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Home > Celestron Product Lines > NexStar Evolution Series  >  Celestron NexStar Evolution 8 8" f/10 wireless go-to SCT Telescope - Telescope of the Year for 2016-2019, a "grab and go" scope with larger aperature.

Celestron NexStar Evolution 8 8" f/10 wireless go-to SCT Telescope - Telescope of the Year for 2016-2019, a "grab and go" scope with larger aperature.
Celestron NexStar Evolution 8 8" f/10 wireless go-to SCT Telescope
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Celestron NexStar Evolution 8 8" f/10 wireless go-to SCT Telescope - Telescope of the Year for 2016-2019, a "grab and go" scope with larger aperature.

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Your Price: CAD3,254.90
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Part Number:12091

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Simulate views with this scope and various eyepieces help
Best Telescope for Gadget Lovers: Celestron NexStar Evolution

Hailed “the coolest app-cessory in the galaxy” by Wired.com, NexStar Evolution isn’t just the Best Telescope for Gadget Lovers, it’s a game-changer for amateur astronomy. This Schmidt-Cassegrain telescope, available in 6”, 8” and 9.25” apertures, generates its own WiFi network, so you can control it wirelessly using your smartphone or tablet. SkyPortal, Celestron’s free app for iOS and Android, provides an intuitive, user-friendly experience under the stars. In addition to wireless telescope control, it also includes a full-featured planetarium with over 120,000 celestial objects and audio descriptions for hundreds of the most popular planets, galaxies, and nebulae.
As if communicating wirelessly with your phone wasn’t cool enough, NexStar Evolution offers other enhancements to make your stargazing experience seamless. It’s the first telescope with a built-in lithium ion battery with enough juice to power a 10-hour stargazing marathon. There’s also a USB port so you can tap into the battery to charge up your mobile device if it’s running low. With NexStar Evolution on the scene, stargazing will never be the same.

Astronomy Magazine reviewed the Evolution 8" and calls it the closest thing to a "grab and go" scope with larger aperature.   Read the review here.

Product Highlights
  • 203mm Schmidt-Cassegrain OTA
  • 2032mm 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
  • 40mm, 13mm Eyepieces, 90° Diagonal
  • Adjustable Stainless Steel Tripod
  • Rechargeable Battery, up to 10 Hour Runtime
The NexStar Evolution 8 203mm Schmidt-Cassegrain Telescope from Celestron 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 multi-coating system, light transmission is increased throughout the entire optical path with anti-reflection multicoated lenses, highly reflective multicoated mirrors, and 4-element rare-earth glass. 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 WiFi provides the connection to the app and expands the capabilities and functionality, including an expanded database to over 120,000 objects with detailed information on more than 200 of those objects. Second is the iconic 4-line 18-character NexStar computer controller. This is a wired piece of hardware with a database of over 40000 celestial objects plus several astronomical catalogs including the Messier and Caldwell. Whether using the controller or mobile device, the system can assist in properly aligning the scope, provide tours of the objects and events visible whenever and wherever the user if viewing, and allows for manual direction and slew control.

Designed for portability, the Evolution features a long life lithium-ion phosphate battery providing 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, a USB charging port, and the built-in WiFi. Manual clutches in both altitude and azimuth enable users to manually move and point the telescope when it's powered off.

Optical Performance
  • 203.2mm (8") aperture
  • f/10 focal ratio
  • 2032mm focal length
  • Crown optical glass primary mirror
  • StarBright XLT optical coatings: Multi-layer aluminum/SiO2 (quartz)/TiO2 (titanium dioxide)/Si02 (silicon dioxide) mirror coatings with flat reflectivity across the light spectrum for both astrophotography/astroimaging and visual observation
  • Multi-layer 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: 0.69 arcsec (Rayleigh); 0.57 arcsec (Dawes)
  • Secondary mirror obstruction: 2.5"; 9.77% by area
  • Fastar capability: Secondary mirror can be removed and a DSLR or imaging rig mounted in its place for fast wide-field astrophotography
NexStar Controller
  • Two-line, 16-character LCD display
  • 19 fiber optic backlit red LED buttons
  • Database of over 40000 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
Sky Portal App
  • Connect your smart device to the telescope via direct WiFi 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 to 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
Mount and Tripod
    Mount:
  • Motorized single-arm alt-azimuth fork mount
  • Altitude and azimuth clutches to manually point the telescope when it is powered off
  • Brass worm gears with steel ball bearings provides 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 USA, EU, UK, and AU plugs
    Tripod:
  • Stainless steel two-section legs
  • Adjustable-height accommodates a variety of
  • Spikes at the end of the legs provide a sure footing on soft or uneven ground
  • Tray keeps accessories and equipment safe and organized
  • No tools required to set up mount and tripod
Included Accessories
    Eyepieces:
  • 1.25" diameter barrel accept most filters
  • Anti-reflection multicoated glass
  • Fold down rubber eyecups for use with or without eyeglasses
  • 40mm eyepiece produces 51x magnification
  • 13mm eyepiece produces 156x magnification
    Diagonal:
  • 1.25" snout and eyepiece holder
  • 90° angle places head in comfortable position when OTA is pointed at or near the zenith
  • Star mirror diagonal corrects view horizontally, but not vertically
    Finder:
  • 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

