User manual ORION TELESCOPES & BINOCULARS SVP EQMOUNT 9829

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Manual abstract: user guide ORION TELESCOPES & BINOCULARS SVP EQMOUNT 9829

Detailed instructions for use are in the User's Guide.

[. . . ] INSTRUCTION MANUAL Orion® SkyView ProTM EQ Mount #9829 Customer Support (800)-676-1343 E-mail: support@telescope. com Corporate Offices (831)-763-7000 Providing Exceptional Consumer Optical Products Since 1975 P. O. B 03/06 Declination lock lever (opposite side) Right ascension lock lever (opposite side) Declination slow-motion control-knob Safety thumbscrew Mounting plate securing knob Tube ring mounting plate Counterweight shaft Counterweights Right ascension slow-motion control knob Latitude scale Latitude adjustment L-bolts Counterweight lock knobs Center support shaft Tripod support tray Tripod leg Leg lock knobs Figure 1. Your new SkyView Pro Equatorial Mount was developed to work with many different telescope optical tubes. Designed for astronomical use, this precision mount allows convenient "tracking" of celestial objects as they move slowly across the sky, so they remain within your eyepiece's field of view. [. . . ] Be certain to loosen the tripod attachment knob on the central support shaft before adjusting these knobs. Figure 7a. lock lever and rotate the optical tube on the declination axis so that the tube is at a 90° to the right ascension axis (Figure 8). Look through the polar finder at a distant object (during the day) and center it in the crosshairs. You may need to adjust the latitude adjustment L-bolts and the tripod position to do this. Again, it may be convenient to remove the counterweights and optical tube first. If not, then look through the polar finder while rotating the mount about the R. A. You will notice that the object you have previously centered moves in a circular path. Use the three alignment setscrews on the polar axis finder to redirect the crosshairs of the polar finder to the apparent center of this circular path. Repeat this procedure until the position that the crosshairs point to does not rotate off-center when the mount is rotated in R. A. Once this is accomplished, retighten the thumbscrews. 6 Cassiopeia and the Big Dipper in the reticle. They do not appear in scale, but they indicate the general positions of Cassiopeia and the Big Dipper relative to the north celestial pole (which is indicated by the cross at the center of the reticle). Rotate the reticle so the constellations depicted match their current orientation in they sky when viewed with the naked eye. For larger optical tubes, you may need to remove the tube from the mount to prevent it from bumping into the mount. Once the reticle is correctly oriented, use the right ascension lock lever to secure the mount's position. Now use the azimuth adjustment knobs (Figure 2) and the latitude adjustment L-bolts (Figure 4) on the mount to position the star Polaris inside the tiny circle marked "Polaris" on the finder's reticle. You must first loosen the knob underneath the equatorial mount on the center support shaft to use the azimuth adjustment knobs. Once Polaris is properly positioned within the reticle, you are precisely polar aligned. The optical tube must be at a 90° angle to the right ascension axis in order to view through the polar axis finder If you do not have a clear view of Polaris from your observing site, you will not be able to use the polar-axis finder to precisely polar align the telescope. Note: From this point on in your observing session, you should not make any further adjustments in the azimuth or the latitude of the mount, nor should you move the tripod. The telescope should be moved only about its right ascension and declination axes. Use of the Right Ascension and Declination Slow-Motion Control Knobs The right ascension (R. A. ) and declination (Dec. ) slowmotion control knobs allow fine adjustment of the telescope's position to center objects within the field of view. Before you can use the knobs, you must manually "slew" the mount to point the telescope in the vicinity of the desired target. [. . . ] The key things to remember when pointing the telescope are that a) you only move it in right ascension and declination, not in azimuth or latitude (altitude), and b) the counterweight and shaft will not always appear as it does in Figure 1. This illustration show the telescope pointed in the the four cardinal directions (a) north, (b) south, (c) east, (d) west. Note that the tripod and mount have ot been moved; only the telescope tube has been moved on the R. A. Specifications Mount: German equatorial Tripod: Aluminum Weight: 29 lbs. [. . . ]

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