User manual ORION TELESCOPES & BINOCULARS REVA SVP80MMED
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Manual abstract: user guide ORION TELESCOPES & BINOCULARS REVA SVP80MMED
Detailed instructions for use are in the User's Guide.
[. . . ] INSTRUCTION MANUAL
Orion SkyView Pro 80mm ED EQ
® TM
Equatorial Apochromatic Refractor Telescope #9884
Customer Support (800) 676-1343 E-mail: support@telescope. com
Corporate Offices (831) 763-7000
Providing Exceptional Consumer Optical Products Since 1975
P. O. A 12/03
Finder scope
Finder scope bracket
1/4"-20 Mounting block
Tube ring
Tube ring
Tube ring mounting plate Eyepiece Declination slow-motion control knob Declination lock knob 1. 25" Adapter Right ascension lock knob
Right ascension slow2" Star diagonal Focus knob motion control knob Counterweight shaft Counterweight
Latitude adjustment L-bolts
Counterweight lock knob "Toe saver"
Tripod support tray
Figure 1. The SkyView Pro 80mm ED EQ
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Congratulations on your purchase of a quality Orion telescope. Your new SkyView Pro 80mm ED EQ is an exceptional instrument for observing and imaging astronomical objects. The ED glass of the objective lens ensures you'll enjoy star, Moon, and planetary images with far less color distortion than seen in standard refractors. [. . . ] lock levers on the equatorial mount, so the telescope optical tube can move freely. setting circle thumb screws (see Figure 13); this will allow the setting circle to rotate freely. Finding Objects With the Setting Circles Now that both setting circles are calibrated, look up in a star atlas the coordinates of an object you wish to view. lock lever and rotate the telescope until the declination value from the star atlas matches the reading on the Dec. setting circle are positive when the telescope is pointing north of the celestial equator (Dec. = 0°), and negative when the telescope is pointing south of the celestial equator. lock lever and rotate the telescope until the right ascension value from the star atlas matches the reading on the R. A. Most setting circles are not accurate enough to put an object dead-center in the telescope's eyepiece, but they should place the object somewhere within the field of view of the finder scope, assuming the equatorial mount is accurately polar aligned. Use the slow-motion controls to center the object in the finder scope, and it should appear in the telescope's field of view. The setting circles must be re-calibrated every time you wish to locate a new object. Do so by calibrating the setting circles for the centered object before moving on to the next one. Beginners occasionally experience some confusion about how to point the telescope overhead or in other directions. In Figure 1 the telescope is pointed north as it would be during polar alignment. But it will not look like that when the telescope is pointed in other directions. setting circles.
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object that is directly overhead, at the zenith. Remember, once the mount is polar aligned, the telescope should be moved only on the R. A. lock lever and rotate the telescope on the right ascension axis until the counterweight shaft is horizontal (parallel to the ground). lock lever and rotate the telescope until it is pointing straight overhead. What if you need to aim the telescope directly north, but at an object that is nearer to the horizon than Polaris?You can't do it with the counterweight down as pictured in Figure 1. Again, you have to rotate the scope in right ascension so that the counterweight shaft is positioned horizontally. Then rotate the scope in declination so it points to where you want it near the horizon. [. . . ] Astrophotography can be enjoyable and rewarding, as well as frustrating and time-consuming. Start slowly and consult outside resources, such as books and magazines, for more details about astrophotography. Care and Maintenance
If you give your telescope reasonable care, it will last a lifetime. Store it in a clean, dry, dust-free place, safe from rapid changes in temperature and humidity. [. . . ]
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