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Celestron NexStar Evolution 9.25" Schmidt-Cassegrain Telescope

  • Based on 171 reviews
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Style: 925 Telescope


Features

  • Control your telescope wirelessly from your iOS or Android smartphone or tablet with the free Celestron mobile app with planetarium interface and SkyAlign technology
  • Compact, portable Schmidt Cassegrain telescope with StarBright XLT optical coatings and Fastar compatibility
  • Computerized GoTo mount with high-performance worm gears and motors for improved tracking accuracy, along with reduced gear backlash
  • Rechargeable lithium-ion battery with enough power for 10 hours of continuous observing
  • Improved industrial design with manual clutches and integrated carry handles, plus the added convenience of two accessory trays and a USB charge port for your smart device

Description

Celestron's signature telescopes reach a new level with NexStar Evolution 9.25, 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.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-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.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.If you're interested in astroimaging, the 9.25-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 Pro HD Wedge to achieve longer exposures for more detailed astrophotos.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.

Brand: Celestron


Model Name: NexStar Evolution 9.25


Eye Piece Lens Description: Plossl


Objective Lens Diameter: 235 Millimeters


Telescope Mount Description: GoTo


Product Dimensions: 35.12"D x 28.5"W x 15"H


Focus Type: Manual Focus


Power Source: Battery Powered,Corded Electric


Finderscope: Reflex


Item Weight: 36 Pounds


Eye Piece Lens Description: Plossl


Mount: GoTo


Focus Type: Manual Focus


Power Source: Battery Powered,Corded Electric


Finderscope: Reflex


Compatible Devices: Smartphone, Tablet


Coating: StarBright XLT


Focal Length Description: 2350 millimeters


Field Of View: 10 Degrees


Zoom Ratio: 196


Objective Lens Diameter: 235 Millimeters


Item Dimensions D x W x H: 35.12"D x 28.5"W x 15"H


Item Weight: 36 Pounds


Exit Pupil Diameter: 23.5 Millimeters


Brand: Celestron


Model Name: NexStar Evolution 9.25


Global Trade Identification Number: 23


Manufacturer: Celestron International


UPC: 050234020923


Manufacturer Part Number: 12092


Model Number: 12092


Frequently asked questions

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Top Amazon Reviews


  • I'ts been about three months now and I am comfortable enough to write a fair review
Style: 925 Telescope
Okay. I'ts been about three months now and I am comfortable enough to write a fair review. First, the design is gorgeous and very portable. I purchased a very large Pelican case to transport it in and I take it around often to different sites. Dis-assembly and reassembly are a breeze and I am never afraid that I'm going to snap a bolt or break a leg. You can by vibration suppression pads but I so far haven't had the reason to do so. I can observe planets and nebula without deviation, the image is not shaky. I also take images with this scope and I so far have not had any blurry images. The alignment software worked the first time and every time. I did what Celestron instructed, pick three bright objects near three different cardinal directions and that was it. The manual control from the App works great too, I can use them without looking at my tablet and get exactly where I need to go. The App is wonderful by the way, but I'll review that on another day. My telescope arrived in perfect condition, no smudges, no compromise of the seal, no scratches no missing parts. No complaints. The finderscope isn't the best but it works every time for me, just line it up right. I can place it on a star perfectly and there it is, centered in the eyepiece. The images are beautiful. Not much else to say. I've seen nebula and planets and stars in my other telescopes but this scope is something else. I haven't dealt with Celestron customer service, can't attest to that. So far no problems, so I can't talk about the warranty. Will update if anything changes. UPDATE 6 years later! Boy, this telescope has been through the wringer. I've been caught in the rain, had fierce winds, had it jumble around in the back of a jeep and truck, had it out in crazy humidity and heat as well as bitter cold. The tripod has taken a beating after being assembled and disassembled so many times. At one point, the charging port of the motor caved in on itself and disappeared somewhere into the telescope. I was able to gently take it apart, find the female end, and continue charging/using the telescope without a hitch! It still has clear, crisp, incredible images. I have never had the suspicion of a breach; there has never been any moisture inside the aperture or any other reason to believe that the vacuum seal has failed. The mirror is still in great shape and I am thrilled with this investment. It impresses night after night. Highly recommend. ... show more
Reviewed in the United States on April 4, 2015 by axeman

  • I'd love to be able to write a positive review for ...
Style: 925 Telescope
I'd love to be able to write a positive review for this scope, but I haven't had the chance to use it. It arrived a little over two weeks ago and I was very excited to take it for a spin until I found out that one of the tripod screws for the mount was misaligned. Threading is perfectly fine, just doesn't line up with the holes on the mount. I contacted Celestron support and was very pleased to receive a reply email within 48hrs, but am still waiting for the RMA label to send it back for a replacement. This appears to be a good scope and the tripod and mount are quite substantial. Right now, however, it's a very large and expensive paper weight. ... show more
Reviewed in the United States on October 4, 2016 by Amazon Customer

  • Wi-Fi issues, with iPhone, not iPad
Style: 925 Telescope
I am disappointment with a 9 1/4 evolution telescope. Using iPhone, Wi-Fi connectivity to this telescope at 6 feet away will connect for 15 - 30 seconds then disconnects. If you are in the middle of slewing the telescope and lose connectivity, the slewing will continue until you power off the unit. Using my iPad seems to work with no issues, so far, both the iPad and iPhone are running the same up-to-date iOS version. ... show more
Reviewed in the United States on March 14, 2026 by Amazon Customer

