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Related Manuals for Orion SkyView Deluxe 90mm 9401
Summary of Contents for Orion SkyView Deluxe 90mm 9401
- Page 1 MAnuAl Orion ® SkyView Deluxe 90mm ™ #9401 Equatorial Refracting 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 093 Rev. A 0998...
- Page 2 Objective lens Dew shield Tube rings Tube ring clamps Finder scope Tube ring mounting bolt Finder scope bracket Declination setting circle Finder scope alignment screws (6) Declination lock lever (not pictured) Eyepiece Latitude lock lever (not pictured) Star diagonal Counterweight shaft Focus knob Counterweight Declination slow-motion control...
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Page 3: Table Of Contents
Learn to recognize the patterns of stars in the major constellations; a star wheel, or planisphere, available from Orion or from your local telescope shop, will greatly help. With a little practice, a little patience, and a reasonably dark sky away from city lights, you’ll find your telescope to be a never-ending source of wonder, exploration, and relaxation. -
Page 4: Assembly
2. Assembly 8. Orient the equatorial mount as it appears in Figure 1, at a latitude of about 40°, i.e., so the pointer next to the gold- colored latitude scale is pointing to the hash mark at “40.” Carefully open all of the boxes in the shipping container. Make To do this, loosen the latitude lock lever (on the side of the sure all the parts listed in Section 1 are present. -
Page 5: Balancing The Telescope
3. Balancing the telescope Now look through the finder scope. Is the object centered in the finder scope’s field of view, i.e., on the crosshairs? If not, hopefully it will be visible somewhere in the field of view, so To insure smooth movement of the telescope on both axes of that only fine adjustment of the finder scope alignment screws the equatorial mount, it is imperative that the optical tube be will be needed to center it on the crosshairs. - Page 6 Next, the reticle must be rotated so 1 degree of declination). the constellations depicted match their current orientation So, the coordinates for the Orion Nebula listed in a star atlas in the sky when viewed with the naked eye. To do this, will look like this: release the R.A.
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Page 7: Using Your Telescope-Astronomical Observing
Calibrating the Declination Setting Circle 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 1. Loosen the Dec. lock lever and position the telescope as it with the counterweight down as pictured in Figure 1. -
Page 8: Focusing The Telescope
Orion, for instance, should be dismissed. Keep in mind that at higher powers, an you won’t have much luck locating the Orion Nebula, unless, image will always be dimmer and less sharp (this is a funda- or course, you look up its celestial coordinates and use the mental law of optics). -
Page 9: The Moon
Some good sources to start and Saturn are the brightest objects in the sky after the Sun with are the Orion DeepMap 600, Edmund Mag 6 Star Atlas, and the Moon. Not all four of these planets are normally visi- Turn Left at Orion, and The Universe From Your Backyard. -
Page 10: Care And Maintenance
8. Care and Maintenance 9. Specifications If you give your telescope reasonable care, it will last a life- Optical tube: Seamless aluminum time. Store it in a clean, dry, dust-free place, safe from rapid Objective lens diameter: 90mm (3.5") changes in temperature and humidity. Do not store the tele- Objective lens glass: crown and flint, achromat scope outdoors, although storage in a garage or shed is OK. - Page 11 Declination (Dec.) setting circle Polar axis finder scope port (front), with cap Right ascension (R.A.) setting circle Polar axis finder scope Latitude scale Latitude adjustment knob Azimuth adjustment knob Figure 2 Little Dipper (in Ursa Minor) Big Dipper N.C.P. (in Ursa Major) Polaris Cassiopeia To find Polaris in the night sky, look north and find the Big Dipper.
- Page 12 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 prod- uct is not registered, proof of purchase (such as a copy of the original invoice) is required.