Specifications

Specifications

Celestron Evolution 8 HD with StarSense

The NexStar Evolution keeps evolving. Evolution 8 HD pairs Celestron's best optics with their best technology to make an incredibly versatile and portable telescope system. Now, enjoy EdgeHD 8” optics and StarSense AutoAlign on the renowned Evolution mount, all controlled from your favourite tablet or phone.

With the innovative NexStar Evolution 8 HD, enjoy EdgeHD optics and controlling the telescope wirelessly with the SkyPortal app. Now equipped with StarSense AutoAlign, go-to alignment is done automatically once you tap “Connect and Align”! Observing, astro-imaging, and automatic wireless alignment are all bundled into a compact yet mechanically solid setup. This the most capable, easy-to-use and ready-for-action system we’ve ever offered.

When NexStar Evolution was introduced, it paired two of Celestron’s most acclaimed innovations, Schmidt-Cassegrain telescopes and computerized go-to optics, in a compact single fork arm mount. The technology and optics continued to evolve over the years. On the technology side, we added StarSense AutoAlign for our go-to telescopes, as well as Wi-Fi telescope control with over our new SkyPortal app. With optics, EdgeHD flat-field and coma-free astro-imaging systems were made to accommodate modern imaging with cameras of all types, especially larger format CCD and DSLR cameras. Now all of these innovations have come together in one telescope package: The NexStar Evolution 8HD. The NexStar Evolution 8HD covers all bases for compact and easy to use, and is perfectly capable for any observing to astro-imaging pursuit.

STARSENSE AUTOALIGN IN SKYPORTAL APP

Tired of the tedious alignment procedures required by most modern computerised telescopes? Come to the future with Celestron's StarSense - your telescope will align itself to the heavens for you with the tap of a button on your smartphone, and in a few minutes will be ready to show you the universe!

StarSense not only automatically aligns itself from your smart device, it also has advanced mount modelling, allowing you enter up to 10 alignment points for the most precision pointing accuracy possible. Even the most advanced telescope users will love using StarSense AutoAlign through the app. This affordable accessory replaces the expensive software usually used for advanced mount modelling. With this built-in mount modelling, you'll get superior pointing accuracy from horizon to horizon. When your alignment needs to be perfect, add up to 10 additional calibration stars to achieve a new level of accuracy, great for locating objects in the camera’s field of view for astroimaging.

SUPERIOR FIT FOR ASTROIMAGING AND VISUAL ASTRONOMY

If you’re interested in astroimaging, the 8-inch NexStar Evolution HD is an excellent way to jump in.. It’s the only fork-mounted telescope in its price range that offers brass worm gears, along with improved motors. Tracking is great, and so too is the flat-field, coma-free EdgeHD optical system.You can capture images of deep-sky objects like the Orion Nebula by simply attaching your DSLR camera. As you progress in the hobby of astroimaging, you can add a NexStar Evolution Wedge to achieve longer exposures for more detailed astrophotos.

Of course, the EdgeHD optical system offers bright, sharp views with StarBright XLT optical coatings—a great choice for visual observers and budding astroimagers alike.

NexStar Evolution is equipped with 4 auxiliary ports--2 on top of the fork and 2 on the bottom. A StarSense hand control is still included, but is not necessary when using NexStar Evolution with the app. The telescope also includes a StarPointer Pro finderscope, two 1.25” Plossl eyepieces, a 1.25” star diagonal, and an international AC adapter.

FREE SKYPORTAL APP

Access the sky and control your telescope from an interactive planetarium on your smart device – provides the best star gazing experience for you and your friends and family – know when Jupiter’s Great Red Spot will be visible, including shadow transits, planetary occultations, conjunctions, or pick the best deep sky objects to view such as galaxies and nebulae. Learn about these objects with informative backstories and beautiful image galleries, then see them for yourself through the telescope!

Controls everything, including StarSense. Tap Connect and Align and let StarSense automatically align the telescope for you. Upgradable to SkySafari Plus and SkySafari Pro.

The Celestron 1.25” Eyepiece and Filter Kit is a great way to expand the functionality and enjoyment of your telescope. Inside the metal, foam-lined carry case you’ll find these accessories:

• 32 mm Plossl Eyepiece - 1.25”
• 17 mm Plossl Eyepiece - 1.25”
• 13 mm Plossl Eyepiece - 1.25”
• 8 mm Plossl Eyepiece - 1.25”
• 6 mm Plossl Eyepiece - 1.25”
• 2X Barlow Lens - 1.25”
• #80A Blue Filter - 1.25”
• #58A Green Filter - 1.25”
• #56 Light Green Filter - 1.25”
• #25 Red Filter - 1.25”
• #21 Orange Filter - 1.25”
• #12 Yellow Filter - 1.25”
• Moon Filter - 1.25”

Eyepieces - All five Plossl eyepieces can be used in any telescope with a 1.25” focuser. Each eyepiece features a four-element design with a 52º apparent field of view. The optics are fully multi-coated to improve light transmission and protect the optics. The 32 mm Plossl eyepiece offers a low power, wide field view in most telescopes, the 13 mm & 17 mm focal lengths are good medium-power oculars, and the 8 mm & 6 mm eyepieces provide high magnifications, great for the Moon and planets, especially when seeing conditions are good.

2X Barlow Lens - The included, and very versatile 2X Barlow doubles the magnification of any 1.25” eyepiece. Since this kit includes five (5) eyepieces, you will be able to use them with and without the Barlow, giving you a total of ten magnification options in all. Any other 1.25” eyepieces you already have will also work in this desirable accessory, giving you even more magnification choices. Remember, high magnifications do not always produce clear, sharp results, especially on evenings of poor or moderate seeing conditions. Experiment to find the magnifications that are best for your telescope on a particular night.

Filters - Colored filters can be used to bring out certain details on a planet’s surface or its cloud structure. All of the planetary filters included in the 1.25” Eyepiece & Accessory Kit, as well as the Moon filter, can be used on any 1.25” eyepiece with the proper filter threads, so they are very versatile. Just screw one onto your eyepiece of choice and slide it into the focuser.

