Hermosa Beach.
The definitive guide to dark skies and celestial observation in Hermosa Beach, CA. Verified using National Park Service and NASA Night Sky Network Clubs data.
Quick Guide for Hermosa Beach
- Top Community Pick: Griffith Observatory (~18.3 miles)
- Best Scientific Reading: Bortle 7 at Tuna Canyon Park
- Local Experts: South Bay Astronomical Society
- Verified Observations: 5 distinct spots
If you’re looking to escape the light pollution of Hermosa Beach, you’re in luck. While enthusiasts often gather at Griffith Observatory for its accessibility, scientific audits conducted by the National Park Service at Tuna Canyon Park provide the most accurate reading of the regional sky quality, measuring at a Bortle 7. The local landscape of Hermosa Beach offers several pockets of darkness that are perfect for deep-sky observation.
The Best Times for Stargazing in Hermosa Beach
Since Hermosa Beach 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 Hermosa Beach Observers
Because Griffith Observatory is a developed site, it often features established viewing pads and specialized equipment. A medium-aperture telescope is ideal for resolving the rings of Saturn and bright star clusters the site. 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.
California Guide
Local Top Spots
Community-vetted locations known for clear horizons and accessibility for telescopes and astrophotography.
Griffith Observatory
" Standard Advice: Dress in layers as temperatures drop quickly after sunset. Use a red-light flashlight to preserve your night vision. "
Garvey Ranch Observatory
" Standard Advice: Dress in layers as temperatures drop quickly after sunset. Use a red-light flashlight to preserve your night vision. "
Santa Monica Boardwalk Hollister
" Standard Advice: Dress in layers as temperatures drop quickly after sunset. Use a red-light flashlight to preserve your night vision. "
Mount Wilson Observatory
" Standard Advice: Dress in layers as temperatures drop quickly after sunset. Use a red-light flashlight to preserve your night vision. "
Sunset Triangle Plaza
" Standard Advice: Dress in layers as temperatures drop quickly after sunset. Use a red-light flashlight to preserve your night vision. "
NPS Sky Measurements
Instrumented readings from the National Park Service Night Sky Program, providing the most accurate SQM and Bortle classifications.
Tuna Canyon Park
Santa Monica Mountains NRA
"Sky quality measurements were recorded at Tuna Canyon Park in Santa Monica Mountains NRA on 2/8/2011. The site demonstrated a scientific darkness reading of 19.37 SQM."
Schueren Rd
Santa Monica Mountains NRA
"Very clear and dry night"
International Dark Sky Parks
Premier locations certified for their exceptional dark sky quality and commitment to light pollution mitigation.
Julian, California
The town of Julian, California, is a small village near the center of San Diego County, California, U.S., with a population of about 1,000 inhabitants.
Anza-Borrego Desert State Park
Anza-Borrego Desert State Park is state park in southern California, U.S. By land area, it is the country’s second-largest state park, after New York’s…
Local Astronomy Clubs
Connect with experts and fellow enthusiasts through local astronomical societies and community groups.