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inStruCtion Manual
orion
®
SkyView
Pro 100mm ED EQ
™
Equatorial Apochromatic Refractor Telescope
#9977
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 248 REV C 01/09
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Related Manuals for Orion SkyView Pro 100mm ED EQ
Summary of Contents for Orion SkyView Pro 100mm ED EQ
- Page 1 Manual orion ® SkyView Pro 100mm ED EQ ™ Equatorial Apochromatic Refractor Telescope #9977 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 248 REV C 01/09...
- Page 2 Declination lock lever Right ascension 1.25" Adapter lock lever Right ascension slow- 2" Star diagonal Focus knob motion control knob Counterweight shaft Counterweight Latitude adjustment L-bolts Counterweight lock knob “Toe saver” Tripod support tray Figure 1. The SkyView Pro 100mm ED EQ...
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Page 3: Table Of Contents
Congratulations on your purchase of a quality Orion telescope. Your new SkyView Pro 100mm ED EQ is an exceptional instrument for observing and imaging astronomical objects. The ED glass of the objec- tive lens ensures you’ll enjoy star, Moon, and planetary images with far less color distortion than seen in standard refractors. - Page 4 1. Stand the tripod legs upright and spread the legs out as far pass through the hole. Position the counterweight about as they will go. Keep the tripod legs at their shortest (fully halfway up the shaft and tighten the lock knob. Replace the retracted) length, for now;...
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Page 5: Balancing The Telescope
Diagonal and Eyepiece of the equatorial mount, it is imperative that the optical tube The SkyView Pro 100mm ED EQ comes with a camera adapt- is properly balanced. We will first balance the telescope with er attached to its focuser drawtube. Loosen the two thumb respect to the right ascension (R.A.) axis, then the declination... -
Page 6: Using Your Telescope
Crayford Focuser Focusing the telescope The SkyView Pro 100mm ED EQ comes equipped with a With the 25mm eyepiece inserted in the diagonal, move the Crayford focuser. The Crayford design allows for smooth, telescope so the front (open) end is pointing in the general precise focusing without any image shift that typical rack-and- direction of an object at least 1/4-mile away. -
Page 7: Aligning The Finder Scope
2" Eyepieces Refocus the finder scope on a distant object by threading the A feature of the SkyView Pro 100mm ED EQ is its ability to use objective lens cell in or out of the finder scope body. Precise... -
Page 8: Setting Up And Using The Equatorial Mount
tions, 2" eyepieces can give a wider field of view than standard astronomical objects emit a spectrum comprised of many dif- ferent wavelengths of light, so each wavelength will be bent by 1.25" eyepieces. This is especially desirable for observing deep-sky objects, as many of them appear quite large, but a slightly different amount when passing through a lens. - Page 9 Installing the optional polar axis finder scope. Polar alignment using an optional Polar axis Finder Scope The SkyView Pro 100mm ED EQ mount can be equipped with an optional polar axis finder scope (Figure 11a) which goes Figure 10. For polar alignment, position the tripod so that the inside the right ascension axis of the mount.
- Page 10 alignment of the Polar axis Finder Scope 1. Approximately polar align the mount as outlined in the pro- cedure above. 1. Look through the polar finder at a distant object (during the day) and center it in the crosshairs. You may need to 2.
- Page 11 So, the coordinates for the Orion Nebula listed in a star atlas axes. Once the telescope is pointed close to the object to be will look like this: viewed, retighten both lock levers.
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Page 12: Astronomical Observing
Let’s say you want to view an object that is directly overhead, at the zenith. How do you do it? For many users, the SkyView Pro 100mm ED EQ telescope DO NOT make any adjustment to the latitude adjustment L- will be a major leap into the world of amateur astronomy. -
Page 13: Cooling The Telescope
Cooling the telescope have warm air currents rising from them which distort the image seen in the eyepiece. Similarly, you should not observe All optical instruments need time to reach “thermal equilibri- through an open or closed window from indoors. Better yet, um”... - Page 14 Saturn are the brightest objects in the sky after the Sun and exposure photographs. The reason is that our eyes are not the Moon. Your SkyView Pro 100mm ED EQ is capable of sensitive to color in faint light. Still, there is something very...
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Page 15: Terrestrial Observing
special about seeing an astronomical object in real time, with est deep-sky objects. These were first catalogued about 200 your own eyes — “live,” if not in living color. years ago by the French astronomer Charles Messier. Determine in which constellation the object lies. Now, find the How to Find Deep-sky objects: Starhopping constellation in the sky. -
Page 16: Astrophotography
powers, images rapidly lose sharpness and clarity due to a higher-power eyepiece. Then connect the entire camera “heat waves” caused by Sun-heated air. adapter, with eyepiece inside, to the T-ring. Insert the whole system into the focuser (with the camera adapter that comes Remember to aim well clear of the Sun, unless the front of with the telescope attached to the drawtube) and secure firm- the telescope is fitted with a professionally made solar filter... -
Page 17: Care And Maintenance
Keep the dust cover on the front of the telescope when not in use. Your SkyView Pro 100mm ED EQ requires very little mechan- ical maintenance. The optical tube is aluminum and has a smooth painted finish that is fairly scratch-resistant. - Page 18 Warranty This Orion SkyView Pro 100mm ED EQ 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 pur- chaser only.