The Moon filter is one of the first accessories most new amateur astronomers buy, and for good reason! It helps block out a portion of the light the Moon sends into your eyepiece so that you can see details better. You can also try this filter on Venus; it blocks enough glare so you can observe the planet’s phases more easily.

Metal Case: The sturdy metal carry case has die-cut foam inside to protect and cushion your accessories. Store each one in its appointed place when not in use and you’ll keep them looking and performing like new. The case is even large enough to carry a few extra accessories. Just pull out enough of the foam cubes to make a nest for your eyepiece, camera adapter, etc. A tight fit is better, so remove the least amount of foam possible before testing the fit. You can always remove more if you need to.

• Celestron’s beloved entry-level telescope gets a stunning look! The Signature Series FirstScope features a superb Moon image by astroimager and Team Celestron member Robert Reeves
• High-quality tabletop Dobsonian with a 76mm reflector optical tube
• FirstScope artwork highlights key features on the lunar surface like craters and maria that you can explore for yourself with the telescope
• Simple, portable design that’s easy to use for astronomers of all levels—a great choice for kids and families
• Also includes a free PDF download of the Lunar Landscapes eBook by Robert Reeves

Celestron has joined forces with master lunar imager Robert Reeves  on this addition to the beloved FirstScope family: the FirstScope Signature Series: Moon by Robert Reeves. This quality Dobsonian-style telescope features a spherical glass mirror with a generous 76mm of aperture. The FirstScope’s wide field-of-view provides bright, sharp views of the Moon’s mountains and craters in crisp detail. You’ll also enjoy using the FirstScope to pan the Milky Way, explore open star clusters, marvel at Saturn’s rings, or view favourite deep-sky objects like the Orion Nebula.

This compact, lightweight telescope is an ideal entry-level astronomical telescope. Just remove it from the box, insert an eyepiece, and you’re ready to view. To navigate the sky, simply rotate the azimuth axis in the direction of your desired object. It doesn’t get much simpler or more portable than the FirstScope.

Its compact design makes the FirstScope Signature Series easy to take along on your next camping trip, picnic, or hike. When not in use, the FirstScope Signature Series: Moon by Robert Reeves will be a stylish decorative fixture on your bookshelf or desk.

Explore the Moon

Familiarize yourself with the Moon, our neighbouring world. Robert Reeves’ signature FirstScope comes with a custom wrap that highlights 10 lunar features to explore including Tycho, Plato, and Copernicus.  Learn more about the Moon with Robert Reeves’ Lunar Landscape eBook which goes into detail about the sizes of craters, how marias are formed, the natural history of the Moon, and other fascinating tidbits.

About Robert Reeves

Robert Reeves first photographed the Moon in 1959, just as our space program was setting its sights on lunar exploration. Since then, he’s become one of the world’s best lunar imagers and a prolific author on astrophotography. Using Celestron telescopes from his home in Texas, Robert captures more detailed images than professional astronomers could during the heyday of the Apollo missions. To learn more information about Robert Reeves, check out his Team Celestron page or for Robert’s personal perspective on having his own telescope in the Signature Series

Specifications

The Celestron Focus Motor for SCT & EdgeHD provides electronic focusing for Celestron Schmidt-Cassegrain (SCT) and EdgeHD telescope optical tubes. With the focus motor installed, you can bring celestial objects into sharp, precise focus using your telescope’s hand controller or a computer instead of using the focuser knob. A focus motor is great for visual observers who want to dial in exact focus (especially those with dexterity issues) and a must-have accessory for astroimagers. With a motorized focuser installed, an astroimager no longer needs to be physically near the telescope to focus an image. Combined with computerized control of the mount and camera, the focus motor enables the imager to gather data remotely from a backyard observatory, or even a telescope located hundreds of miles away. As an added bonus, port covers protect the ports while not in use, and the covers cannot be lost due to the tethered design.

Compatible Optical Tubes

The focus motor is compatible with all SCTs from 6” to 14” in aperture that have been produced since the year 2006. It is not compatible with 5” SCTs or older models. It is compatible with all EdgeHD optical tubes, the 8” Rowe-Ackermann Schmidt Astrograph (RASA), the 36cm RASA, and the 7” Maksutov-Cassegrain. It can also be used with the 11” RASA, but requires the Focuser Retrofit Kit for RASA 11.

Power Options

There are three options for powering your Celestron Focus Motor:

1. When using a Celestron computerized mount, you can power and control the focus motor through the mount using the supplied AUX cable. This allows control from the mount’s hand controller (NexStar+ or StarSense) or a computer.
2. If you are not using a Celestron mount, you can power and control the focus motor from a computer USB port. You will need a user supplied USB A-to-B cable.
3. You may also opt to use an external 12V DC power source which plugs into the motor’s power jack.

Compatible Software

Celestron offers a free Focuser Utility program for computer control. The Celestron PWI software can also control the focus motor. To use third-party focuser control software, an ASCOM driver is needed.

Celestron Focus Motor Bulletin

SPECIFICATIONS

Celestron's HD Pro Wedge is designed to support our fork mounted Schmidt Cassegrain Telescopes up to 11". The HD Pro Wedge provides a heavy duty, stable platform that is perfect for astroimaging and guarantees minimal vibration. A low latitude range of 0-90 degrees makes this wedge functional for use at the equator. Built-in features include altitude/azimuth adjustment controls with oversized knobs attached for easy polar alignment, a hand control holder that provides the option of placing on the wedge or the fork arm, a tilt plate for easier mounting of the telescope by simply rotating the scope onto the wedge, and a large 14 mm diameter latitude adjustment screw to add strength and stability while supplying less vibration and easier rotation with a heavy telescope.

