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Celestron Nexstar Evolution 9.25 235mm F/10 Az Goto Schmidt-cassegrain Telescope

Product Code: ga84513
Availability: In Stock

$8,547.00 $12,307.68

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The Celestron NexStar Evolution 9.25 235mm f/10 AZ GoTo Schmidt-Cassegrain OTA & Mount is a powerful, portable, versatile, and user-friendly telescope that can be used for observing everything from the moon and planets to deep-sky objects like galaxies and nebulae. Using Celestron's proprietary StarBright XLT multicoating system, light transmission is increased through the entire optical path with anti-reflection multicoated lenses and highly reflective multicoated four-element rare-earth glass mirrors. While the focal ratio is a slow f/10, the scope's precision tracking system allows it to be a competent astrophotography/astroimaging platform for the moon and planets.

The Evolution comes with two ways to use and control it. The first is to simply download Celestron's free Navigator app for Android and iOS smartphones and tablets. The scope's Wi-Fi provides the connection to the app and expands its capabilities, including an expanded database of over 120,000 objects with detailed information on more than 200 of those objects. Second is the iconic 2-line 16-character NexStar+ computer controller. This is a wired piece of hardware with a database of over 40,000 celestial objects plus several astronomical catalogs, including the Messier and Caldwell. Whether using the controller or a mobile device, the system can assist in properly aligning the scope, provide tours of the objects and events visible whenever and wherever you're viewing, and allow for manual direction and slew control.

Designed for portability, the Evolution features a long-life lithium-iron phosphate battery that provides up to 10 hours of continual use on a single charge. The scope comes with an AC power supply with plugs for the US, EU, UK, and AU outlets. The battery powers the servo motors, auxiliary accessory ports, USB charging port, and built-in Wi-Fi module. Manual clutches in both altitude and azimuth enable you to manually move and point the telescope when it's powered off.

235mm Schmidt-Cassegrain OTA 2350mm Focal Length, f/10 Focal Ratio StarBright XLT Optical Coating System Wireless Control with iOS/Android App NexStar Computer Hand Controller Motorized and Computerized Fork Mount Multiple Automatic Alignment Systems 59x & 180x Eyepieces and 90° Diagonal Built-In Rechargeable Battery Stainless Steel Tripod with Tray

Key Specs
Optical Design	Schmidt Cassegrain
Aperture	235 mm / 9.3"
Focal Length	2350 mm
Focal Ratio	f/10
Eyepiece Barrel Diameter	1.25"
Type	Alt-Azimuth Single Fork
GoTo Capability	Yes
Weight	62.6 lb / 28.4 kg
Optical Tube Assembly
Optical Design	Schmidt Cassegrain
Aperture	235 mm / 9.3"
Focal Length	2350 mm
Focal Ratio	f/10
Eyepiece Barrel Diameter	1.25"
Diagonal	Star
Finderscope	Yes
Mounting	Dovetail
Optical Tube Dimensions	22 x 10.7" / 559 x 271.8 mm
Mount
Type	Alt-Azimuth Single Fork
GoTo Capability	Yes
Payload Capacity	25 lb / 11.3 kg
Tripod
Tripod Height Adjustment Range	49.0 to 65.0" / 124.5 to 165.1 cm
Material of Tripod	Stainless Steel
General
Wireless	Yes
Mobile App Compatible	No
Weight	62.6 lb / 28.4 kg
Packaging Info
Package Weight	46.5 lb
Box Dimensions (LxWxH)	33.5 x 22.5 x 17.5"

Large 235mm (9.25") f/10 aperture can be used for lunar, planetary, and deep-sky viewing
2350mm focal length produces a high magnification potential
Crown optical glass primary mirror
StarBright XLT optical coatings: Multilayer aluminum/SiO2 (quartz)/TiO2 (titanium dioxide) mirror coatings with flat reflectivity across the light spectrum for both astrophotography/astroimaging and visual observation
Multilayer MgF2 (magnesium fluoride) and HfO2 (hafnium dioxide) anti-reflective lens coatings
High-transmission water white glass corrector lens with 97.4% light transmission
Internal focusing mechanism
Resolution: 0.59 arcsec (Rayleigh); 0.49 arcsec (Dawes)
Secondary mirror obstruction: 3.35"; 36%: by diameter; 13% by area
Fastar capability: Secondary mirror can be removed and a DSLR or imaging rig mounted in its place for fast wide-field astrophotography

