The best telescope is the one you’ll actually use every clear night! Select a model that suits your budget, aligns with your desired observing targets, and accommodates your setup preferences (manual or computerized). A telescope that’s easy to transport and quick to set up will get used far more often than one that’s bulky or complex. Check out our recommendations above for our top picks.

Different telescope designs excel for different targets. For bright Solar System objects, such as the Moon and planets, opt for a telescope with a longer focal length for higher magnification and finer detail. Refractors, Maksutov-Cassegrains, and Schmidt-Cassegrains are excellent options. For deep-sky objects like galaxies, nebulae, and star clusters, a larger aperture helps reveal faint details; Newtonian reflectors and SCTs excel here. If you want to explore both, SCTs offer the best balance and versatility. The key is to match the telescope’s strengths to the celestial sights that excite you most. Read more

Yes. Aperture determines how much light your telescope gathers. The larger the aperture (the diameter of the primary lens or mirror), the brighter and sharper your views will be. A larger aperture reveals fainter objects and finer details. However, bigger isn’t always better—larger telescopes are heavier and take longer to set up. The best choice is one you can manage comfortably and will use often. Read more

Focal length is the distance light travels inside your telescope before reaching focus, and it determines magnification and field of view. A longer focal length offers higher magnification and narrower views, which is perfect for studying planets or the Moon. A shorter focal length gives a wider view, ideal for sweeping across star fields or viewing large nebulae.

The focal ratio (f/number) is the relationship between focal length and aperture. Telescopes with a fast focal ratio (f/2–f/6) produce brighter, wide-field images, making them excellent for deep-sky observing and astrophotography. Slower focal ratios (f/8–f/10) are better suited for high magnification and planetary detail.

An eyepiece’s number, such as 10mm or 25mm, represents its focal length. Smaller numbers provide higher magnification and a narrower field of view, revealing finer details in planets or the Moon. Larger numbers offer lower magnification and a wider field of view, which is ideal for locating objects and observing large star clusters or nebulae. Start each session with a low-power eyepiece to locate your target, then switch to a higher-power eyepiece for close-up details.

Every Celestron telescope lists a minimum and maximum useful magnification. Staying within this range ensures your views remain sharp and bright. A good eyepiece collection includes three focal lengths: one for low power and wide views, one for medium power, and one for high magnification. To expand your range affordably, consider a Barlow lens, which multiplies the magnification of your existing eyepieces. Read more

Choose the largest aperture you can comfortably handle, store, and afford. Larger telescopes reveal fainter objects and more detail, but portability is also important—if it’s too heavy or complicated to move, it may stay in storage. For most beginners, a small to mid-size telescope, such as a 102mm refractor or 130mm reflector, strikes the right balance of performance and ease of use.

Manual telescopes are budget-friendly and great for learning the night sky through star-hopping. You’ll find and track objects yourself, which builds valuable observing skills. Computerized, or GoTo, telescopes locate and follow celestial objects automatically. They’re ideal for convenience, precision, and astrophotography, although they require power and some setup. Your choice comes down to how much guidance you want from your telescope.

Alt-az mounts move up and down, left and right, much like a camera tripod. They’re intuitive and perfect for beginners who want simple operation. Equatorial mounts are designed to track celestial objects as Earth rotates, making them essential for long observing sessions and astrophotography. If you’re just starting out, an alt-az mount offers simplicity; if you plan to image or track for long periods, an EQ mount is worth the investment. Read more

To get the most out of your telescope, add a few key accessories. A selection of eyepieces with varying focal lengths provides flexibility in magnification. A Barlow lens doubles or triples the power of your eyepieces, expanding your viewing options. Filters enhance contrast and reveal hidden details, while a portable power source, such as a PowerTank, ensures your telescope runs smoothly all night. As you grow, consider a padded case to keep your gear protected.

A finderscope, or red-dot finder, helps you aim your telescope. It provides a much wider view of the sky, allowing you to align on bright stars or planets before looking through the main telescope. Once your target is centered in the finderscope, it will appear in your eyepiece, making setup and object location much easier. Read more

Yes! You can start simply with a smartphone adapter to capture bright objects, such as the Moon and planets. If you already own a DSLR, use a T-ring and T-adapter to attach it to your telescope for more advanced imaging. For those seeking the best performance, dedicated astronomy cameras are designed for long-exposure imaging and capturing faint, deep-sky targets. Some systems, like Celestron Origin, even stack and process images automatically. Read more

Yes, but only with the proper setup. For daytime observing, you can use your telescope to view distant landscapes or wildlife. For solar observing, always use a certified solar filter that meets ISO 12312-2:2015(E) standards. Never look at the Sun through a telescope without proper filtration—it can cause instant, permanent eye damage. For how to view land objects with a telescope, click here, and for more information on solar observing, click here.