HD Pro Wedge - General Features

• 14 mm Diameter Latitude Adjustment Screw - Adds strength and stability. Does not flex or bend providing less vibration and making it easier to rotate a heavy telescope.
• 0-90 Degree Latitude Range - Low latitude range, perfect for use at the equator.
• Built-in Hand Control Holder - Allows user to place the hand control on the wedge or fork arm. Hand control won't fall off when fork arm is angled towards the ground.
• Tilt Plate - Recesses to fit base of telescope and base of scope drops into place just by rotating. Mounting telescope on wedge becomes easier.
• Heavy Duty Side Plates - More rigid with more material provides less vibration while imaging.

Instruction Manual

The Hummingbird spotting scope shares many qualities with its namesake bird. In the wild, hummingbirds are known for their very small size, their agility (they can fly in most any direction at will), and their ability to travel long distances. The Celestron Hummingbird is the world’s first “micro” spotting scope well suited for hikers, birder watchers, and other wildlife watchers on the go.

Go “Micro”

Standard spotting scopes tend to be large and/or heavy, making them inconvenient to carry long distances in the field. The Hummingbird will shatter your expectations for how lightweight and compact a spotting scope can be, so you’ll take it places you never thought possible. You can easily hold this spotting scope in one hand, place it in a pocket, or pack it along in your carry-on luggage without compromising space.

Crisp, clear images

Although it is small, Hummingbird does not compromise on quality. All air-to-glass surfaces are fully multi-coated with high transmission optical coatings. The result is maximum light transmission for bright, sharp and contrast images. The prism is phase-coated BaK4, which increases contrast and resolution for sharper, more detailed images.

Durable, waterproof construction

The durable body of the Hummingbird works to keep the spotting scope protected against bumps and jolts both during transport and in the field. It’s also fully waterproof and nitrogen-purged, so you can use the scope worry-free in downpours, humid conditions, and other environmental challenges.

Ready for any adventure

The Hummingbird 9-27x56 spotting scope features a close focus of 10 feet, making it perfect for viewing birds, butterflies, plants, or other nearby subjects. The magnification of the 9-27x56mm spotting scope spans the standard magnification ranges of both a binocular and a spotting scope. No matter how you choose to observe, this versatile spotting scope is an excellent all-around performer.

Ways to observe

Unlike most spotting scopes, Hummingbird is so small that you can use it handheld at the lowest magnification level for a quick view of your subject. Travelers who want to save space can replace both their binocular and their spotting scope with this one optic. But the scope is also tripod adaptable, so you can secure it to a stable platform for comfortable long-duration or long-distance viewing.

Hummingbird provides plenty of eye relief for use with or without eyeglasses. For use while wearing eyeglasses, leave the twist-up eyecup in the lowered position. For use while not wearing eyeglasses, twist the twist-up eyecup into the extended position.

The professional-level Celestron LCD Digital Microscope II is a biological LCD microscope at an affordable price. With fully achromatic lens objectives, a mechanical stage, 3.5” full color TFT screen and 5MP CMOS sensor, the LCD Digital Microscope II allows for high-resolution imaging of specimen slides. The microscope even includes a 1GB SD card, enough storage to capture over 600 high-resolution images for lab reports, papers, lesson, and more.

Great for the discriminating professional or serious hobbyist, the LCD Digital Microscope II is ideal for labs, schools and research institutions.

Included Accessories

• 1GB SD card
• Dust cover
• Rugged canvas carrying case with shoulder strap
• 5 prepared slides
• 4 plug, multi-country AC adapter

• Professional digital biological microscope
• Full color 3.5" TFT LCD screen with onboard software
• Built-in 5MP digital camera captures high-resolution images and 30 fps SD video of your specimen
• Fully adjustable mechanical stage for easy slide movement
• 180° rotating head for easy sharing of images
• Rotating objective lens turret 3 lens powers: 4x, 10x, and 40x
• Camera sensor acts as 10x eyepiece lens, yielding 40x, 100x, and 400x powers
• 4x digital zoom for magnification up to 1600x
• Measuring reticle for comparing specimen sizes
• 2GB SD card included so you can save up to 620 high-resolution images
• TV output for display on large monitors for classroom or lab environment
• Included accessories: 1GB SD card, dust cover, rugged canvas carrying case with shoulder strap, 5 prepared slides, 4 plug international AC adapter

SKU: 44341

Instruction Manual

Wipe away dust, dirt, fingerprints and other particles on your lenses to see clearly with the Celestron Lens Cleaning Kit. This cleaning kit works on all glass and optical surfaces, including telescopes, binoculars, spotting scopes, monoculars, microscopes, and even your camera lenses, computer screens, and mobile devices. The kit comes complete with a retractable lens brush to remove dust particles and dirt and two options to clean smudges and fingerprints off of your optics, pre-moistened lens wipes and a bottled lens cleaning fluid with soft cloth.

NOTE: The lens cleaning fluid, cloth, and wipes can be used on corrector lens of Schmidt-Cassegrain telescopes. These items should NOT be used on the primary or secondary mirrors of telescopes.

The durable carrying pouch is divided into three sections to keep all the items organized and close at hand. The Lens Cleaning Kit can go wherever you do with the convenient belt loop. It also fits perfectly in your pocket or a small bag. Add it to your adventure kit today and enjoy better views!

The Luminos series eyepieces offer a wide 82º field of view in both high power and low power models, allowing you to make the most of your telescope, whether you own a short, fast refractor or a Celestron EdgeHD telescope. The optical set consists of six or seven elements (depending on the model) and is fully multi-coated for crisp, sharp views. All six Luminos eyepieces are parfocal, which means you can switch out eyepieces during observing sessions with little or no additional focusing required.

The Luminos eyepiece body is made of polished and anodized aluminum. A rubber grip runs around the equator of the eyepiece, giving you a secure grip and an easy method for raising and lowering the retractable eyecup. Simply twist the rubber grip to adjust the height of the eyecup. The insert barrel is threaded to accept filters.

