ORION TELESCOPES & BINOCULARS SkyView Deluxe 4.5 EQ 9402 Instruction Manual
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ORION TELESCOPES & BINOCULARS SkyView Deluxe 4.5 EQ 9402 Instruction Manual

Equatorial reflecting telescope
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INSTRUCTION MANUAL
Orion
®
SkyView
Deluxe 4.5" EQ
™
#9402
Equatorial Reflecting Telescope
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 091 Rev. B 0199

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Summary of Contents for ORION TELESCOPES & BINOCULARS SkyView Deluxe 4.5 EQ 9402

  • Page 1 INSTRUCTION MANUAL Orion ® SkyView Deluxe 4.5" EQ ™ #9402 Equatorial Reflecting Telescope 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 091 Rev. B 0199...
  • Page 2 Finder scope Finder scope alignment screws (6) Finder scope bracket Secondary mirror and three-vane spider Eyepiece Focuser Focus knob Tube rings Tube ring mounting bolt Tube ring clamps Declination slow-motion control Declination setting circle Primary mirror cell Declination lock lever (not pictured) Collimation screws (3) (not shown) Latitude lock lever (not pictured)

  • Page 3: Table Of Contents

    ongratulations on your purchase of a quality Orion telescope. Your new SkyView Deluxe 4.5" EQ is designed for high-resolution viewing of astronomical objects. With its precision optics and equatorial mount, you’ll be able to locate and enjoy hundreds of fascinating celestial denizens, including the plan- ets, Moon, and a variety of deep-sky galaxies, nebulas, and star clusters.

  • Page 4: Assembly

    2. Assembly latitude of about 40°, i.e., so the pointer next to the gold- colored latitude scale is pointing to the hash mark at “40.” To do this, loosen the latitude lock lever (on the side of the Carefully open all of the boxes in the shipping container. Make mount opposite the gold latitude scale), and turn the lati- sure all the parts listed in section 1 are present.

  • Page 5: Aligning The Finder Scope

    1. Keeping one hand on the telescope optical tube, loosen that only fine adjustment of the alignment screws will be need- the R.A. lock lever. Make sure the Dec. lock lever is ed. Otherwise you’ll have to make coarser adjustments to the locked, for now.
  • Page 6 3. Loosen the Dec. lock lever and rotate the telescope optical tube If you do not have a clear view of Polaris from your observing until it is parallel with the R.A. axis. The pointer on the Dec. set- site, then you will not be able to use the polar axis finder ting circle should read 90°.

  • Page 7: Collimating The Optics (Aligning The Mirrors)

    Calibrating the Right Ascension Setting Circle shaft is positioned horizontally. Then rotate the scope in Dec. so it points to where you want it near the horizon. 1. Identify a bright star near the celestial equator and look up its coordinates in a star atlas. To point the telescope to the east or west, or in other direc- tions, you rotate the telescope on its R.A.

  • Page 8: Using Your Telescope-Astronomical Observing

    the secondary mirror toward the primary mirror. When the sec- out-of-focus circle, like the hole in a doughnut. If the “hole” ondary mirror is centered in the focuser drawtube (as in Figure appears off-center, the telescope is out of collimation. 4B), rotate the secondary mirror holder slightly side-to-side until the reflection of the primary mirror is as centered in the second- 7.
  • Page 9 Do You Wear Eyeglasses? “Seeing” and Transparency If you wear eyeglasses, you may be able to keep them on Atmospheric conditions vary significantly from night to night. while you observe, if your eyepieces have enough “eye relief” “Seeing” refers to the steadiness of the Earth’s atmosphere at to allow you to see the whole field of view.

  • Page 10: Care And Maintenance

    The Moon Deep-Sky Objects With its rocky, cratered surface, the Moon is one of the easi- Under dark skies, you can observe a wealth of fascinating est and most interesting targets to view with your telescope. deep-sky objects, including gaseous nebulas, open and glob- The best time to observe our one and only natural satellite is ular star clusters, and different types of galaxies.

  • Page 11: Specifications

    accumulating on the mirrors. Improper cleaning can scratch 9. Specifications mirror coatings, so the fewer times you have to clean the mir- rors, the better. Small specks of dust or flecks of paint have Optical tube: Steel virtually no effect on the visual performance of the telescope. Primary mirror diameter: 4.5"...
  • Page 12 Figure 4B. Secondary mirror centered under focuser tube, viewed through the collimating Eyepiece (as are the next two illustrations). Figure 4A. The view down the focuser tube of a Newtonian Figure 4C. Secondary mir- Figure 4D. Primary mirror reflector with eyepiece removed. In this example, the optical ror correctly aligned (tilted).

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