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Celestron 22088 NexStar 6SLT 6 Inch Schmidt-Cassegrain Telescope with Fully Computerised Altazimuth Mount, Starry Night Special Edition Software, and SkyPortal App

Celestron

Discover the Cosmos with the Celestron 22088 NexStar 6SLT Telescope

4.2(10 reviews)
£799.00£799.99All-Time Low

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2026-03-252026-03-31

The Verdict

The Celestron 22088 NexStar 6SLT is a powerful and flexible telescope that suits both beginners and more serious astronomers. It's a worthy investment for those eager to explore the night sky but may not be the best fit for casual users or those seeking budget-friendly options.

Is Now a Good Time to Buy?

The current price of £799.00 is at the all-time lowest recorded price, with no savings off the list price of £799.99. This makes it a good time to buy, as the price is stable and has not fluctuated significantly in recent weeks.

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What we like

  • Computerised star locating with a database of over 40,000 celestial objects.
  • Compact and lightweight design at just 18 pounds, making it portable.
  • Fast setup with SkyAlign, allowing users to be ready to observe in minutes.
  • Impressive 6-inch Schmidt-Cassegrain optical design for excellent image quality.
  • Includes free Starry Night software for enhanced learning and exploration.

Worth noting

  • Learning curve associated with the computerised controls can be daunting.
  • Weight may be cumbersome for some users when transporting to dark sky sites.
  • Lack of built-in battery limits portability in remote locations.
  • Some users report stability issues in windy conditions.
  • Price point may be high for those just starting out in astronomy.

What Buyers Say

Common Praise

Many buyers appreciate the telescope's clarity and ease of setup, often highlighting the impressive quality of images, especially of the Moon and planets. The computerised features receive frequent commendation for enhancing the stargazing experience.

Common Complaints

Frequent negative feedback revolves around the complexity of the controls and the weight of the telescope, which can make it less portable for some users. Additionally, a few buyers feel that it does not provide adequate performance for advanced astrophotography.

Real User Reviews: What 10 Buyers Actually Think

We analysed verified customer reviews to bring you an honest summary.

The overall sentiment from the 10 reviews is predominantly positive, with approximately 70% of users expressing satisfaction with their purchase. However, 30% of users reported mixed feelings or specific issues.

What 5-Star Reviewers Love

Enthusiastic buyers frequently praise the telescope's ease of use and the quality of images produced, particularly for planetary observations. The quick setup process and extensive database of celestial objects are also highlighted.

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What 1-Star Reviewers Complain About

The primary complaints focus on the learning curve associated with the computer interface and some users experiencing stability issues during observations. A few reviews mention that the telescope did not meet their expectations for advanced astrophotography.

Reviews appear stable over time, with no significant trends indicating improvement or decline. Recent reviews maintain a similar level of satisfaction to earlier ones.

Approximately 70% of reviews are from verified purchases, suggesting a reliable representation of customer experiences.

Who Is This For?

This telescope is ideal for amateur astronomers looking for a user-friendly, computerised option that can grow with their interests. It's also great for families wanting to engage children in science and exploration. However, seasoned astrophotographers may find it lacks some of the advanced features they require. Casual stargazers who prefer quick, uncomplicated viewing may want to consider simpler and less expensive models.

Our Review

The Celestron 22088 NexStar 6SLT is a 6-inch Schmidt-Cassegrain telescope, priced at £799.00, making it an intriguing option for both budding astronomers and seasoned stargazers alike. With a solid rating of 4.2 out of 5 from 10 reviews, this telescope is designed for ease of use and excellent performance, particularly in light-polluted areas such as many urban settings in the UK.

First impressions of the NexStar 6SLT are striking. The telescope comes equipped with a fully computerised altazimuth mount that allows users to locate celestial objects quickly and efficiently. Its compact design, weighing in at just 18 pounds, makes it easily portable for use in various locations, whether that’s your backyard or a designated dark sky site like Kielder Forest or the Brecon Beacons, both known for their minimal light pollution.

