Casa Grande.

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

Bortle Scale
7
Best Regional Reading
Sky Quality
19.96
SQM Zenith Value
Verified Sites
5
Community Vetted
Dark Sky Parks
2
IDA Certified Nearby

Quick Guide for Casa Grande

  • Top Community Pick: Picacho Peak State Park (~27.6 miles)
  • Best Scientific Reading: Bortle 6 at North of Compound B
  • Local Experts: East Valley Astronomy Club (EVAC)
  • Verified Observations: 5 distinct spots

Searching for a clear window into the cosmos near Casa Grande, AZ? While enthusiasts often gather at Picacho Peak State Park for its accessibility, scientific audits conducted by the National Park Service at North of Compound B provide the most accurate reading of the regional sky quality, measuring at a Bortle 6. The local landscape of Casa Grande offers several pockets of darkness that are perfect for deep-sky observation.

The Best Times for Stargazing in Casa Grande

Since Casa Grande sits in a transitional light zone, viewing is best during the New Moon or after midnight when some commercial lighting is reduced.

Expert Tips for Casa Grande Observers

When visiting Picacho Peak State Park, remember to check if the gates close at sunset or if a night-use permit is required. A medium-aperture telescope is ideal for resolving the rings of Saturn and bright star clusters here. 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: 95%

Picacho Peak State Park

27.6 mi
Distance

" 'End of Park road the day use picnic area', 'Day use picnic area at end of road', 'Park fees are requested at entry', 'Park in lower lot of day use area', 'Day use area parking lot', 'Day use picnic area' "

Picacho, AZ 85141
Get Directions
Active Viewing Spot Confidence: 77.5%

Casa Grande Ruins National Monument

14.7 mi
Distance

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

Coolidge, AZ NaN
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Premier Verified Hub Confidence: 100%

Oracle State Park

61.5 mi
Distance

" {'– Talk in Ranch House on Moon Cycles (6:30 -7pm)', 'Telescopes Setup at the historic Kannally Ranch House', 'At the Kennelly House patio', 'Next to "

Oracle, AZ 85623
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Premier Verified Hub Confidence: 100%

Saguaro National Park East

65.9 mi
Distance

" {'Go to visitors center for directions', 'Report to visitors center', 'Setup on Loop Road', 'At the Bicycle Ramada to the left of the Visitors Center' "

Tucson, AZ 85730
Get Directions
Active Viewing Spot Confidence: 80%

Veterans Oasis Park - City of Chandler

28 mi
Distance

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

Chandler, AZ 85249
Get Directions
Scientific Audit

NPS Sky Measurements

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

North of Compound B

Casa Grande NM

19.88 SQM
Bortle Class 6

"High thin clouds presnt, especially to the north. M31 a difficult direct vision, or an easy averted vision object. Multiple light domes are apparent as well as some closer lights from development around Coolidge."

Observation Date
1/9/2007
Elevation
424m
Zenith Brightness
20.05

Compound B

Casa Grande NM

19.96 SQM
Bortle Class 7

"M31 a difficult direct/ easy averted vision object. M33 not visible. Milky way not visible (perhaps very fainly around Cassieopea, Perseus). Multiple light domes apparent, as well as many small glows from nearby development. Towers with red flashing lights and lots of air traffic present. A very clear night, but windy. Its possible some dust might be in the air."

Observation Date
1/16/2007
Elevation
430m
Zenith Brightness
20.16

International Dark Sky Parks

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

IDA Certified Distance: 48.8 miles

Fountain Hills, Arizona

The Town of Fountain Hills, Arizona, is an incorporated municipality of approximately 25,000 inhabitants situated at the edge of the greater Phoenix, Arizona (U.

Category
Dark Sky Community
Certified
2018
Land Area
52.7 km2
Coordinates
33.6117, -111.7174
IDA Certified Distance: 63.3 miles

Oracle State Park

Oracle State Park consists of 1,619 hectares of state-owned land just east of the unincorporated town of Oracle in southeastern Arizona, a community of about 4…

Category
Dark Sky Park
Certified
2014
Land Area
16 km2
Coordinates
32.6201, -110.7271

Local Astronomy Clubs

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

NASA Night Sky Club ID
#379

East Valley Astronomy Club (EVAC)

Gilbert, AZ

NASA Night Sky Club ID
#266

Phoenix Astronomical Society

Phoenix, AZ