The Luminos series eyepieces offer a wide 82º field of view in both high power and low power models, allowing you to make the most of your telescope, whether you own a short, fast refractor or a Celestron EdgeHD telescope. The optical set consists of six or seven elements (depending on the model) and is fully multi-coated for crisp, sharp views. All six Luminos eyepieces are parfocal, which means you can switch out eyepieces during observing sessions with little or no additional focusing required.

The Luminos eyepiece body is made of polished and anodized aluminum. A rubber grip runs around the equator of the eyepiece, giving you a secure grip and an easy method for raising and lowering the retractable eyecup. Simply twist the rubber grip to adjust the height of the eyecup. The insert barrel is threaded to accept filters.

The Celestron 2” Luminos Barlow Lens increases the magnification of your 2” and 1.25” eyepieces by 2.5x. The premium 4-element apochromatic optics are fully multi-coated for optimum light transmission and yield high contrast, true colour images.

The beautiful hard-anodized aluminum housing matches the eyepieces in the Celestron Luminos line. A centralized rubber grip helps to keep your hands securely on the barrel, even when your fingers are cold or you are wearing gloves. A brass compression ring just inside the top of the Luminos 2.5x Barlow grabs your 2” eyepieces gently but firmly when you turn the oversized thumbscrew. Once the thumbscrew has been secured in place, the brass ring keeps your eyepiece in the Barlow instead of relying on the tip of the thumbscrew itself, offering a better grip and protecting the barrel from scratches. A matching 2” to 1.25” adapter is included so that you can increase the magnification of all of your eyepieces, both 1.25” and 2”, in this versatile Barlow lens.

The insert barrel of the Celestron Luminos 2.5x Barlow is threaded to accept 2” filters. This is a nice feature, because you can change eyepieces without removing and reattaching the filter each time.

The Luminos series eyepieces offer a wide 82º field of view in both high power and low power models, allowing you to make the most of your telescope, whether you own a short, fast refractor or a Celestron EdgeHD telescope. The optical set consists of six or seven elements (depending on the model) and is fully multi-coated for crisp, sharp views. All six Luminos eyepieces are parfocal, which means you can switch out eyepieces during observing sessions with little or no additional focusing required.

The Luminos eyepiece body is made of polished and anodized aluminum. A rubber grip runs around the equator of the eyepiece, giving you a secure grip and an easy method for raising and lowering the retractable eyecup. Simply twist the rubber grip to adjust the height of the eyecup. The insert barrel is threaded to accept filters.

This T-Ring fits EOS M-mount mirrorless cameras only. It will not work with other Canon camera bodies like the EOS RF-mount or EOS EF-mount model cameras without adding a Canon adapter to convert those cameras to M-mount.

A T-Ring is one of the first accessories you will need to take pictures through a telescope or spotting scope. If you have a Canon EOS mirrorless camera body, the Celestron EOS M-Mount T-Ring is the one for you.

How to Use
To use this T-Ring, place the M-Mount T-Ring on your Canon mirrorless camera. Just like changing a lens, line up the T-Ring to your camera’s lens mount. Push it in and turn until you hear a click. The T-Ring has a sturdy bayonet flange that locks for a secure fit. Once you attach the T-Ring to your camera, you’re ready to connect your telescope. The telescope side of the T-Ring has threads that accept a variety of camera adapters, including the Celestron T-Adapter. The adapter you choose depends on the type of photography you wish to do.

Body
The Canon M-Mount 42mm T-ring is machined aluminum black anodized. The internal surfaces are blackened and glare-threaded to provide the highest contrast. The T-Ring has a ribbed surface for a secure grip while threading/unthreading. The Canon M-Mount 42mm T-Ring is compatible with M42 x 0.75 (T-Thread) camera adapters.

To achieve the best astroimages, it is important to attain the proper back-focus distance for your camera relative to the telescope it is being used with. If the back-focus distance your camera consumes is not exact, the performance at the corners of full frame imaging sensors will suffer—stars will appear elongated and not as pinpoints.
Example: RASA 8 with a ZWO ASI 183 MC PRO camera

• Required back-focus distance for RASA 8 with included M42 camera adapter: 25mm
• Back-focus consumed by ZWO ASI 183 MC PRO camera: 17.5mm
• To achieve equal back-focus distance, a 7.5mm M42 spacer ring is required

Celestron’s M42 Spacer Ring kit includes three different length spacer rings to achieve the proper back-focus distance with our popular Celestron optical tubes and T-thread camera adapters.

How to Use
Depending your method of astrophotography (DSLR or CCD/CMOS), there are two ways to use the M42 Spacer Ring. If you are using a DSLR, place the desired M42 Spacer Ring between your T-Ring and your T-Adapter for your optical tube. If you are using a CCD or CMOS camera, place the desired M42 Spacer Ring between the camera and the T-Adapter for your optical tube.

Below is a quick guide to help you determine which spacer ring to use for our EdgeHD, Schmidt-Cassegrain, and RASA 8 optical tubes:

Celestron MAK T-Adapter NexStar 4SE

This sturdy aluminum T-Adapter is the accessory of choice if you’d like to attach an SLR or DSLR camera to the smaller rear cell threads of a Celestron NexStar 4SE telescope or C90 spotting scope for prime focus photography.

To get started, you’ll need the appropriate T-Ring for your camera body. Remove the lens from your camera and attach the T-ring in its place. Since the T-ring is camera-brand specific, it will snap right on just like a lens. Next, remove any accessories from the rear cell of your telescope.

Screw the Celestron NexStar 4SE T-Adapter onto the rear cell threads until secure. Now, thread the T-ring & camera onto the T-Adapter. That’s all there is to it. The camera is now using your telescope as a telephoto lens.

Prime focus photography is popular for short exposure images of terrestrial objects as well as celestial objects like the Moon.

Celestron Moon Filter

The Moon has the distinction of being the most often viewed celestial object through backyard telescopes. It is undoubtedly beautiful and mysterious, and is one of those constants in our lives that connects us to every other being on our planet. Regardless of who we are or where we live or travel, we all look at the same moon.

