Overview

The Celestron NexStar 127SLT Computerized Telescope is an advanced yet user-friendly instrument designed for stargazing enthusiasts. This computerized telescope comes with a 127mm aperture, allowing for clear, detailed views of both nearby planets and distant galaxies. One of its standout features is the SkyAlign technology, which enables quick and easy alignment, making it ideal for beginners. The telescope’s compact design ensures portability, whether you're stargazing in your backyard or on the go. Additionally, a free download of Starry Night software is included to help you plan your observing sessions more effectively.

Features & Benefits

The NexStar 127SLT is packed with features that enhance both ease of use and performance. Its 127mm aperture provides a wide field of view, ideal for observing planets, the Moon, and deep-sky objects. The telescope’s SkyAlign technology allows even novices to quickly align the scope by simply centering three bright objects in the eyepiece. The lightweight design makes it portable enough for family outings or travel, while the inclusion of two eyepieces (20mm and 9mm) offers flexibility in magnification, catering to a variety of stargazing preferences.

Best For

This computerized telescope is an excellent choice for a range of users. Beginners will appreciate the easy setup and automatic alignment features, which remove the complexity typically associated with telescopes. It’s also a great option for families or educators looking for an educational tool for stargazing. Additionally, amateur astronomers who require a lightweight and portable telescope for casual observation will find the NexStar 127SLT to be a valuable companion. Its versatility ensures that it suits both new users and those with more experience in astronomy.

User Feedback

Users generally praise the NexStar 127SLT for its quick setup and ease of use, particularly for beginners. Many report enjoying the crisp, detailed views of the Moon and planets, with some noting that it even handles deep-sky objects well. However, a few users have pointed out that the mount could be sturdier, especially in windy conditions, as this affects stability. Despite this, the overall consensus is positive, with the telescope being appreciated for its portability, value, and performance for both casual and serious stargazers.

Pros

  • SkyAlign technology simplifies the setup process, even for beginners with no prior experience.
  • Portable and compact design makes it easy to carry and set up in various locations.
  • 127mm aperture provides clear and detailed views of the Moon, planets, and brighter deep-sky objects.
  • Includes two eyepieces (20mm and 9mm) offering flexible magnification options for various celestial targets.
  • The free Starry Night software aids in planning observation sessions, making it a great educational tool.
  • Lightweight enough to transport without difficulty, ideal for outdoor use or travel.

Cons

  • Some users find the mount not sturdy enough, especially during windy conditions or extended use.
  • The manual focus may not be as smooth or precise for some users, affecting the viewing experience.
  • It may not provide enough magnification or stability for advanced astronomers seeking deeper sky exploration.
  • Battery-powered operation can be limiting for longer observation sessions, especially without a backup power source.
  • Some users report that the telescope's red dot finderscope is not as intuitive as they expected.
  • Not ideal for users looking to use the telescope for astrophotography due to its entry-level design.

Ratings

The Celestron NexStar 127SLT Computerized Telescope has been reviewed by users worldwide across multiple languages and platforms. After filtering out spam, bot, and incentivized reviews, the aggregated feedback reflects both the strengths and pain points of this device. The following ratings are based on authentic, high-quality user experiences, highlighting key aspects that matter most to potential buyers.

