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Having used the Celestron NexStar Evolution WiFi Telescope ourselves for several weeks now we can completely understand why the BBC Sky at Night Magazine Review has been so positive. It really is a joy to use and is very user friendly. The basics work equally well via the handset or a tablet, but we do like the fact that using the tablet alows the telescope to pick up location date and time automatically (as long as its enabled and available on your device) to speed the whole alignment process up.
Celestron Sky Portal
The Celestron Sky Portal App is based on the Excellent Sky Safari 4 and has an excellent and intuitive ‘tap and go’ user interface. It can thankfully be set to a night vision friendly red mode so is not too bright to use in the dark! and has a seachable database of objects and descriptions including a list of ‘tonight’s best’ objects.
The App is available on Android and iOS. For download links and more details just click the image on the right.
In day to day use we have found the ergonomics of NexSatr Evolution to be excellent too, especially the addition of extra handles on the mount base make lifting the telescope in and out of the box and general assembly easier too. Clutch releases on each axis, handy scales on the tripod legs and extra eyepiece holders all show that Celestron have listened to customers and have thought about real world use. Overall we think the Celestron NexStar Evolution is more than worthy of its 5 Star rating.
Celestrons NexStar Evolution 9.25 is the first Schmidt-Cassegrain telescope with integrated WiFi. allowing you to slew to all the best celestial objects with a tap of your smartphone or tablet. Connect your device to NexStar Evolutions 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. Celestron’s proprietary SkyAlign alignment procedure is built right into the mobile app, so can be ready to observe within a few minutes.
Celestron NexStar Evolution 9.25 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 9.25-inch Schmidt-Cassegrain optical tube 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
Celestron NexStar Evolution 9.25 Specifications
OPTICAL DESIGN: Schmidt-Cassegrain
APERTURE: 235 mm
FOCAL LENGTH: 2350 mm
FOCAL RATIO: 10
FOCAL LENGTH OF EYEPIECE 1: 40 mm
FOCAL LENGTH OF EYEPIECE 2: 13 mm
MAGNIFICATION OF EYEPIECE 1: 59x
MAGNIFICATION OF EYEPIECE 2: 180x
FINDERSCOPE: StarPointer
STAR DIAGONAL: 1.25″
MOUNT TYPE: Single Fork Arm Altazimuth
TRIPOD: Stainless Steel
POWER REQUIREMENTS: Internal Battery Included
HIGHEST USEFUL MAGNIFICATION: 555x
LOWEST USEFUL MAGNIFICATION: 34x
LIMITING STELLAR MAGNITUDE: 14.4
RESOLUTION (Rayleigh): 0.59 arc seconds
RESOLUTION (Dawes): 0.49 arc secons
LIGHT GATHERING POWER (Compared to human eye): 1127x
OPTICAL COATINGS: StarBright XLT
SECONDARY MIRROR OBSTRUCTION: 3.35 in (85 mm)
SECONDARY MIRROR OBSTRUCTION BY DIAMETER: 36%
SECONDARY MIRROR OBSTRUCTION BY AREA: 13%
OPTICAL TUBE LENGTH: 22 in
TOTAL TELESCOPE KIT WEIGHT: 46.6 lbs
MAX SLEW SPEED: 4 degrees per second
TRACKING RATES@: Sidereal, Solar and Lunar
ALIGNMENT PROCEDURES: SkyAlign, 3-Star Align, Solar System Align
COMMUNICATION PORTS: 1 hand control and 3 aux ports for optional accessories
APP DATABASE: Over 120,000 including 220 of the best deep sky and solar system objects
USB CHARGE PORT: Yes
Category: Cameras and Photography:Telescopes and Binoculars:Telescopes
Location: Tring
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