2-line, 16-character LCD display
19 fiber optic backlit red LED buttons
Database of over 40,000 celestial objects plus 100 user defined
Automatically slew to planets, stars, constellations, and a variety of catalogs
Camera control: For piggyback wide field or conventional astrophotography through the OTA, the controller can automatically trigger the shutter release to capture the image
Anti-backlash compensation programs out play between gears for more precise tracking
Tour Mode: Shows a selection of the most popular objects for the time and date you are observing
Constellation Tour: Allows the user to take a tour of all the best objects within a particular constellation
Alignment procedures: SkyAlign, Auto 2-Star, 1-Star, 2-Star, and Solar System
SkyAlign alignment: Takes minutes, with minimal effort or experience—point the telescope at three bright objects in the sky, and the telescope does the rest
Nine slew speeds: 4°/sec, 2°/sec, 1°/sec, 0.5°/sec, 2x, 4x, 8x,16x, and 32x
Sidereal, Solar, and Lunar tracking rates for observing the fast-moving moon, to slower-moving deep space subjects
RS-232 communication port allows for computer control
Flash updateable via the Celestron website

Database Details:

Solar system objects including the sun, moon, and planets
Named objects
Stars: Asterims, variable stars, double stars, named stars
Caldwell catalog
Messier catalog
NGC catalog
SAO catalog
Constellations

Connect your smart device to the telescope via direct Wi-Fi connection; no router required
Align and control the telescope from your device
App uses the device's camera and compass to determine location and what is available to see
Enjoy the same features as NexStar controller, but without wires
Expanded database of over 120,000 objects
Detailed information on over 200 popular objects including audio commentary, statistics, history, mythology, video, and pictures
Database includes: sun, moon, planets, star clusters, nebulae, galaxies, asteroids and comets, satellites, and the International Space Station
Simulate the night sky up to 100 years in the past or future to plan an upcoming observing session
Compass Mode: Hold device up to the night sky and identify objects such as stars, planets, and galaxies; zoom in to view fainter objects not visible to the naked eye
Night Vision Mode: Preserves night-adjusted vision
Listen to more than four hours of audio narration to learn the history, mythology, and science of astronomy and the night sky
Works as a stand-alone planetarium app
Free for Android or iOS mobile devices
Apple iOS 7.0 and later, or Android 4.0 and later

Motorized single-arm alt-azimuth fork mount
Integrated carry handle in arm enables safe and secure handling during setup and breakdown
Altitude and azimuth clutches to manually point the telescope when it is powered off
Brass worm gears with steel ball bearings provide smooth movement with reduced vibration
146mm diameter/180-tooth stainless steel worm wheels
Ports: One port for NexStar+ controller; one 5 VDC USB charging port for smartphones and small electronics; three auxiliary ports for optional accessories such as StarSense AutoAlign System
Runs on one internal rechargeable 9.6V, 4.5Ah lithium-iron phosphate (LiFePO4) battery
Includes power supply with US, EU, UK, and AU plugs

Eyepieces:

1.25"-diameter barrel accepts most filters
Anti-reflection multicoated glass
Fold-down rubber eyecups for use with or without eyeglasses
40mm eyepiece produces a low 59x magnification for viewing wide swaths of the night Sky or for lunar viewing
13mm eyepiece produces a powerful 180x magnification to make detailed planetary observations or splitting binary stars or viewing specific areas of deep space

Diagonal:

1.25" snout and eyepiece holder
90° angle places head in comfortable position when optical tube assembly is pointed at or near the zenith
Star mirror diagonal corrects view horizontally, but not vertically

Finderscope:

Projects a single red dot in line of sight
Unmagnified view ensures a wide field of view to make finding objects faster and star-hopping navigation easier

Related Questions and Answers

Q: 1. can u adapt 2" eyepiece to it?

A: Yes , of course Lumicon 1.25" Male to 2" Female Drop-In Eyepiece Adapter BH #LU125M2SA • MFR #LA1055 https://www.bhphotovideo.com/c/product/457656-REG/Lumicon_LA1055_1_25_Male_to_2.html

Q: 2. Is possible to connect to 220V voltage?

A: he scope comes with an AC power supply with plugs for the US, EU, UK, and AU outlets.

Q: 3. Can this telescope connect to a laptop or tablet so that others can see the images without needing to look through the eyepiece? If not, is there a telescope that does that you recommend?

A: Yes you can by attach a Telescope Imaging Cameras. A camera that will fit into the eyepiece and connect to a laptop via a USB cord. The camera is specific to a PC or a Mac.

Q: 4. need Manual to repair a Celestron Nexstar: is it available on-line?