Ease of Use
91%
Many users praise the simplicity of the SkyAlign technology, which makes setup quick and hassle-free. The intuitive interface and step-by-step process are especially appreciated by beginners, allowing them to start stargazing with minimal effort. Overall, the ease of use is a major selling point for those new to telescopes.
However, some users mention occasional alignment issues, particularly in areas with less clear skies. While the setup process is usually straightforward, certain environmental factors can sometimes interfere with the telescope’s ability to properly align, leading to frustration for a small subset of buyers.
Setup and Alignment
89%
Users are highly satisfied with the automated alignment process, which is incredibly efficient. The SkyAlign technology allows the telescope to quickly align with the night sky using just three bright objects, making setup significantly easier. This is especially beneficial for those new to astronomy, as it removes the typical complexities of manual alignment.
That said, a few users note that while the alignment process is generally fast, it can sometimes be inaccurate when clouds or light pollution obscure key stars. As a result, some stargazers feel the need to manually tweak the alignment, which may add extra time to the setup.
Portability
90%
The NexStar 127SLT is widely regarded as lightweight and easy to carry, making it perfect for stargazers on the move. Its compact design ensures that it can be easily transported to remote observation spots, and many users enjoy taking it on camping trips or for spontaneous stargazing sessions. Portability is a standout feature for those looking for a convenient, grab-and-go telescope.
A handful of buyers, however, feel that the telescope's overall weight could be reduced further for even easier transportation. While it is portable, the 18.1 lbs weight might still be a bit cumbersome for users with limited strength or those looking for something ultra-lightweight for quick outings.
Performance on Planets and Moons
87%
The 127mm aperture allows for stunning views of planets and the Moon, capturing significant detail even during basic observations. Many users report excellent clarity of the lunar surface and planets like Jupiter and Saturn, with crisp features and vivid color rendering. For casual users and beginners, the visual performance on these celestial bodies is highly satisfying.
However, some reviewers feel that while the telescope offers solid planetary views, it lacks the resolution for detailed observation of distant planets or smaller celestial bodies. Advanced users seeking high magnification and more intricate details on far-off planets may find the performance somewhat limiting for their needs.
Performance on Deep-Sky Objects
82%
18%
For deep-sky enthusiasts, the NexStar 127SLT delivers impressive views of brighter galaxies and nebulae, offering a great entry point for those interested in exploring the universe. The telescope's relatively wide field of view and decent aperture work well for a variety of deep-sky targets, with clear and bright images in favorable conditions.
Some users, however, find that the telescope struggles with dimmer, more distant deep-sky objects. The 127mm aperture, while great for brighter targets, may not capture the fine details in fainter galaxies or nebulae, leading some advanced users to look for more powerful models for their deep-sky observations.
Build Quality
78%
22%
The build quality of this telescope is generally solid, with a sturdy frame that can withstand regular use. Users appreciate its durable construction, particularly in the mount and optics, which remain stable during most observations. It’s also relatively easy to set up and secure, making it a good option for those who need a reliable telescope for frequent use.
However, there are some complaints regarding the overall feel of the plastic components, which can feel somewhat flimsy compared to higher-end telescopes. Additionally, the mount may wobble a bit during use, especially in windy conditions, which can detract from the viewing experience.
Stability in Windy Conditions
65%
35%
When the weather is calm, this telescope performs admirably, offering steady images and smooth movements. Many users find it stable enough for everyday use and casual stargazing, with minimal vibration or shaking during typical sessions.
However, when conditions are less than ideal, especially on breezy nights, the stability of the telescope becomes a notable issue. The lightweight design, while beneficial for portability, can cause noticeable shaking during use, making detailed observation challenging. Some users feel that a sturdier mount would improve performance under such conditions.
Included Software (Starry Night)
84%
The inclusion of Starry Night software is a big plus, as it enhances the overall stargazing experience by providing detailed charts and observation planning tools. Users find it incredibly helpful for identifying celestial objects and mapping out viewing sessions, especially for beginners who are still learning the night sky.
Some buyers report that the software is more of a basic tool than a comprehensive astronomy suite. While it serves its purpose, a few users feel that the software could offer more advanced features and greater depth for those who want more than basic stargazing planning.
Magnification Options
88%
The two included eyepieces, 20mm and 9mm, offer a nice range of magnification, allowing users to customize their viewing experience. The eyepieces provide clear, sharp images of a variety of celestial objects, and many users find the switch between them quick and convenient for different types of observations.
That said, some users wish there were additional eyepiece options available, particularly for higher magnifications. For those with more advanced needs or who want to view distant objects with greater detail, the provided eyepieces may not provide the level of magnification they desire.
Value for Money
92%
Many users agree that the NexStar 127SLT offers excellent value for the price. With its user-friendly features, solid performance, and portability, it strikes a good balance between affordability and quality. For beginner and casual astronomers, the telescope is considered a great investment that provides a lot of value for the money.
While many buyers are satisfied with the value, a few feel that the price point could be lower given the telescope’s limitations in more advanced areas like deep-sky observation or higher magnification. Some users who upgrade to more expensive models feel the need for more power and durability in the long term.
Customer Support
77%
23%
Celestron’s customer support is generally responsive and helpful, providing guidance on setup and troubleshooting issues. Users who have reached out for help with technical questions or issues have reported timely assistance, and the support team often follows up to ensure satisfaction.
However, some users have expressed frustration with slow response times or difficulty resolving more complex issues. A few buyers also mention that the support team’s solutions sometimes lack clarity, leading to additional back-and-forth communication.
Weight
89%
The telescope’s weight is generally well-regarded, offering a good balance between portability and stability. Many users find it easy to carry and transport, which is ideal for outdoor stargazing trips or frequent use in different locations.
A small number of buyers mention that the 18.1 lbs weight can still feel somewhat bulky when carrying it over long distances or for quick outings. While it’s not overly heavy, users with limited strength might prefer a lighter model for easier transport.

Suitable for:

The Celestron NexStar 127SLT Computerized Telescope is well-suited for beginners, casual stargazers, and those looking for a user-friendly, portable telescope. Its SkyAlign technology makes setup quick and easy, allowing even those new to astronomy to start observing the night sky in minutes. With its 127mm aperture and lightweight design, it's ideal for families, educators, or anyone who needs a compact, easy-to-transport instrument for casual celestial exploration. Whether you're a student with limited space, a family looking to introduce children to astronomy, or a novice amateur astronomer, this device provides a straightforward, enjoyable stargazing experience.

