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Kansas Wind Power-W, 13569 214th Road, Holton, KS 66436       Phone: 785-364-4407,    Fax: 785-364-5123

                                     


 

 

 

NexStar 11 GPSNexStar 11 GPS


 

The NexStar 11 GPS is the culmination of years of engineering research and development delivering the ultimate instrument in Go-To technology and astro imaging.  This large aperture telescope with carbon fiber tube is the first instrument of its kind to boast an integrated Global Positioning System and electronic compass, combined with the NexStar system, which makes this the most advanced telescope on the market.

NexStar 11 GPS - #11053It’s so advanced that as you turn it on, the integrated GPS and compass system automatically pinpoints your exact location and points to your first alignment star.  No need to enter the date, time, longitude and latitude or even know the position of north.

Also new is our advanced database with filter limits that allows you to customize the many database object lists. With the "filter limits" feature the NexStar database will display only those objects that are above the horizon for your exact date, time and location. Or, if the seeing conditions are bad, you can filter out objects below a certain altitude above the horizon. So as you scroll through the database lists of objects, only objects within the altitude limits you set will be displayed on the hand control. No other telescope on the market offers this advanced and useful feature.

The NexStar 11 GPS is the most advanced, easiest to use telescope we've ever designed.  It's the ultimate large aperture, portable telescope.

NexStar 11 Specifications:

bulletCelestron Part Number for NexStar 11GPS: 11053

Optical:

bullet279mm (11") Diameter Schmidt-Cassegrain
bulletFocal Length of 2800mm
bulletFocal Ratio of f/10

Software:

bullet40,000+ Object Database
bulletStorage for Numerous User-Defined Objects
bulletDatabase Filter Limits for Creating Custom Object Lists

Electronics:

bulletComputerized Hand Control with Backlit, Dual Line Liquid Crystal Display (LCD).
bulletPermanent Periodic Error Correction - Permanently saves and plays back corrections to reduce periodic error to a minimum.
bulletDesignated Autoguider Port
bulletRS232 Compatible PC Port
bulletAuxiliary Ports for Add-on NexStar Accessories

Mechanical:

bulletDual aluminum fork arms with carrying handles and hand control receptacle.
bullet5.625" Precision Bronze Gear on Both Axes
bullet9.5" Friction Roller Bearing
bullet16 bit, 20 arc second Resolution
bulletFastar Compatible Optical Tube for F/2 CCD Imaging
bulletAdjustable Height Tripod
bulletTelescope Weight: 65 lbs.
bulletTripod Weight: 26 lbs.
bulletMade in the U.S.A.

NexStar 11 Includes:

bulletPremium 40mm (70x) 1¼" Plössl Eyepiece
bullet9x50 Finderscope
bulletStar Diagonal - 1¼"
bulletVisual Back - 1¼"
bulletAC Adapter
bulletAdjustable Height Heavy Duty Tripod
bulletComputer Hand Control for Go-To Tracking with over 40,000 Object Database
bulletRS-232 Port to Communicate with a PC
bulletNine Available Slew Speeds
NexStar 11 Data Ports
The NexStar 11 has multiple Data Ports for communication with personal computers and future smart accessories.
Equatorial Heavy Duty Wedge
Reducer/Corrector F/6.3
Car Battery Adapter
Eyepiece Filters
Photo Adapters
 
 

For other high quality Celestron accessories, please visit our Accessories Page.

Fastar

Celestron’s long history of being a leader in innovation began in the early 1960’s when it was the first to mass produce the Schmidt Cassegrain Telescope (SCT), known to all as the C8. Today, the term "C8" is synonymous with the SCT. Celestron was also the first to introduce a Schmidt Camera and a completely computer automated fork mounted telescope to the amateur astronomer. In keeping with this tradition of innovation, Celestron has designed multi-focus Fastar compatible SCT telescopes. In addition to using your telescope in the traditional photo/visual configurations, these telescopes are optimized for f/2 (f/1.95 with the C8 and f/2.1 with the NexStar 11 and CM1400) prime focus CCD imaging. Now, all Celestron worm driven 8", 11" and 14" Schmidt Cassegrain Telescopes are equipped with the Fastar compatible optical system, with removable secondary mirror, as a standard feature. You can easily convert Fastar compatible telescopes to f/2 prime focus use in a matter of seconds!

Fig. 1 Conventional SCT optical system Fig. 1
Fig. 2 Fastar configured optical system Fig. 2
Figure 1 on the top is the conventional SCT optical system. The Fastar configured optical system on the bottom, figure 2, uses a corrector lens assembly with a CCD camera placed at prime focus where the Cassegrain secondary mirror would be.

The Fastar lens assembly comes with the optical lens assembly, and protective holder for the secondary mirror while removed from the telescope. A rear cell counterweight to ensure proper balance when imaging at f/1.95 is also included with the 8" and 11" systems.

With the Fastar's f/2 focus, your telescope can provide a field of view larger than CCD systems twice its chip size and costing thousands of dollars more. Objects like M33 and the Veil Nebula, which were previously too large for the narrow fields of view of most commercial CCD's, will easily be seen with the Fastar system. The Fastar compatible C8 used at f/1.95 delivers a field of view 5 times wider than imaging at f/10 and requires exposure times that are 25 times shorter. No more spending valuable observing time trying to locate and frame deep-sky objects in a small field of view. Unguided track and accumulated images of 30 seconds or more capture deep sky objects in their full glory. It's like having a professional observatory in your own backyard!

 

Telescope specification using Fastar Lens Assembly

  C8 NexStar 11 CM-1400
Focal Length 400mm 587mm 747mm
F-Ratio F/1.95 F/2.1 F/2.1
Field of View*(arc min) 41 x 31 28 x 21 22 x 17

(degrees)

.68° x .52° .46° x .35° .37° x .28°

*Field of view when using the SBIG ST-237 CCD Camera with a 4.7mm x 3.6mm chip

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Last modified: 08/21/08 
Kansas Wind Power - W,  13569 214th Road, Holton, KS 66436   785-364-4407, 785-364-5123 fax All prices and specifications are subject to change without notice.