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Related Manuals for ORION TELESCOPES & BINOCULARS SkyView Deluxe 8 EQ 9408
Summary of Contents for ORION TELESCOPES & BINOCULARS SkyView Deluxe 8 EQ 9408
- Page 1 INSTRUCTION MANUAL Orion ® SkyView Deluxe 8" EQ ™ Equatorial Reflecting Telescope #9408 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...
- Page 2 Finder scope alignment screws (6) Eyepiece Finder scope Finder scope bracket Focuser Focus knob Secondary mirror holder Declination slow- Tube ring clamps motion control Tube ring Tube ring mount bolts Declination setting circle Primary mirror cell Declination lock lever (not visible) Spring-loaded collimation screws (3) Latitude lock lever...
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Page 3: Table Of Contents
ongratulations on your purchase of a quality Orion telescope . Your new SkyView Deluxe 8" 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
3. Assembly colored latitude scale is pointing to the hash mark at “40.” To do this, loosen the latitude lock lever (on the side of the mount opposite the gold latitude scale), and turn the lati- Assembling the telescope for the first time should take about 20 tude adjustment knob until the pointer and the “40”... -
Page 5: Getting Started
Figure 2. Proper operation of the equatorial mount requires that the telescope tube be balanced on both the R.A. and Dec. axes. (a) With the R.A. lock lever released, slide the counterweights along the counterweight shaft until they just counterbalance the tube. (b) When you let go with both hands, the tube should not drift up or down. - Page 6 Focusing the Telescope ments of the six finder scope alignment thumbscrews will be needed to get the finder scope roughly parallel to the main tube. Insert the low-power 25mm eyepiece into the focuser and secure with the setscrew. Move the telescope so the front NOTE: The image in both the finder scope and the main tele- (open) end is pointing in the general direction of an object at scope will appear upside-down (rotated 180°).
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Page 7: Setting Up And Using The Equatorial Mount
axis out into space. Stars in the Northern Hemisphere appear Declination (Dec.) to revolve around the NCP. setting circle To find Polaris in the sky, look north and locate the pattern of Polar axis finder scope Right the Big Dipper (Figure 6). The two stars at the end of the port (front), with cap ascension “bowl”... - Page 8 2. Remove the caps that cover the polar finder (one on the Optional Motor Drives for Automatic Tracking polar finder’s eyepiece and one on the front of the equa- An optional DC motor drive (Orion AccuTrack SVD, #7825) torial mount). Focus the polar finder by rotating its can be mounted on the R.A.
- Page 9 Figure 7. This illustration shows the telescope pointed in the four cardinal directions: (a) north, (b) south, (c) east, (d) west. Note that the tripod and mount have not been moved; only the telescope tube has been moved on the R.A. and Dec. axes. 2.
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Page 10: Collimating The Optics
an object that is nearer to the horizon than Polaris? You can’t observing session. Proper collimation of the 8" SkyView do it with the counterweight down as pictured in Figure 1. Deluxe’s optics is especially critical due the telescope’s short Again, you have to rotate the scope in R.A. - Page 11 tions for the time being. The secondary mirror should be centered in the field of view. If it isn’t, as in Figure 8b, it must be adjusted. (It helps to adjust the secondary mirror in a brightly lit room with the telescope pointed toward a bright surface, such as white paper or a wall.) If the secondary mirror is not centered in the focuser draw-...
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Page 12: Using Your Telescope-Astronomical Observing
Now, try tightening or loosening one of the spring-loaded col- out-of-focus circle, like the hole in a doughnut. If the “hole” limation thumbscrews one turn (Figure 13). Look into the appears off-center, the telescope is out of collimation. focuser and see if the secondary mirror reflection has moved If you try the star test and the bright star you have selected is closer to the center of the primary mirror reflection. - Page 13 adjust to more than a 40° temperature change, allow at least conditions permit. If the image you see is not crisp and one hour. steady, reduce the magnification by switching to a longer- focal-length eyepiece. As a general rule, a small but Let Your Eyes Dark-Adapt well-resolved image will show more detail and provide a more Don’t expect to go from a lighted house into the darkness of...
- Page 14 and light portions of the disk (called the “terminator”). A full E. The Stars Moon is too bright and devoid of surface shadows to yield a Stars will appear like twinkling points of light. Even powerful pleasing view. Make sure to observe the Moon when it is well telescopes cannot magnify stars to appear as more than a above the horizon to get the sharpest images.
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Page 15: Care And Maintenance
another suitably bright star near the bright star currently cen- appear on the tube, it will not harm the telescope. If you wish, tered in the finder. Keep in mind that the field of view of the you may apply some auto touch-up paint to the scratch. finder scope is 6°, so you should choose another star that is Smudges on the tube can be wiped off with a soft cloth and no more that 6°... -
Page 16: Specifications
just one time. Dry the mirror in a stream of air (a “blower 10. Suggested Accessories bulb” works great), or remove any stray drops of water with the corner of a paper towel. Water will run off a clean sur- AccuTrack SVD DC Motor Drive (#7825) face.
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