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Summary of Contents for Orion 9019
- Page 1 INSTRUCTION MANUAL Orion ® EQ-2 Equatorial Mount #9019 Customer Support (800) 676-1343 E-mail: support@telescope.com Corporate Offices (831) 763-7000 P.O. Box 1815, Santa Cruz, CA 95061 Providing Exceptional Consumer Optical Products Since 1975 IN 115 Rev.A 0499...
- Page 2 Dec. lock knob R.A. lock knob (hidden) Counterweight lock Dec. slow-motion control thumbscrew Counterweight R.A. slow-motion control Counterweight shaft Latitude adjustment t-bolt Latitude lock t-bolt Azimuth lock knob Accessory tray bracket Accessory tray Leg lock thumbscrew Figure 1. EQ-2 Equatorial Mount parts diagram...
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Page 3: Table Of Contents
Orion product. Your new Orion EQ-2 Equatorial Mount was designed to work with many different telescope optical tubes. Designed for astro- nomical use, this precision mount allows convenient manual “tracking” of celestial objects as they move slowly across the sky, so they remain within your eyepiece’s field of view. -
Page 4: Attaching A Telescope
Suggested Accessories at the end of these instruc- the Dec. axis. Before clamping the rings tight again, tions, or check the Orion print or online catalogs for rotate the telescope so the eyepiece is positioned at currently available mounting accessories. -
Page 5: Setting Up And Using The Equatorial Mount
Tracking and Astrophotography nate to have a bright star so near the south celestial An optional DC motor drive (EQ-2M, Orion part #7827) pole (SCP). The star Sigma Octantis lies about 1 can be mounted on the R.A. axis of the EQ-2 equatori- degree from the SCP, but it is barely visible with the al mount to provide hands-free tracking. - Page 6 So, the coordinates for the Orion Nebula listed in a star is accurately polar-aligned. The R.A. setting circle atlas will look like this: should be recalibrated every time you wish to locate a R.A.
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Page 7: Specifications
I.D. 3.9": Orion part #7371 I.D. 4.6": Orion part #7372 I.D. 5.5": Orion part #7373 EQ-2M Motor Drive (Orion part #7827) This is a small electric motor that attaches to the equa- torial mount. It turns the gear on the R.A. axis at the same rate the Earth rotates on its axis, thereby follow- ing, or “tracking,”... - Page 8 Figure 2a. Balancing the telescope with respect to the Figure 2b. Telescope is now balanced on the R.A. axis. That is, R.A. axis by sliding the counterweight along its shaft. when hands are released, counterweight shaft remains horizontal. Figure 2c. Preparing the telescope to be balanced on Figure 2d.
- Page 9 Declination (Dec.) setting circle R.A. lock knob Right ascension (R.A.) setting circle Declination (Dec.) slow-motion Right ascension control (R.A.) slow-motion control Latitude adjustment t-bolt Latitude locking Azimuth adjustment knob t-bolt Latitude scale Figure 3. The equatorial mount Little Dipper (in Ursa Minor) N.C.P.
- Page 10 Figure 5a. Telescope pointing south. Note that in all Figure 5b. Telescope pointing north. these illustrations, the mount and tripod remain stationary; only the R.A. and Dec. axes are moved. Figure 5c. Telescope pointing east. Figure 5d. Telescope pointing west. Figure 5.
- Page 11 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. If the product is not registered, proof of purchase (such as a copy of the original invoice) is required.
- Page 12 Orion Telescopes & Binoculars Post Office Box 1815, Santa Cruz, CA 95061 Customer Support Help Line (800) 676-1343 • Day or Evening...