Celestron CGX Equatorial 800 HD Telescopes Support and Manuals
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EdgeHD Optics Manual - Page 19
... set limits the transmission of a guide star quite easy. A small portion, however, is used for uniform density and good ...Celestron telescope.
This device allows you to the guiding eyepiece. T-Adapter (with the exception of guiding produces the best results since what you to attach your SLR camera to enhance your views of your telescope. T-Ring - Celestron has 8 different models...
CGX EQ Mount and Tripod Manual BW - Page 10
... mount's internal switches will take the mount to its home position when you power it before this step.
1. For best alignment results, choose Two Star Align and press ENTER. Basic Usage
With your location.
• If you choose Custom Site, you can still manually position it on (more on that in the Hand Control Plug the...
CGX EQ Mount and Tripod Manual BW - Page 16
...customize certain features of slewing to the alignment stars for centering and alignment, the telescope bypasses this step and simply models...and press ENTER. NOTE: The Set Language feature may also initiate it...best possible full-sky pointing accuracy, your new hand control. P ress ENTER to align the telescope. Finally, you can use your computerized mount automatically filters and chooses...
CGX EQ Mount and Tripod Manual - Page 10
... Port. Figure 7 Telescope in the home position
Alignment
Prerequisite: The mount must be powered by the supplied car battery adapter to a 12VDC battery source that delivers 12VDC and 4 amperes of your location.
6. Once the location is pointing along the polar axis of the Aux ports. You can also choose from Celestron. The Scroll buttons...
CGX EQ Mount and Tripod Manual - Page 26
... are designed to abuse, misuse, mishandling or unauthorized repair. CELESTRON TWO YEAR LIMITED WARRANTY
A. Celestron warrants your telescope mount contact:
Celestron Customer Service Department 2835 Columbia Street Torrance, CA 90503 Tel. 800.421.9649 Monday-Friday 8AM-4PM PST
B. Celestron will not occur in the specific country. Call Celestron at (310) 328-9560 to receive the number...
Whitepaper EdgeHD Optics - Page 2
...-Cassegrain telescope (SCT) manufactured by master opticians. The EdgeHD offers clean, diffraction-limited images for high power observation of manufacture without compromising optical performance. Optically, we wanted to leverage Celestron's proven ability to create a flexible imaging platform at a consumer-friendly price point.
A skilled optician in 8-, 9.25-, 11-, and 14-inch...
Whitepaper EdgeHD Optics - Page 3
... sharp images to provide a flat, coma-free focal plane. EdgeHD Series
Edge HD 800 Edge HD 925 Edge HD 1100
Edge HD 1400
FIGURE 1. Celestron's EdgeHD series consists of each instrument has been individually optimized to the edge of the view with 8-, 9.25-, 11-, 14-inch apertures. The Celestron EdgeHD 3 The optical design of four aplanatic telescopes with minimal vignetting.
Whitepaper EdgeHD Optics - Page 6
... field, the EdgeHD's images have proven to guarantee good images across the field of the image, star images become quite enlarged. If you want high-quality images across the entire field of the image captured by coma. That's what you can , in focus. and 14-inch telescopes. a positive distance mean -square radius of the...
Whitepaper EdgeHD Optics - Page 8
...tight specifications and repeated, careful testing guarantee that opticians expect when they are small and sharp to prevent the build-up of the field. FIGURE 6.
FIGURE 5. Telescope tubes...In a 14-inch coma-free SCT, the smallest off -axis; Celestron applies more than forty years of experience in shaping, polishing, and testing astronomical telescope optics to make Celestron's corrector...
Whitepaper EdgeHD Optics - Page 9
...Figure 9) ensures that might miss zonal errors. With the corrector lens still on ...through interferometric measurement to assure that a master set shows any lint, dust, or air ... block, pull them into kinematic support jigs, and we would have ...14-inch uses N-SK2 and N-BALF2 glasses.
When the interference fringes indicate the radius is within specification. The 8-, 9.25-, and 11-inch...
Whitepaper EdgeHD Optics - Page 10
... was a 14-inch EdgeHD on a CGE Pro Mount; The mage above shows a 21.5×29.8mm section cropped from center to focus clean, neat, round star images from the original 36.8mm square image. 10 I The Celestron EdgeHD After all the testing is done, the ultimate test is the night sky. The telescope was...
Whitepaper EdgeHD Optics - Page 14
... planets.
14 I The Celestron EdgeHD for the 14-inch, item #94240. (The newly-released EdgeHD 800 Focal Reducer is item #94242.)
The reducer lens attaches directly to make images with a quality Barlow lens. For those who wish to the 3.290×16 tpi threaded baffle tube lock nut on the back of these EdgeHD telescopes. (For...
Whitepaper EdgeHD Optics - Page 16
... factors at play are fleeting. The black circle represents the diameter of good seeing become particularly valuable. It is concentrated into a smaller area in the...telescope
• The "seeing" quality during exposure
• The guiding accuracy during exposure
To aid astroimagers, this size will capture most observing sites. Airy Disk and Seeing Blurs
14-inch 11-inch 9.25-inch 8-inch...
Whitepaper EdgeHD Optics - Page 17
...limited over a field larger than the full Moon.
Celestron EdgeHD 800 Celestron EdgeHD 800
On-axis, the spots show that the 8-inch EdgeHD is diffraction-limited in blue light.
Although for...for imaging). The Celestron EdgeHD 17 Off-axis, its optics for the best results. Portability and affordability are strongly concentrated inside the Airy disk, the 8-inch EdgeHD is diffractionlimited ...
Whitepaper EdgeHD Optics - Page 20
We have seen excellent results when the 14-inch EdgeHD is a massive telescope, well suited to make images not possible with a KAF-16803 CCD camera ... its full resolution only on the finest nights.
Relative illumination is diffraction-limited over a 50mm circle. Celestron EdgeHD 1400
Celestron EdgeHD 1400
In the matrix spot diagrams, note the tight cluster of rays in green light, and ...
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