NP

21.49 SQM
Bortle Class 4

"At sunset lots of clouds southwest, few northwest, otherwise clear, slight haze. Zodiacal light strong early, gegenschein not seen. Las Vegas light dome casts shadows, definitely brighter than Jupiter. Clouds linger throughout, 2nd set best. Light dome from Ft. Irwin pretty bright, Victorville/Los Angeles quite bright. Obvious dust in air, hazy view of light domes. Vehicle suffers flat tire between Owl Lake and Lost Lake basins, narrow wheel base vehicle recommended, 4WD required climbing out of Owl Lake in sandy wash."

Observation Date
4/18/2006
Elevation
1213m
Zenith Brightness
21.71

Kelbaker Road

Mojave NPres

21.78 SQM
Bortle Class 1

"Sky quality measurements were recorded at Kelbaker Road in Mojave NPres on 5/21/2017. The site demonstrated a scientific darkness reading of 21.78 SQM."

Observation Date
5/21/2017
Elevation
606m
Zenith Brightness
22.17

International Dark Sky Parks

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

IDA Certified Distance: 87.5 miles

Death Valley National Park

Death Valley National Park is distant enough from the large cities of the southwest so that much of the night sky above the desert floor is near pristine and…

Category
Dark Sky Park
Certified
2013
Land Area
13,848 km2
Coordinates
36.4702, -117.0884
IDA Certified Distance: 102.2 miles

Joshua Tree National Park

Joshua Tree National Park is a U.S. national park sprawling over land that straddles the boundary of two deserts: the higher Mojave Desert and lower Colorado…

Category
Dark Sky Park
Certified
2017
Land Area
3,218 km2
Coordinates
33.8971, -115.9511

Local Astronomy Clubs

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

NASA Night Sky Club ID
#37

High Desert Astronomical Society

Apple Valley, CA

NASA Night Sky Club ID
#198

Big Bear Valley Astronomical Society

Big Bear City, CA