  • Totally satisfied!
Style: 925 Telescope
If you like looking for stars, don't buy this scope. If you like looking at stars, buy this scope. Having purchased a $2k scope I went and purchased the $40 phone app (SkySafari Pro) that would let me get the most out of it. The Celestron app has a much (much) smaller database but it does include some audio content, if you are into that. Couple points. 1. If you download SkySafari make sure to delete the free Celestron app. I ran into problems with these apps conflicting. Save yourself some headache and commit to one or the other. 2. Alignment. I had trouble aligning the scope until I committed to three stars that formed a triangle and were easy to identify. I'm in the Northern hemisphere so those stars were Sirius, Regulus, and Betelgeuse. I have been using these stars and alignment works every time. 3. The red dot finder. I used the moon to align it. Loosen the clutches and manually center the scope on the Moon. Use the wheels on the RDF to align it to the Moon. Mine does not align to the center of the Moon. It's a little high and to the right. This actually works out pretty well. When I align to a star I just align the star the correct distance from the red dot. This way the star is never eclipsed by the red dot. Main thing is to be aware that your RDF may not perfectly align with the star but that will not matter. It's still usable and maybe preferable this way. 4. The light gathering ability of this scope is amazing. The Moon is blinding in the included 40mm eyepiece. It is sharp with 3d shadow detail. Jupiter is to bright for simple phone pictures through the eyepiece. 5. I purchased an 18mm Celestron X-Cel eyepiece and 2x barlow to get a sense of how I could push this scope. I put the barlow on the included 13mm eyepiece converting it to a 7.5 and the details on the moon were astonishing. I didn't think I would be able to use eyepieces in the 7mm range but for the Moon at least they put you right into the craters. 6. The tripod is solid stuff. The single arm and alt-azimuth is certainly a limitation. But the scope itself can be mounted on an equatorial mount if you ever want to do serious astro photography. Celestron really thought through what is needed for a great night of star viewing. Just fantastic. Totally satisfied. ... show more
Reviewed in the United States on March 22, 2016 by Jeremy Stark

  • Great Scope Great Scope
Style: 925 Telescope
Now that I've had the scope for several months I think it is time to write a review giving the "pros" and "cons". This scope is an upgrade from my 90mm Orion table top scope...so a REALLY big upgrade. Pros For its size the scope and mount are light and portable. This is not to say it is light...just lighter than anything else for the same size. The setup is really easy. Just put the scope on the mount and you are done. No counter weights or anything fancy. The alignment process is very easy as well. However, I would read the instructions first. I didn't and made things more difficult (but like any guy...who needs instructions!!). I use this scope in my front yard and have moderate light pollution but still get great views and imaging (I use the ZWO ASI 120MC). The attached images are what I've taken. It was windy the night I took the moons images so they are a little blurry but not bad. Cons On occasion the wireless connection between the scope and my IPad just stops. I have to completely restart and go through the alignment process again. Not a deal breaker as it doesn't happen a lot but when it does I'm not very happy. About the only negative for the scope really. Other The star alignment process is great as I mentioned. However, for those that buy the scope I would recommend one change. The instructions recommend putting a star in the middle of your eyepiece for alignment for 3 different stars. I have found for better alignment use a wide lens to get the star in view than change to a higher magnitude for better alignment. This has made a huge difference when slewing to hard to see targets like galaxies and nebulae. I can't wait to take this out to the desert and really get some dark skies. Of course, we have had cloudy nights every night I can go out. Mother Nature hates me! ... show more
Reviewed in the United States on September 8, 2015 Reviewed in the United States on September 8, 2015 by Kevin

  • Terrible
Style: 925 Telescope
Unit lost power three minutes after initial use. Initially charged for 8 hours, and successfully connected to SkyPortal on a new iPad. During the alignment process while paired with SkySense, the control arm went dead. I checked all connections, reset the system, and plugged back in over night. Still dead. Frustrating. ... show more
Reviewed in the United States on December 25, 2024 by Andrew Heyman

  • Nice and easy to set up and super simple to ...
Style: 925 Telescope
Nice and easy to set up and super simple to align. I had a C-11 10 years ago with dual fork arms and was therefore worried that the single fork arm design wasn't going to be stable enough, but it hasn't been a problem at all. I use a 2" diagonal and my eyepieces weigh a ton, but everything works great. I had read about issues with the wifi, and although I can't say I've never had a problem, 90% of the time it's been perfectly fine. The tripod is super sturdy also. It's really a joy to use! ... show more
Reviewed in the United States on January 17, 2017 by Alan Rockowitz

  • No telescope! At first on time is reason for bad score the scope is awsome.
Style: 925 Telescope
I bought on prime for 2 day shipping. I got the tripod and it flipped to delivered. Really disappointed because I wanted to use it tonight. Telescope showed up but not on time. The scope is 4.5 stars but the delivery was no good I paid extra buying on here to get it by the day amazon said.
Reviewed in the United States on May 26, 2024 by Johnathan Friess

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