It is difficult to look at the Moon through a telescope and see all of the details due to its brightness. Our eyes are not ready for the bright beam of light that emits from the eyepiece, and they “stop down”, just as they would when you step out into the sunlight on a bright summer’s day. When we’re in the sunlight, we often wear sunglasses. They help us relax our eyes, protect us from glare, and help us see things more clearly. When amateur astronomers observe the Moon, we use a moon filter. A Celestron Moon Filter provides similar benefits to those of sunglasses...our eye relaxes and opens up to let us see more detail. This is especially important when observing the Moon when it is near full.

The Celestron Moon Filter simply screws onto the insert barrel of most 1.25” eyepieces. It only takes a second or two to transform your regular eyepiece into one suited for lunar observations. A Moon Filter is also helpful when observing Venus or bright terrestrial scenes. This filter is not suitable for viewing the Sun.

Enjoy the most dazzling views of nebulae with your Celestron Origin when you add this H-alpha H-beta OIII (Hα-Hβ-OIII) imaging filter. This specialized filter allows high throughput of light wavelengths in emission nebulae while blocking other wavelengths that could diminish image quality and detail. The result is bright, colorful nebulae images that “pop” with detail against the black sky background.

How does the Nebula Filter for Origin work? Emission nebulae primarily emit at discrete wavelengths of light—Hα at 656nm, Hβ at 486nm, and OIII at 496/501nm. By strategically transmitting only these wavelengths of light and blocking the rest of the spectrum, the filter dramatically reduces the effect of light pollution. The “bad” light is blocked while the “good” light associated with emission nebulae passes through to Origin’s sensor.

You’ll immediately notice much higher contrast in your images, especially from your light-polluted backyard! And since the transmission at the critical wavelengths is so high, the nebula will not be dimmed—only the background will be blacker. You’ll also notice some contrast improvement in images of nebulae from darker skies, as the filter serves well in blocking natural skyglow.

Nebula Hunting

The Nebula Filter is perfect for imaging emission nebulae like the North America Nebula (NGC 7000), Lagoon Nebula (M8), Orion Nebula (M42), the Carina Nebula (NGC 3372), and dozens more. The imaging filter offers maximum light transmission in the key Hα-Hβ-OIII wavelengths, producing high contrast for emission nebulae like these.

The transmission spectrum for the Nebula Filter is 85% or greater at key wavelengths (486nm, 496nm/501nm, 656nm) and less than 0.5% transmission elsewhere. As a narrowband filter, it blocks much of the visible spectrum and only lets these specific wavelengths through. Because of this, you should not use this filter while observing or imaging broadband emission objects, such as galaxies and star clusters. For those objects, you’ll achieve the best results by removing the nebula filter and reinstalling Origin’s clear optical window.

Other similar imaging filters on the market have much narrower bandpasses at the critical Hα-Hβ-OIII wavelengths. Unfortunately, these filters block much of the incoming Hα-Hβ-OIII light for an f/2.2 optical system like Origin’s 6” RASA. This is because a RASA brings light into the filter at a steeper angle, which causes a spectral shift. If you use filters not explicitly designed for use at f/2.2, some of the light from the nebula will be blocked, resulting in a dimmer image. The Nebula Filter for Origin was custom-engineered to work at f/2.2, so none of the “good” light from the nebula is inadvertently blocked by the filter.

Body and Storage

The filter features a machined aluminum black anodized cell with a knurled rim for easy grip during installation. We’ve added anti-reflection coatings to help suppress reflections on the glass. The filter fits directly into the filter drawer in the Celestron Origin’s front lens cell, where the optical window sits. Simply remove the clear window and replace it with the filter. Origin maintains its optical performance across the entire system with the filter installed. No other adapter is needed.

Each filter comes with a foam-lined plastic storage case to safely store the filter or the optical window glass that came with your Celestron Origin when not in use.

Celestron tests every Nebula Filter for Origin individually to verify its performance. Along with your filter, you will receive a spectral transmission graph (like the one pictured above) showing the results of your filter’s test and verifying it performs as expected throughout the spectrum.

Please note this is for the Celestron Origin Intelligent Home Observatory

Specifications:

With a generous 4 inch aperture the Celestron NexStar 4SE Telescope provides excellent light-gathering ability at an affordable price. You’ll be thrilled with views of the Moon and planets, along with deep sky objects like the Orion Nebula while retaining a compact size. Its fully automated GoTo computerised mount with database of 40,000+ celestial objects automatically locates and tracks objects for you.

SkyAlign Technology

SkyAlign makes aligning a computerized telescope fast, easy, and accurate. Simply point at any three bright objects in the sky and the telescope aligns itself. From there, navigation and tracking is as easy as pushing a button.

Unique Single Fork Mount Design

Debate about the "best" telescope is nearly as endless as the Universe itself but we know one thing quite well - the best telescope is the one you will use most often! That’s why Celestron’s engineers created NexStar SE’s unique, single fork arm mount. It’s perfectly portable and makes for quick and easy set up compared to many designs. The NexStar SE disassembles into several compact pieces so it's easy to transport. You’ll have no problem getting the NexStar SE to your favorite observing site, or setting it up quickly at home.

Of course, it’s what’s inside the mount that really counts. Sturdy construction from high-quality components give the Celestron NexStar 4SE Telescope the pointing and tracking accuracy needed to observe and follow your favorite targets with push-button ease. How many other telescopes can locate and track over 40,000 celestial objects - or take a Sky Tour and let your telescope show you the best objects currently visible?

Advanced Features Let the Celestron NexStar 4SE Telescope Grow with You

The NexStar 4SE is compatible with all the high-tech accessories. Provide GPS coordinates to your telescope with SkySync. If you want to explore the world of astroimaging, the 4SE is a perfect choice. Its built-in wedge allows you to track long exposures. Or, if you’re interested in imaging the Moon and planets, pair your NexStar 4SE with one of our ZWO planetary imaging cameras.