Key Features in Detail

One of the standout features is the computerised star-locating capability. The telescope boasts a database of over 40,000 celestial objects, which can be accessed via its intuitive NexStar+ hand control. The proprietary SkyAlign procedure simplifies the alignment process, enabling users to observe within minutes by simply centering any three bright objects in the sky. This feature is particularly useful for beginners who may feel overwhelmed by the complexity of telescope setup.

The 6-inch Schmidt-Cassegrain optical design allows for a wide range of focal lengths, making it suitable for both visual and photographic astronomy. The telescope excels in capturing detailed images of planets, the Moon, and even some of the brighter deep-sky objects, making it an excellent choice for those wanting to explore beyond our solar system.

Included with the telescope is the Starry Night Special Edition software, which enhances the user experience by providing a virtual sky map and extensive information about the objects you can observe. This educational tool is beneficial for those new to astronomy, helping to deepen their understanding of the universe.

Performance Assessment

In practical use, the NexStar 6SLT has received positive feedback for its clarity and ease of tracking celestial objects. Users have noted that the telescope performs exceptionally well, even in areas with moderate light pollution, which is a common condition in many UK cities. The ability to set up and start observing in a matter of minutes is a significant advantage for individuals who may not have the time or inclination for lengthy preparations.

Build Quality

The build quality of the NexStar 6SLT is robust, featuring a pre-assembled, adjustable stainless steel tripod that provides stability during use. However, some users have reported that while the telescope is lightweight, it can be somewhat less stable in windy conditions, which could affect observation quality.

Value for Money

At £799.00, the NexStar 6SLT is positioned at the higher end of the amateur telescope market, yet it offers a wealth of features that justify the price. Compared to competitors like the Celestron AstroMaster 130EQ, priced at £275.00, the NexStar provides significant advantages in terms of computerised functionality and optical performance, making it a worthwhile investment for serious hobbyists.

How It Compares to Alternatives

When compared to the Usogood 10X42 Monocular priced at £27.99, the NexStar 6SLT is clearly a more sophisticated piece of equipment, aimed at users looking for in-depth astronomical exploration rather than simple terrestrial viewing. However, for casual users or those just dipping their toes into astronomy, a lower-cost option may suffice.

Genuine Negatives

Despite its many strengths, the NexStar 6SLT isn't without its drawbacks. Some users report a learning curve associated with the computerised controls, which can be daunting at first. Additionally, the telescope's weight, while manageable, may be cumbersome for some users when transporting it to dark sky locations. Furthermore, the lack of a built-in battery can limit portability in remote areas without power sources.

Conclusion

The Celestron 22088 NexStar 6SLT is a fantastic choice for those looking to delve deeper into the wonders of the universe. With its user-friendly features, impressive optical design, and comprehensive software, it is well-suited for both beginners and experienced astronomers. However, those who prefer minimal setup or are on a tight budget may want to explore more affordable alternatives.

Frequently Asked Questions

Is the Celestron worth buying in 2026?

Yes, the Celestron NexStar 6SLT remains a strong option due to its 4.2/5 rating and competitive features at a price of £799.00.

What is the focal length of the Celestron NexStar 6SLT?

The Celestron NexStar 6SLT has a focal length of 1500mm, which allows for detailed observations of celestial objects.

How does this compare to the Celestron AstroMaster 130EQ?

The NexStar 6SLT, priced at £799.00, offers advanced computerised features and a larger aperture compared to the AstroMaster 130EQ at £275.00, making it better for serious observations.

What are the main complaints about this product?

Common complaints include a steep learning curve for the computer interface and issues with stability in windy conditions.

Can I use this telescope for astrophotography?

While the NexStar 6SLT can be used for astrophotography, it may not meet the needs of advanced users looking for high-end features.

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