Not suitable for:

While this telescope performs admirably for beginners and casual users, it may not be the best choice for those seeking a more advanced, high-magnification instrument. Its performance on deep-sky objects and distant planets may feel limiting for users with more specific observational needs, such as seasoned astronomers or those focused on astrophotography. Additionally, the lightweight construction, though great for portability, may not offer the stability required for long sessions in windy conditions. Those who prioritize maximum detail and stability in more challenging environments might find this device lacking in those areas.

Specifications

  • Aperture: The telescope features a 127mm aperture, providing excellent light-gathering ability for detailed views of planets, the Moon, and distant galaxies.
  • Optical Design: It uses a Maksutov-Cassegrain optical design, known for compactness and high-quality images.
  • Mount Type: The mount is a computerized Altitude-Azimuth system, offering smooth and precise movement for easier tracking of celestial objects.
  • Eyepieces: Includes two eyepieces, a 20mm and a 9mm, providing multiple magnification options for versatile viewing.
  • Focus Type: The telescope uses a manual focus system for adjusting the clarity of the image.
  • Power Source: The telescope is powered by 8 AA batteries, making it portable for outdoor use.
  • Finderscope: Equipped with a StarPointer red dot finderscope, it helps in quickly locating objects in the night sky.
  • Weight: The telescope weighs 18.1 lbs, making it relatively lightweight for its size and suitable for easy transport.
  • Dimensions: The telescope’s dimensions are 34 x 30 x 50 inches, providing a manageable size for stargazing and storage.
  • Software Included: Includes a free download of Starry Night software, which assists with planning and simulating observation sessions.
  • Alignment Technology: The SkyAlign technology simplifies the alignment process by automatically aligning the telescope with the night sky using three bright objects.
  • Mount Stability: The mount is designed for smooth tracking but may require extra stability in windy conditions for optimal performance.
  • Compatibility: Compatible with various Celestron accessories and provides a solid foundation for adding more advanced equipment over time.
  • Storage: The telescope can be conveniently stored in a small space when disassembled, making it ideal for those with limited storage capacity.
  • Target Audience: This telescope is perfect for beginners, families, and amateur astronomers looking for a lightweight, user-friendly, and portable observation tool.
  • Ease of Setup: The SkyAlign system allows users to quickly set up the telescope, making it accessible even for those new to stargazing.
  • Portability: Its compact and lightweight design makes it highly portable, ideal for stargazing on the go or taking it to different locations.

FAQ

The Celestron NexStar 127SLT is designed for ease of use, particularly for beginners. Its SkyAlign technology makes setup quick and simple by aligning with three bright celestial objects. Even first-time users can have it ready for stargazing in just a few minutes.

While the NexStar 127SLT is a great telescope for planetary and deep-sky viewing, it is not designed for serious astrophotography. The manual focus and the mount’s lack of precision for long exposures make it better suited for casual observation rather than capturing detailed images of celestial objects.

This telescope requires minimal maintenance. Ensure the optics are kept clean by using a soft brush or lens cloth. It’s also important to store it in a dry, safe place when not in use to prevent dust buildup and ensure the electronics remain functional.

The NexStar 127SLT has a weight capacity of about 18.1 lbs, which is sufficient for most basic accessories like additional eyepieces or a camera adapter. However, heavy equipment, such as large cameras or heavy filters, might cause instability and affect performance.

Yes, the NexStar 127SLT can be used for terrestrial observation, but it’s optimized for celestial viewing. You may need to adjust the focus for land-based objects, and it may not provide the same sharp clarity as some telescopes specifically designed for daytime use.

This telescope is battery-powered and typically runs on 8 AA batteries. While convenient for portability, you may want to keep extra batteries on hand for longer sessions, especially if you plan on using the telescope for extended periods outdoors.

The NexStar 127SLT stands out among beginner telescopes due to its computerized mount and SkyAlign technology. Unlike many other entry-level models that require manual alignment, this telescope simplifies setup and navigation, making it more accessible to newcomers who want a user-friendly stargazing experience.

The NexStar 127SLT provides a relatively narrow field of view, which is typical for a telescope with its focal length. While it offers excellent magnification for planets and the moon, deep-sky objects like galaxies and nebulae may appear smaller or less detailed compared to larger telescopes.

Yes, the NexStar 127SLT is a great choice for kids and families. Its easy setup and user-friendly interface make it ideal for learning about the night sky together. The included Starry Night software can also be a helpful tool for planning stargazing sessions and teaching children about astronomy.

While the NexStar 127SLT is generally stable for normal use, some users have reported that it may be affected by strong winds. If you plan to use it in breezy conditions, you might notice slight vibrations, which can impact the clarity of your observations, especially at higher magnifications.