Please note that for DSLR photography, you will require both a Celestron MAK T-Adapter (not the SCT T-Adapter), and a DSLR T-Ring for your specific camera.

https://www.youtube.com/watch?v=un37haZ_Hs0

Celestron NexStar 4SE Telescope Specifications

For more information, visit the Celestron website.

With a generous 5 inch aperture the Celestron NexStar 5SE Telescope provides excellent light-gathering ability at an affordable price. You’ll be thrilled with views of the Moon and planets, along with deep sky objects like the Orion Nebula while retaining a compact size. Its fully automated GoTo computerised mount with database of 40,000+ celestial objects automatically locates and tracks objects for you.

SkyAlign Technology

SkyAlign makes aligning a computerized telescope fast, easy, and accurate. Simply point at any three bright objects in the sky and the telescope aligns itself. From there, navigation and tracking is as easy as pushing a button.

Unique Single Fork Mount Design

Debate about the "best" telescope is nearly as endless as the Universe itself. But we know one thing quite well - the best telescope is the one you will use most often! That’s why Celestron’s engineers created NexStar SE’s unique, single fork arm mount. It’s perfectly portable and makes for quick and easy set up. The NexStar SE disassembles into several lightweight and compact pieces, making it easy to transport, even in small vehicles. You’ll have no problem getting the NexStar SE to your favorite observing site, or setting it up quickly at home.

Of course, it’s what’s inside the mount that really counts. Sturdy construction from high-quality components give the Celestron NexStar 5SE Telescope the pointing and tracking accuracy needed to observe and follow your favorite targets with push-button ease. Use the included NexStar+ hand control to locate over 40,000 celestial objects, or take a Sky Tour and let your telescope show you the best objects currently visible.

Advanced Features Let the Celestron NexStar 5SE Telescope Grow with You

The Celestron NexStar 5SE Telescope is compatible with all the high-tech accessories advanced users love. Provide GPS coordinates to your telescope with SkySync. If you want to explore the world of astroimaging, the 5SE is a perfect choice. Its built-in wedge allows you to track long exposures. Or, if you’re interested in imaging the Moon and planets, pair your NexStar 5SE with one of our ZWO planetary imaging cameras.

Suggested Accessories

Suitable Solar Filter

https://www.youtube.com/watch?v=HKEwPntn7YU

If you'd like accessories for your new telescope, we suggest this Observer's Kit would be an ideal add-on:

Celestron NexStar 5SE Telescope Specifications

Visit Celestron for Further Information

From your first observing session and for years to come, the Celestron NexStar 5SE Telescpope is your trusted companion. For further information, including manuals and videos visit the Celestron website.

With a generous 6 inch aperture the Celestron NexStar 6SE Telescope provides excellent light-gathering ability at an affordable price. You’ll be thrilled with views of the Moon and planets, along with deep sky objects like the Orion Nebula while retaining a compact size. Its fully automated GoTo computerised mount with database of 40,000+ celestial objects automatically locates and tracks objects for you.

SkyAlign Technology

SkyAlign makes aligning a computerized telescope fast, easy, and accurate. Simply point at any three bright objects in the sky and the telescope aligns itself. From there, navigation and tracking is as easy as pushing a button.

Unique Single Fork Mount Design

Debate about the "best" telescope is nearly as endless as the Universe itself. But we know one thing quite well - the best telescope is the one you will use most often! That’s why Celestron’s engineers created NexStar SE’s unique, single fork arm mount. It’s perfectly portable and makes for quick and easy set up. The NexStar SE disassembles into several lightweight and compact pieces, making it easy to transport, even in small vehicles. You’ll have no problem getting the NexStar SE to your favorite observing site, or setting it up quickly at home.

Of course, it’s what’s inside the mount that really counts. Sturdy construction from high-quality components give the Celestron NexStar 6SE Telescope the pointing and tracking accuracy needed to observe and follow your favorite targets with push-button ease. Use the included NexStar+ hand control to locate over 40,000 celestial objects, or take a Sky Tour and let your telescope show you the best objects currently visible.

Advanced Features Let the Celestron NexStar 6SE Telescope Grow with You

The Celestron NexStar 6SE Telescope is compatible with all the high-tech accessories advanced users love. Provide GPS coordinates to your telescope with SkySync. If you want to explore the world of astroimaging, the 6SE is a perfect choice. Or, if you’re interested in imaging the Moon and planets, pair your NexStar 6SE with one of our ZWO planetary imaging cameras.

Celestron NexStar 6SE Telescope Specifications

Visit Celestron for Further Information

From your first observing session and for years to come, the Celestron NexStar 6SE Telescope is your trusted companion. For further information, including manuals and videos visit the Celestron website.

With a generous 8 inch aperture the Celestron NexStar 8SE Telescope provides excellent light-gathering ability at an affordable price. You’ll be thrilled with views of the Moon and planets, along with deep sky objects like the Orion Nebula while retaining a compact size. Its fully automated GoTo computerised mount with database of 40,000+ celestial objects automatically locates and tracks objects for you.

SkyAlign Technology

SkyAlign makes aligning a computerized telescope fast, easy, and accurate. Simply point at any three bright objects in the sky and the telescope aligns itself. From there, navigation and tracking is as easy as pushing a button.

Unique Single Fork Mount Design

Debate about the "best" telescope is nearly as endless as the Universe itself. But we know one thing quite well - the best telescope is the one you will use most often! That’s why Celestron’s engineers created NexStar SE’s unique, single fork arm mount. It’s perfectly portable and makes for quick and easy set up. The NexStar SE disassembles into several lightweight and compact pieces, making it easy to transport, even in small vehicles. You’ll have no problem getting the NexStar SE to your favorite observing site, or setting it up quickly at home.

Of course, it’s what’s inside the mount that really counts. Sturdy construction from high-quality components give the Celestron NexStar 8SE Telescope the pointing and tracking accuracy needed to observe and follow your favorite targets with push-button ease. Use the included NexStar+ hand control to locate over 40,000 celestial objects, or take a Sky Tour and let your telescope show you the best objects currently visible.