Specifications

Alignment Procedures SkyAlign, 3-Star Align, Solar System Align
Aperture 203.2 mm
App Database Over 120,000 including 220 of the best deep sky and solar system objects
Communication Ports 1 hand control and 3 aux ports for optional accessories
Finderscope StarPointer
Focal Length 2032 mm
Focal Length of Eyepiece 1 40 mm
Focal Length of Eyepiece 2 13 mm
Focal Ratio 10
HIghest Useful Magnification 480x
Light Gathering Power (Comp... 843x
Limiting Stellar Magnitude 14
Lowest Useful Magnification 29x
Magnification of Eyepiece 1 51x
Magnification of Eyepiece 2 156x
Max Slew Speed 4 degrees per second
Mount Info: N.A.
Mount Type Single Fork Arm Altazimuth
Optical Coatings StarBright XLT
Optical Design Schmidt Cassegrain
Optical Tube Info: N.A.
Optical Tube Length 17 in
Power Requirements Internal battery included
Resolution (Dawes) 0.57 arc seconds
Resolution (Rayleigh) 0.69 arc seconds
Secondary Mirror Obstructio... 9.77%
Secondary Mirror Obstruction 2.5 in (64 mm)
Star Diagonal 1.25"
Total Telescope Kit Weight 40.6 lbs
Tracking Rates Sidereal, solar and lunar
Tripod Stainless Steel
USB Charge Port Yes

In the Box
Celestron NexStar Evolution 8 203mm f/10 Schmidt-Cassegrain GoTo Telescope
  • NexStar+ Hand Control (EQ)
  • StarPointer Finderscope
  • 13mm Eyepiece
  • 40mm Eyepiece
  • 90° Star Diagonal
  • Tripod with Accessory Tray
  • AC Adapter with US, EU, UK, and AU Plugs
  • Limited 2-Year Warranty
    • Based on Astronomy magazine’s telescope "report cards", scopes of this size and
    type generally perform as follows . . .
    No
    Great
    Good
    Very Good
    Good
    Yes
    No
    Yes
    Yes
    Yes

    WiFi Tips for NexStar Evolution

    Please note the following for the most reliable WiFi connection to the telescope:

    Areas with high WiFi traffic, such as large star parties or crowded public spaces, can potentially pose difficulties connecting to the telescope. Additionally, multiple smart devices and multiple WiFi telescopes in the same area can generate conflicting traffic. Follow these tips to maintain the most robust connection to your telescope.

     

    1. If you experience lag or connection problems in areas with high WiFi traffic - To minimize possible connection problems in high traffic areas, select a viewing site with minimal WiFi traffic. Numerous nearby devices with WiFi enabled can contribute to unwanted WiFi traffic. Disabling WiFi in nearby devices can improve connectivity to your telescope. Alternatively, high traffic areas may require the use of the included NexStar+ hand control instead of the SkyPortal app over WiFi. 
    2. If you experience conflicts when using multiple devices to control a telescope - If you have multiple smart devices, and have connected to the same WiFi telescope previously with them, then be careful of both devices unintentionally communicating to the telescope at the same time. For example, if you have previously used your smartphone to control the telescope and later use a tablet to control the same telescope, the smartphone may interfere with the telescope connection. We recommend “forgetting” the telescope WiFi network with any smart devices not currently in use.
    3. If you experience conflicts when multiple WiFi telescopes are in the same area - If you are using multiple WiFi telescopes and have connected to them with your smart device previously, we recommend “forgetting” the other telescopes/devices not currently in use. This way, you won’t accidentally connect to the other telescopes/devices. This is especially useful at a star party where more than one WiFi telescope may be in range.

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