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instruction Manual
®
orion
™
skyView Pro EQ Mount
#9829
customer support (800)‑676‑1343
E‑mail: support@telescope.com
corporate offices (831)‑763‑7000
89 Hangar Way, Watsonville, ca 95076
Providing Exceptional Consumer Optical Products Since 1975
IN 195 Rev. B 03/09
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Declination lock lever (opposite side) Right ascension lock lever (opposite side) Declination slow-motion control-knob Tube ring mounting plate Safety thumbscrew Mounting plate securing knob Right ascension slow-motion Counterweight shaft control knob Counterweights Latitude scale Latitude adjustment L-bolts Counterweight lock knobs Center support shaft Tripod support tray Tripod leg Leg lock knobs Figure 1. The SkyView Pro EQ Mount. 2
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Congratulations on your purchase of a quality Orion mount. 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. The setting circles built into the mount will assist you in locating hundreds of fascinating celestial denizens, including galaxies, nebulas,
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it by threading the securing knob all the way up the cen- ter support shaft until it is tight against the tray. The tripod support tray provides additional stability for the tripod, and holds up to five 1.25" eyepieces and two 2" eyepieces. 6. Thread the counterweight shaft into the equatorial mount at the base of the declination axis until tight. Make sure the casting at the top is threaded clockwise as far as it will go before attaching the shaft. Then turn the casting counter- a. b. cloc
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Dec. slow-motion control knob Dec. setting circle Dec. lock lever R.A. set- Front opening R.A. lock lever ting-circle R.A. slow-motion control knob Polar axis find- er-scope (optional) Latitude scale Latitude adjustment a. b. L-bolts Figure 4. The SkyView Pro Equatorial Mount, shown from both sides. 4. To balance the telescope on the declination axis, first tight- en the R.A. lock lever, with the counterweight shaft still in the horizontal position. Little Dipper (in Ursa Minor) 5. With one
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Eyepiece Alignment Objective Azimuth focus ring set-screws (3) lens adjustment knobs Focus lock ring Figure 6. For polar alignment, position the tripod so that the Figure 7a. The optional polar axis finder scope. "N" label at the base of the mount faces north. The azimuth fine adjustment knobs above it are used to make small adjustments to the mount’s azimuth position. Be certain to loosen the tripod attachment knob on the central support shaft before adjusting these knobs. 2. There are
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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. To do this, release the R.A. lock lever and rotate the main telescope around the R.A. axis until the reticle is oriented with sky. For larger optical tubes, you may need to remove the tube from the mount to pre
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That’s 5 hours and 35.4 minutes in right ascension, and -5 Dec. setting circle degrees and 27 arc-minutes in declination (there are 60 arc- Dec. indicator minutes in 1 degree of declination). arrows Dec. setting Before you can use the setting circles to locate objects, the circle mount must be accurately polar aligned, and the setting cir- R.A. setting thumbscrew cles must be calibrated. (2) circle calibrating the Declination setting circle R.A. setting circle 1. Loosen the Dec. lock l
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straight overhead. The counterweight shaft is still horizontal. Then retighten both lock levers. 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 counterweights 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. a. b. T
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one‑Year limited Warranty This Orion SkyView Pro EQ Mount is warranted against defects in materials or workmanship for a period of one year from the date of purchase. This warranty is for the benefit of the original retail purchaser only. During this warranty period Orion Telescopes & Binoculars will repair or replace, at Orion’s option, any warranted instrument that proves to be defective, provided it is returned postage paid to: Orion Warranty Repair, 89 Hangar Way, Watsonville, CA 95076.