Advanced Features Let the Celestron NexStar 8SE Telescope Grow with You

The Celestron NexStar 8SE Telescope is compatible with all the high-tech accessories advanced users love. Provide GPS coordinates to your telescope with SkySync. If you want to explore the world of astroimaging, the 8SE is a perfect choice. Or, if you’re interested in imaging the Moon and planets, pair your NexStar 8SE with one of our ZWO planetary imaging cameras.

Celestron NexStar 8SE Telescope Specifications

The most user-friendly telescope ever
Celestron engineers designed NexStar Evolution 5 based on years of customer feedback. It offers many thoughtful design features that combine to provide you the best possible experience out under the stars.

Forget about batteries or an external power supply. For the first time ever on a consumer telescope, NexStar Evolution 5 includes its own built-in battery. With this ultra-long life lithium-iron phosphate battery, you’ll be able to enjoy stargazing marathons up to 10 hours on a single charge. You can even use NexStar Evolution’s 5 USB charge port to top off the other devices in your life that need to stay powered on during an observing session. An intelligent power management system senses when battery levels are low and goes into power-saving mode to keep your telescope running for as long as possible.

Setting up your NexStar Evolution 5 is quick and painless with large, ergonomic handles. The all-metal tripod features a metal accessory tray with indentations for storing and carrying the tripod. During setup, leg etchings help you achieve a level, uniform height for your telescope. Manual clutches in both altitude and azimuth offer greater flexibility to manually point the telescope when powered off. Store up to 7 eyepieces in 2 accessory trays, one with an adjustable red LED illuminator.

Superior tracking fit for astroimaging
If you’re interested in astroimaging, the 5-inch NexStar Evolution 5 is an excellent, affordable way to get started. It’s the only fork-mounted telescope in its price range that offers brass worm gears, along with improved motors. NexStar Evolution’s tracking accuracy is so impressive, you can capture images of deep-sky objects like the Orion Nebula by simply attaching your DSLR camera. As you progress in the hobby of astroimaging, you can add our HD Pro Wedge to achieve longer exposures for more detailed astrophotos. NexStar Evolution compatible with the wedge when used with the CPC tripod (sold separately).

Of course, the Schmidt-Cassegrain optical system offers bright, sharp views with StarBright XLT optical coatings—a great choice for visual observers and budding astroimagers alike.

NexStar Evolution is equipped with 4 auxiliary ports--2 on top of the fork and 2 on the bottom. A classic NexStar+ hand control is included, but is not necessary when using NexStar Evolution with the mobile app. The telescope also includes a StarPointer finderscope, two 1.25” Plossl eyepieces, a 1.25” star diagonal, and an AC adapter.

"5-star overall rating"
-BBC Sky at Night Magazine

The NexStar Evolution is the first Schmidt-Cassegrain telescope with integrated WiFi. Leave your hand control behind and slew to all the best celestial objects with a tap of your smartphone or tablet. Connect your device to NexStar Evolution’s built-in wireless network, and explore the universe with the Celestron mobile app for iOS and Android.

Use the planetarium interface to view the night sky in real time or display a list of celestial objects currently visible based on your time and location. Our proprietary SkyAlign alignment procedure is built right into the Celestron mobile app, so you’re ready to observe within minutes.

The Celestron NexStar Evolution 6 Telescope offers amateurs a powerful optical device which is not only portable, but provides phenomenal views of the universe. Like the original NexStar SE series, the Celestron NexStar Evolution 6 Telescope features the same high quality Schmidt-Cassegrain optics but benefits from the modern improvements including: a smooth computerized alt-azimuth mount, StarBright XLT optical coatings, and no-nonsense SkyAlign technology.

The true draw card is that the Celestron NexStar Evolution series are the first Schmidt-Cassegrain telescopes with integrated WiFi. You no longer need your hand controller to slew to all the best celestial objects. Instead you can explore the night sky with a tap of your smartphone or tablet. Connect your device to built-in Celestron NexStar Evolution 6 Telescope wireless network, and explore the universe with the free Celestron mobile app for iOS and Android. Enjoy the convenience of a planetarium interface to view the night sky in real time or display a list of celestial objects currently visible based on your time and location. Celestron's proprietary SkyAlign alignment procedure is built right into the Celestron mobile app, so you’re ready to observe within minutes.

Optional Solar Filter

Forget about batteries or an external power supply. For the first time ever on a consumer telescope, NexStar Evolution includes its own built-in battery. With this ultra-long life lithium-ion phosphate battery, you’ll be able to enjoy stargazing marathons up to 10 hours on a single charge. You can even use NexStar Evolution’s USB charge port to top off the other devices in your life that need to stay powered on during an observing session. An intelligent power management system senses when battery levels are low and goes into power-saving mode to keep your telescope running for as long as possible.

If you’re interested in astroimaging, the Celestron NexStar Evolution 6 Telescope is an excellent, affordable way to get started. It’s the only fork-mounted telescope in its price range that offers brass worm gears, along with improved motors. NexStar Evolution’s tracking accuracy is so impressive, you can capture images of deep-sky objects like the Orion Nebula by simply attaching your DSLR camera. As you progress with imaging, you can add the Evolution Equatorial Wedge allowing longer exposures than conventional alt-az tracking, for more detailed deep sky portraits.

Even if you don't own the NexStar Evolution 6 just yet, check out the Sky Portal app. Search for astronomical wonders you wish to discover, then go and find them! Choose from a seemingly endless database of planets, satellites, stars, Messier objects, constellations, meteor showers, and deep sky targets. Download yourself and try it out today - search for "Celestron Sky Portal" on Google Play or the Apple Store.

Celestron NexStar Evolution 6 Telescope - Specifications

Suggested Accessories

Visit Celestron for Further Information on the Celestron NexStar Evolution 6 Telescope

From your first observing session and for years to come, the NexStar Evolution is your trusted companion. For further information, including manuals and videos visit the Celestron website.