With a beginner or entry-level telescope, you can expect to see craters, ridges, and shadows on the Moon in stunning detail. Saturn’s rings and Jupiter’s cloud bands and moons are easily visible, and you may catch glimpses of Mars’s polar caps when it’s close to Earth. Venus shows distinct phases, and Mercury can be spotted before sunrise or after sunset. Bright star clusters, such as the Pleiades, and nebulae, like Orion, will appear as soft, glowing clouds, while galaxies, like Andromeda, will look like faint smudges of light. You won’t see the vivid colors captured in long-exposure photos, but viewing these objects in real time with your own eyes is an awe-inspiring experience that never gets old.

Astronomy binoculars are a simple and portable way to start exploring the night sky. They offer wide views that make it easy to find objects like the Moon, star clusters, and bright nebulae. While they can’t match a telescope’s magnification, they’re lightweight, quick to set up, and perfect for beginners who want a casual introduction to stargazing.

Light pollution brightens the night sky, washing out faint objects like galaxies and nebulae. To improve contrast, consider using a light pollution filter, which selectively blocks certain wavelengths of artificial light. If possible, travel to a dark-sky location, away from city lights, for optimal observing conditions. Read more

Absolutely. Celestron’s suite of mobile apps, powered by SkySafari™, helps you explore the night sky with ease. Paired with their respective telescopes, SkyPortal offers guided tours and telescope control, StarSense Explorer uses your phone’s camera to guide you to targets, and the Celestron Origin app automates smart imaging. For desktop users, Starry Night software provides advanced tools for planning observing sessions. It’s included with every Celestron telescope purchase.

Manual telescopes operate without power, but computerized models need electricity to run their motors and tracking systems. Celestron’s PowerTank portable battery packs provide reliable 12V power to keep your telescope and accessories running through long observing sessions, whether at home or under dark skies.

Begin on a stable, level surface. Assemble the mount, attach your telescope, and start with a low-power eyepiece to locate your first target. For equatorial mounts, align the polar axis toward Polaris. Every Celestron telescope comes with a Quick Setup Guide to walk you through these steps and help you get observing quickly.

For best results, store your telescope in a cool, dry place, ideally in its original box, a padded bag, or a hard case to protect it from dust and damage. Always replace lens and mirror caps after observing, and avoid leaving your telescope in damp or dusty environments. Read more about telescope storage by clicking here.

We do not recommend keeping your telescope outside. Moisture, heat, and dust can damage optics and mechanical components. If you need short-term protection between sessions, use a weather-resistant cover, like Celestron’s telescope cover, to shield it from dew and light rain.

Most telescopes need very little maintenance. Refractors and Maksutov-Cassegrains are virtually maintenance-free, while reflectors may occasionally need collimation to realign their mirrors. Schmidt-Cassegrain, EdgeHD, and RASA systems maintain their alignment well but may require occasional collimation or readjustment over time. Always keep optics capped when not in use, and only clean lenses or mirrors when absolutely necessary, using proper tools.

This is completely normal. Telescopes use mirrors and lenses that flip the image as light is focused. Since there’s no “up” or “down” in space, this orientation doesn’t affect astronomy. For terrestrial viewing, you can use an erect-image diagonal to correct the view. Read more

Stellar magnitude measures brightness. The lower the number, the brighter the object. The Sun shines at magnitude -26.7, while faint stars visible to the naked eye are around +6. Your telescope’s aperture determines how faint you can see—larger apertures reveal stars and galaxies invisible to the unaided eye. Read more

With a bit of practice, most beginners feel confident after a few sessions. Start with bright, easy targets like the Moon or Jupiter, and take your time learning to align, focus, and track. Every night under the stars builds experience, and soon the setup will feel second nature.

You can spot the International Space Station (ISS) as a bright, fast-moving point of light crossing the sky. With careful timing and tracking, larger telescopes may reveal its shape or solar panels, but not fine details. Click here to read more about observing the ISS.

The flags and landers left by Apollo missions are far too small to be seen from Earth, even with the most powerful professional observatories. Read our article about the flags on the Moon here.