Unistellar Odyssey Pro vs ZWO Seestar

Posted on Wednesday, December 18, 2024 by RICHARD HARRIS, Executive Editor

John A. Read, astronomer and host of Learn to Stargaze on YouTube, recently shared an in-depth look at the Unistellar Odyssey Pro, a telescope designed for immersive stargazing and astrophotography experiences. In his video, Read explored the telescope’s key features, tested its performance, and directly compared it to the ZWO Seestar, a leading competitor in the automated telescope market.

How does it stack up? The Unistellar Odyssey Pro vs ZWO Seestar when it comes to smart telescopes in 2024.

The Unistellar Odyssey Pro, a successor to the EV Scope, is built with an emphasis on ease of use and sharing astronomy with others. Read, who previously tested the EV Scope at the Analog Astronaut Conference in 2022, praised Unistellar’s focus on creating a memorable observational experience for star parties and public events. Equipped with an 85mm aperture, the Odyssey Pro collects nearly three times as much light as the Seestar's 50mm aperture, promising better resolution and the ability to capture finer details in less time. This advantage also positions it as a more versatile option for planetary imaging, an area where the Seestar has limitations.


The Odyssey Pro’s app integration

In his unboxing and setup, Read noted the high-quality packaging and detailed instructions, which he humorously admitted were necessary after initial difficulties opening the box. The telescope’s backpack was another highlight, designed for portability and convenience, and capable of accommodating additional accessories and even Read’s own 110 Things to See with a Telescope book.

During testing, Read appreciated the Odyssey Pro’s smooth app integration. Using the Unistellar app, the telescope aligned with celestial objects like the Sun and Jupiter with minimal input. The Odyssey's smart solar filter impressed him, allowing detailed views of sunspots and easy image stacking for enhanced clarity. However, Read cautioned users to allow the telescope time to adjust to ambient temperatures for optimal performance—a lesson he learned during an initial session where temperature differences affected image quality.


Side-by-side comparison of imaging capabilities under identical conditions

In a side-by-side comparison with the Seestar at the ABY Ridge Observatory in Nova Scotia, Read evaluated both telescopes’ imaging capabilities under identical conditions. While the Odyssey Pro excelled in light-gathering power and resolution, its higher weight (8.8 lbs compared to the Seestar’s 6 lbs) and price point were notable factors. Read emphasized that the Odyssey Pro targets a different audience: those willing to invest in a premium, user-friendly telescope that rivals traditional astrophotography rigs in cost and capability.


Drawbacks of the Odyssey Pro

Despite the Odyssey Pro’s strengths, Read acknowledged a few drawbacks. The heavier tripod, while adding stability, may pose portability challenges for some users. Additionally, the higher price—comparable to an entry-level deep-sky astrophotography setup with separate components—could deter budget-conscious buyers. For those new to astrophotography or seeking a more affordable option, he recommended the Seestar, which offers competitive imaging performance at a lower cost.

Ultimately, Read described the Unistellar Odyssey Pro as an exceptional telescope for its intended purpose: providing a seamless, high-quality stargazing experience that combines advanced technology with accessibility. While he praised its performance and features, he stopped short of declaring it definitively better than the Seestar, emphasizing that the best choice depends on individual needs, budget, and intended use.

For astronomy enthusiasts and public outreach advocates seeking a powerful, all-in-one telescope, the Unistellar Odyssey Pro stands out as a compelling option. However, for casual stargazers or those with limited budgets, the ZWO Seestar remains a strong contender.

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