The NexStar Evolution is the first Schmidt-Cassegrain telescope with integrated WiFi. Leave your hand control behind and slew to all the best celestial objects with a tap of your smartphone or tablet. Connect your device to NexStar Evolution’s built-in wireless network, and explore the universe with the SkyPortal Powered by SkySafari™ mobile app for iOS and Android.

Use the planetarium interface to view the night sky in real time or display a list of celestial objects currently visible based on your time and location. Our proprietary SkyAlign alignment procedure is built right into the SkyPortal mobile app, so you’re ready to observe within minutes.

The most user-friendly telescope ever
Celestron engineers designed NexStar Evolution based on years of customer feedback. It offers many thoughtful design features that combine to provide you the best possible experience out under the stars.

Forget about batteries or an external power supply. For the first time ever on a consumer telescope, NexStar Evolution includes its own built-in battery. With this ultra-long life lithium-iron phosphate battery, you’ll be able to enjoy stargazing marathons up to 10 hours on a single charge. You can even use NexStar Evolution’s USB charge port to top off the other devices in your life that need to stay powered on during an observing session. An intelligent power management system senses when battery levels are low and goes into power-saving mode to keep your telescope running for as long as possible.

Setting up your NexStar Evolution is quick and painless with large, ergonomic handles. The all-metal tripod features a metal accessory tray with indentations for storing and carrying the tripod. During setup, leg etchings help you achieve a level, uniform height for your telescope. Manual clutches in both altitude and azimuth offer greater flexibility to manually point the telescope when powered off. Store up to 7 eyepieces in 2 accessory trays, one with an adjustable red LED illuminator.

Superior tracking fit for astroimaging
If you’re interested in astroimaging, the 8-inch NexStar Evolution is an excellent, affordable way to get started. It’s the only fork-mounted telescope in its price range that offers brass worm gears, along with improved motors. NexStar Evolution’s tracking accuracy is so impressive, you can capture images of deep-sky objects like the Orion Nebula by simply attaching your DSLR camera. As you progress in the hobby of astroimaging, you can add our HD Pro Wedge to achieve longer exposures for more detailed astrophotos. NexStar Evolution compatible with the wedge when used with the CPC tripod (sold separately).

Of course, the Schmidt-Cassegrain optical system offers bright, sharp views with StarBright XLT optical coatings—a great choice for visual observers and budding astroimagers alike.

NexStar Evolution is equipped with 4 auxiliary ports--2 on top of the fork and 2 on the bottom. A classic NexStar+ hand control is included, but is not necessary when using NexStar Evolution with the mobile app. The telescope also includes a StarPointer finderscope, two 1.25” Plossl eyepieces, a 1.25” star diagonal, and an AC adapter.

Celestron NexStar Evolution 8 Telescope - Specifications

Visit Celestron for Further Information on the Celestron NexStar Evolution 8 Telescope

From your first observing session and for years to come, the NexStar Evolution is your trusted companion. For further information, including manuals and videos visit the Celestron website.

The Celestron NexStar Evolution 9.25 Telescope offers amateurs a powerful optical device which is not only portable, but provides phenomenal views of the universe. Like the original NexStar SE series, the Celestron NexStar Evolution 9.25 Telescope features the same high quality Schmidt-Cassegrain optics but benefits from the modern improvements including: a smooth computerized alt-azimuth mount, StarBright XLT optical coatings, and no-nonsense SkyAlign technology.

The true draw card is that the Celestron NexStar Evolution series are the first Schmidt-Cassegrain telescopes with integrated WiFi. Leave your hand control behind and slew to all the best celestial objects with a tap of your smartphone or tablet. Connect your device to built-in Celestron NexStar Evolution 9.25 Telescope wireless network, and explore the universe with the free Celestron mobile app for iOS and Android. Use the planetarium interface to view the night sky in real time or display a list of celestial objects currently visible based on your time and location. Celestron's proprietary SkyAlign alignment procedure is built right into the Celestron mobile app, so you’re ready to observe within minutes.

Forget about batteries or an external power supply. For the first time ever on a consumer telescope, NexStar Evolution includes its own built-in battery. With this ultra-long life lithium-ion phosphate battery, you’ll be able to enjoy stargazing marathons up to 10 hours on a single charge. You can even use NexStar Evolution’s USB charge port to top off the other devices in your life that need to stay powered on during an observing session. An intelligent power management system senses when battery levels are low and goes into power-saving mode to keep your telescope running for as long as possible.

If you’re interested in astroimaging, the Celestron NexStar Evolution 9.25 Telescope is an excellent, affordable way to get started. It’s the only fork-mounted telescope in its price range that offers brass worm gears, along with improved motors. NexStar Evolution’s tracking accuracy is so impressive, you can capture images of deep-sky objects like the Orion Nebula by simply attaching your DSLR camera. As you progress with imaging, you can add the Evolution Equatorial Wedge allowing longer exposures for more detailed deep sky portraits.

Even if you don't own the NexStar Evolution 9.25 just yet, check out the Sky Portal app. Search for astronomical wonders you wish to discover, then go and find them! Choose from a seemingly endless database of planets, satellites, stars, Messier objects, constellations, meteor showers, and deep sky targets. Download yourself and try it out today - search for "Celestron Sky Portal" on Google Play or the Apple Store.

Celestron NexStar Evolution 9.25 Telescope - Specifications

Celestron NexStar RS 232 Cable

The Celestron RS-232 Cable connects your computerized telescope to a laptop or PC for control via various planetarium software programs.
Attaches to the computer’s serial port and the telescope’s hand control via a phone jack plug.
The Celestron NexStar RS-232 Cable is also necessary for flash upgrades to hand control software.
Cable is 1.5m long.
Please note many computers or laptops will not have a serial port. You will need to use a USB-to-Serial adapter in this instance.