Celestron NexStar 8SE Computerized Telescope
Celestron NexStar 8SE Computerized Telescope
- 203mm Schmidt-Cassegrain Telescope
- 2032mm Focal Length, f/10 Focal Ratio
- StarBright XLT Optical Coating System
- Single-Fork Motorized GoTo Alt-Az Mount
- 25mm Eyepiece and StarPointer Finder
- SkyAlign Alignment Technology
- NexStar+ Computer Hand Controller
- 40,000+ Object Database with Sky Tours
- Stainless Steel Tripod
Celestron’s signature orange-tube telescope combines advanced features and excellent optics in one easy-to-use system, the NexStar 8SE. It’s the perfect choice for your first serious telescope, offering impressive views at an economical price.
Our Founder’s Vision, Reimagined for the 21st Century
In the 1970s, the classic Celestron 8 brought the hobby of astronomy to the masses and established Celestron as the world’s premier telescope maker. Our founder, Tom Johnson, invented Celestron’s proprietary method of producing Schmidt corrector plates for superior views and maximum portability. Johnson believed in creating high-quality optical instruments at an affordable price, and inspired a generation of amateur astronomers.
Four decades later, we’ve improved upon this design by adding cutting-edge features, while staying true to our founder’s intent.
Big Mirror, Small Price
With a full 8 inches of aperture, the 8SE reveals details in even the faintest celestial objects. With this much light-gathering ability, you’ll clearly observe Cassini’s Division in Saturn’s rings, the cloud bands on Jupiter, and the Great Red Spot. Beyond the solar system, your 8SE will show you hundreds of pinpoint stars in the Hercules Globular Cluster, the spiral arms of the Whirlpool Galaxy, and more. And don’t forget the Moon—you’ll see craters and geographic features like never before.
Revolutionary Single Fork Arm Mount
We know the best telescope is the one you will use most often. That’s why Celestron’s engineers created NexStar SE’s unique, patented single fork arm mount. It’s perfectly portable and makes setup quick and easy. What’s more, the NexStar SE breaks down 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 in your backyard.
Of course, it’s what’s inside the mount that really counts. Sturdy construction from high-quality components give NexStar SE the pointing and tracking accuracy needed to observe and follow your favorite targets with pushbutton 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.
Aligning your telescope is simple and painless, too, thanks to SkyAlign. This process makes alignment as easy as 1-2-3: just center three bright objects in your eyepiece and press ALIGN. For even easier alignment, attach our StarSense AutoAlign and your NexStar SE aligns itself!
Advanced Features Let the NexStar SE Grow with You
The NexStar SE is compatible with all the high-tech accessories advanced users love. Control your telescope using your iPhone or iPad with our SkyQ Link, or add GPS functionality with SkySync.
If you’re interested in astroimaging, the NexStar SE is Fastar-compatible for ultra-fast, wide field imaging. For planetary imaging, there’s no better choice than a NexStar 8SE paired with one of our Skyris cameras. From your first observing session and for years to come, the NexStar SE is your trusted companion.
Performance
- 8" (203.2mm) 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) 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"; 31% by diameter; 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+ Computer Controller
- 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 optical tube assembly, 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 you 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: 5°/sec, 3°/sec, 1°/sec, 2x, 4x, 8x, 16x, 32x, and 64x
- Sidereal, Solar, and Lunar tracking rates for observing the fast-moving Moon, to slower-moving deep-space subjects
- Tracking modes: Alt-Az, EQ North, EQ South, Off (no tracking when using as a terrestrial spotting scope)
- RS-232 communication port allows for computer control
- Flash updatable via the Celestron website
- 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
Mount & Tripod
- Single-fork alt-az
- Dual-axis servo motors allow for precise tracking with virtually no vibration
- Motor resolution: 0.26 arcsec
- Optical encoders track mount movement to improve tracking and GoTo accuracy while allowing the mount to maintain alignment when moved manually
- Communication ports: Autoguider port, Aux port, hand controller
- Runs on eight user-supplied AA batteries or optional 12 VDC power supply
- Stainless steel legs
- Adjustable height accommodates a variety of observation positions or users
- Tray holds accessories such as eyepieces and filters and adds stability and vibration reduction
- Weight: 10 pounds
Included Accessories
- 1.25"-diameter barrel
- 25mm focal length produces 81x magnification
- Anti-reflection multi-coated glass improves color rendition and contrast
- Threaded barrel accepts most 1.25" astronomical filters
- Fold-down rubber eyecup for use with or without eyeglasses
- 33' field of view at 1000 yards
- 1.25" input and output accepts most 1.25" astronomical eyepieces and accessories
- 90° angle puts head in a comfortable position when observing at or near the zenith
- Corrects view horizontally, but not vertically
- 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
In the Box
- Celestron NexStar 8SE 203mm f/10 Schmidt-Cassegrain GoTo Telescope
- Celestron's StarPointer Finderscope
- 25mm Eyepiece
- 90° Star Diagonal
- Tripod with Accessory Tray
Celestron 8SE Specs
| Optical Design | Schmidt Cassegrain |
| Aperture | 203 mm / 8" |
| Focal Length | 2032 mm |
| Focal Ratio | f/10 |
| Focuser | Internal |
| Eyepiece Barrel Diameter | 1.25" |
| Diagonal | 90° Star |
| Finderscope | Yes |
| Optical Tube Dimensions | Length: 17" / 43.2 cm |
| Type | Motorized; Alt-Azimuth Single Fork |
| GoTo Capability | Yes, NexStar |
| Type | Adjustable |
| Material of Tripod | Stainless Steel |
| Batteries | 8 x AA |
| GPS | No |
| Wi-Fi | No |
| Weight | 4.5 kg (Tripod) 15 kg (Fully Assembled) |
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