Sea West Observatories

Name: Sea West Observatories
Address: 373 East Foothill Boulevard, Suite 200, San Dimas, CA, 91773, US
Telephone: +19095927120

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United States
San Dimas, CA
Sea West Observatories

We work with a reputable and diverse network of partners and vendors who share our commitment to excellence and innovation.

As a turn-key contracting company specializing in observatory builds, we offer a full range of services that are extremely valuable for amateur and professional astronomers alike. We build observatories that are tailored to meet the unique needs of each customer, whether they need a portable, small-scale dome or a larger, permanent structure. In addition to providing construction services, we offe

r ongoing maintenance packages to ensure that the observatory and telescope remain in top working condition. Our team of experts is available to offer advice and knowledge on diagnosing issues that may arise, helping telescope owners troubleshoot problems and improve their observing experience.

09/04/2026

A closer look at the PlaneWave CDK12. 🔭

Precision equipment is only one part of building a high-performance observatory. At Sea West Observatories, we help bring the entire system together—from telescope installation and equipment integration to complete observatory renovations, upgrades, and ongoing service.

Whether you’re building a new observatory or modernizing an existing facility, our team can help transform your space into a reliable, professional-grade observatory built around your goals.

Ready to upgrade your observatory? Get in touch with Sea West to start planning your next project.

05/20/2026

Our nearest galactic neighbor in stunning detail. 🌌

Captured from a private observatory system installed by Sea West, this image of M31, the Andromeda Galaxy reveals sweeping dust lanes, glowing star clouds, and the immense scale of the closest spiral galaxy to the Milky Way.

Located over 2.5 million light-years away, Andromeda remains one of the most breathtaking targets in the night sky. Images like this are a reminder of what’s possible when precision instrumentation meets dark skies and a properly integrated observatory system.

05/18/2026

Bringing new life to a custom observatory!

Sea West recently completed a retrofit of this roll-off roof observatory, replacing the aging telescope system with a new PlaneWave CDK20 and delivering major upgrades to the facility. From system integration to performance improvements, this observatory is now equipped for modern high-resolution imaging and reliable operation for years to come.

05/14/2026

The Running Chicken Nebula in all its chaotic beauty. 🌌✨

Captured with a PlaneWave DeltaRho 500, this image of IC 2944 — the Running Chicken Nebula showcases glowing hydrogen clouds and intricate dark dust structures spread across one of the southern sky’s most striking emission regions.

This final image combines 61 red, 38 green, and 42 blue exposures at 300 seconds each for a total integration time of 11 hours and 45 minutes. Stacked and processed to bring out the rich detail and color hidden within this massive nebula complex.

04/17/2026

A timeless jewel of the winter sky. ✨🌌

Captured from one of our client observatories, M45 the Pleiades shines with brilliant blue reflection nebulosity surrounding this young open star cluster. Also known as the Seven Sisters, M45 is one of the most recognizable and breathtaking deep-sky objects visible from Earth.

A perfect reminder that some of the brightest objects in the sky still hold incredible detail when viewed through the right equipment.

Address

373 East Foothill Boulevard, Suite 200
San Dimas, CA
91773

Telephone

+19095927120

Website

http://www.seawestobservatories.com/

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