Celestron CGX Equatorial 800 HD Telescope Support and Manuals
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Popular Celestron CGX Equatorial 800 HD Telescope Manual Pages
EdgeHD Optics Manual - Page 9
...Model Specific)
2. Remove all visual accessories. (For the 11" and 14" tube you to the telescope and so you will be determining the exposure length manually. With your specific camera (i.e., Canon, Nikon, etc.). Look for a camera that is the need the Celestron... It is available in place. Second, the "B" or manual setting should NOT run off the battery.
Thread the T-Ring ...
EdgeHD Optics Manual - Page 10
...for your telescope.
2.
...telescope, and not touching it difficult to automatically change exposure time in place. Unfortunately, the camera/telescope combination alone does not provide enough magnification to the appropriate setting...inches in the telescope's field based ...Camera Model Specific)
3. Center the Moon in angular size because of the telescope to.... Focus the telescope by the high...
EdgeHD Optics Manual - Page 12
... expose your subjects photographically, you need to set your telescope.
4. Most 35mm SLR cameras offer through the telescope simultaneously. For this , use a cable release....Mount your guide star. Find a suitable guide star in the manual.
2.
Adjustments for specific information on polar aligning, see the Polar Alignment section earlier in the telescope field. Consult...
EdgeHD Optics Manual - Page 15
... during an observing session.
Figure 4-1 Rotate the collimation screw cover to clean your telescope, replace all lens covers once you may experience dew build-up on the corrector plate of...optics. However, if the telescope is on low setting) or by the Celestron repair department. If you won't have to manually track it. If dust has built up your telescope, you do not want ...
EdgeHD Optics Manual - Page 19
... photograph and guide simultaneously through to a specific plane, thus increasing contrast between various objects. The micro guide eyepiece produces 163 power with the C8 and 188 power with the Reducer/Corrector. The polarizing filter set limits the transmission of a guide star quite easy. This type of all Celestron accessories can be found on the Celestron telescope as a dust...
EdgeHD Optics Manual - Page 20
... THE DATE OF ORIGINAL RETAIL PURCHASE.
This warranty shall be responsible for any warranty service.
20 THE SOLE OBLIGATION OF CELESTRON UNDER THIS LIMITED WARRANTY SHALL BE TO REPAIR OR REPLACE THE COVERED PRODUCT, IN ACCORDANCE WITH THE TERMS SET FORTH HEREIN.
Parts or product for two years. Warranty outside of receipt. The Proper Return Authorization...
CGX EQ Mount and Tripod Manual - Page 5
... mount (for gear adjustment only). Box 1: 91530-1 CGX Equatorial Mount CGX Equatorial Mount Head 8mm Allen Wrench (captive in rear handle of current.
Introduction
Parts List
Warning
• Never look directly at the Sun with the naked eye or with your telescope to the eye.
• Never leave the telescope unsupervised. Internal heat build-up can fit...
CGX EQ Mount and Tripod Manual - Page 22
...defined values that the telescope will allow you to press the "0" key before returning to complete the final slew. This procedure records the offset error when the right ...telescope to slew beyond this option will not slew beyond the specified slew limit in every German equatorial mount. If this position (by looking at Get Axis Position under the Scope Setup menu.
Select the Set...
CGX EQ Mount and Tripod Manual - Page 26
... satisfactory to correct the interference by Celestron, is made shall become the property of any model or style telescope.
26 | ENGLISH All returns must be required to repair or replace any telescope mount covered by a written statement setting forth the name, address, and daytime telephone number of the owner, together with the instructions, may also have purchased this...
Whitepaper EdgeHD Optics - Page 3
... sharp images to provide a flat, coma-free focal plane. 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 optical design of four aplanatic telescopes with minimal vignetting. EdgeHD Series
Edge HD 800 Edge HD 925 Edge HD 1100
Edge HD 1400
FIGURE 1.
Whitepaper EdgeHD Optics - Page 4
... astronomical CCD camera. For example, we could replace either the spherical primary or secondary with the ...setting the field of view at a low cost. We were also concerned that by aspherizing the secondary, the resulting coma-free telescopes...Celestron EdgeHD As we wanted to offer a high-quality telescope at 42 mm in very large apertures or fast SCTs does spherochromism become a problem...
Whitepaper EdgeHD Optics - Page 7
...; In Celestron's SCT and EdgeHD telescopes, we added...telescope tracks across the field of the optical redesign, we center the corrector plate.
This seemingly small mechanical change guarantees precise optical centration. During assembly and testing, we also redesigned key mechanical components. In the EdgeHD, small, tight star images are set for one support...affected. As part of view...
Whitepaper EdgeHD Optics - Page 8
... telescope will not only perform well for highpower planetary viewing, but allows the free passage of the baffle tube locking nut. Celestron applies more than forty years of experience in each set ...are small and sharp to make Celestron's corrector plates. In the classic SCT, air can enter through the open baffle tube. Our tight specifications and repeated, careful testing guarantee that...
Whitepaper EdgeHD Optics - Page 13
..., but they also hold your CCD camera. A 20mm T-mount Extension Tube, available from many astronomy retailers, will need to guide the telescope. It uses 1×32 tpi threads with Celestron EdgeHD Telescopes
EdgeHD
EdgeHD 800
EdgeHD 925
EdgeHD 1100
EdgeHD 1400
Aperture Focal Ratio Focal Length
203.2mm ƒ/10.456 2125mm
235mm ƒ/9.878...
Whitepaper EdgeHD Optics - Page 17
...central 28mm area, the size of an APS-C chip in many popular digital SLR cameras. The Celestron EdgeHD 17 Off-axis, its optics for the best results. Portability and affordability are strongly concentrated inside...-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.
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