A: Yes there is. Here is a link: http://bit.ly/2blTcYI

Q: 5. Do all of the tablet controlled wifi alignment and navigation features work equally well if the mount is placed on an equatorial wedge?

A: Yes the wi-fi features can be used when using an EQ wedge.

Q: 6. Does the item include a tripod?

A: No it does not. "OTA and mount" only

Q: 7. What is the AFOV on the included eyepieces?

A: On the 40mm eyepiece Apparent Field of View 43° Sorry could not find any information on the 13mm eyepiece.

Q: 8. Is the Celestron Starsense Autoalign compatible with the NexStar Evoluation 9.25?

A: Yes, the Celestron StarSense AutoAlign Telescope Alignment System (BH #CESSATAA • MFR #94005) is compatible with the Celestron NexStar Evolution 9.25 235mm f/10 AZ GoTo Schmidt-Cassegrain Telescope.

Q: 9. Do I need to also buy Starsense Autoalign to find stars with this?

A: You can purchase the StarSense with this Scope, however it is not necessary.

Q: 10. Is it good for long exposure photos of nebulae and galaxies even though it doesn't have aGEM mount?

A: The NexStar Evolution is probably the closest One can get to a Equatorial mount type astrophotography, due to its 146mm diameter/180-tooth stainless steel worm wheels.

Nicholas JB	21/08/2024
Had this for 1 year now. This scope has surprised me as to its quality, ease of use, transportablity and performance. Set up is well thought out, with both the tri-pod and mount being of sturdy construction and intuitive to use. Optics are fantastic, I am running a 2 inch visual back and explore scientific 2 inch lens. I use the sky portal app and iphone for the control. All works as it should. Blenheim, New Zealand 5

Charles	08/08/2024
This is my first telescope, and I have been impressed. It was easy to set up, and the skyalign three bright star alignment procedure is very easy. You just point the telescope at any three bright stars (you don't have to know what they are) and the telescope will figure it out and give you a good alignment for the rest of the night. I can put the system together and get aligned in less than 15 minutes. It is easy to use the hand-held controller to find objects in the sky. I was able to have a good time looking at the moon and deep sky objects on my first night of use. My one complaint is about the red dot starfinder. It was so far off line when I mounted it that it couldn't be aligned with the scope within the limits of the adjustment screws. I had to make shims with toothpicks to get the starfinder in close enough alignment that I could then use the alignment screws to achieve good alignment. Everything about this scope seems first rate except for the starfinder and its mount. I am very happy with my purchase. 5

Sean	03/08/2024
I've only been able to use the Celestron NexStar Evolution 8 once but so far I am very impressed with it. The main selling point for me was the 8 inch aperture, built-in rechargeable battery, and the manual clutches. Setting up the scope is extremely easy and the wifi feature is convenient and a nice option to have. Using Celestron's X-Cel LX 9mm and 12mm eyepieces, I viewed Jupiter and Saturn which were very sharp but getting perfect focus takes a little finessing. 5

Keith	02/07/2024
This scope has a fine level of sophistication and capabilities. The StarSense works as advertised and is quite accurate. I like some of my Tele Vue Panoptic eyepieces better than the two Celestron Plossl included eyepieces. I've only had it a few days but the bands and moons of Jupiter and Saturn's rings were very clearly visible, and impressive to my wife. The built-in wifi works fine with the free iPhone software or with the commercial SkySafari. I must admit I was a little apprehensive of B&H really having the scope, since everyone else had it on backorder and Celestron told me the next shipment was going to be in mid- to late-August, but sure enough, here it came on the date they promised. WOW! B&H will get more of my business in the future. 5

Robert	12/06/2024
This was my first real telescope. I spent about a year researching and started looking at much smaller scopes and slowly increased the aperture I was looking for. I settled on the celestron nexstar Evo 8 as My goal was to be able to see deep sky as well as planets. I have only used it a few times and alignment was a breeze and tracking worked well. I live in a suburban area with a lot of light polution and can only see a few dozen stars with the naked eye. I was able to see thousands more stars, resolve double stars, and see some star clusters without issue. The releaseable clutches is a great feature and allows use of the telescope without powering up the mount. I have plans to take this telescope to areas with much darker skis once the weather warms up. 5

Ken	06/04/2024
I had been trying to find the Celestron NexStar Evolution 8 scope in stock for two months. I contacted 5 dealers around the country and soon I found that B&H got them in stock so I immediately ordered one. Interesting how three dealers on the west coast and one in the midwest said they didn't know when they would have this scope in stock but B&H in New York had them. Plus free expedited FedEx two day shipping from New York to me in the Pacific Northwest! 5