Orion SkyView Pro 100mm ED EQ Manual Download

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Providing Exceptional Consumer Optical Products Since 1975

Customer Support (800) 676-1343
E-mail: [email protected]

Corporate Offices (831) 763-7000
89 Hangar Way, Watsonville, CA 95076

inStruCtion Manual

orion

SkyView

™

Pro 100mm ED EQ

Equatorial Apochromatic Refractor Telescope

#9977

IN 248 REV C 01/09

Summary of Contents for SkyView Pro 100mm ED EQ

Page 1: ...ince 1975 Customer Support 800 676 1343 E mail support telescope com Corporate Offices 831 763 7000 89 Hangar Way Watsonville CA 95076 instruction Manual Orion SkyView Pro 100mm ED EQ Equatorial Apochromatic Refractor Telescope 9977 IN 248 REV C 01 09 ...

Page 2: ... Declination lock lever Right ascension lock lever Right ascension slow motion control knob Counterweight shaft Counterweight Counterweight lock knob Toe saver Eyepiece 1 25 Adapter Finder scope Finder scope bracket 2 Star diagonal Focus knob Latitude adjustment L bolts Tripod support tray Tube rings ...

Page 3: ... are small If anything appears to be missing or broken immediate ly call Orion Customer Support 800 676 1343 or email support telescope com for assistance 2 Parts List Qty Description 1 Tripod 1 Equatorial mount 1 Tripod support tray 1 Central support shaft attached to tripod 1 Tube ring mounting plate 2 Tube rings with mounting screws 1 Counterweight shaft 1 Counterweight 2 Slow motion control kn...

Page 4: ...o the shafts Line up the flat surface on the shaft with the corresponding feature on the interior of the knob to connect them properly The knobs can be attached to either end of the shafts use whichever end is most convenient 9 Attach the tube mounting rings to the tube ring mounting plate using the attachment screws that are on the tube rings The screws should go through the holes on the outer en...

Page 5: ...espect to the right ascension R A axis then the declination Dec axis 1 Keeping one hand on the telescope optical tube loosen the R A lock lever Make sure the Dec lock lever is locked for now The telescope should now be able to rotate freely about the right ascension axis Rotate it until the counter weight shaft is parallel to the ground i e horizontal 2 Now loosen the counterweight lock knob and s...

Page 6: ...The finder scope view will be rotated 180 Figure 7 If you have trouble focusing rotate the focus knob so the draw tube is in as far as it will go Now look through the eyepiece while slowly rotating the focus knob in the opposite direction You should soon see the point at which focus is reached Note About the Crayford Focuser The SkyView Pro 100mm ED EQ comes equipped with a Crayford focuser The Cr...

Page 7: ...en you look through the finder scope the images appear somewhat out of focus you will need to refocus the find er scope for your eyes Loosen the focus lock ring located behind the objective lens cell on the body of the finder scope see Figure 3a Back the lock ring off by a few turns for now Refocus the finder scope on a distant object by threading the objective lens cell in or out of the finder sc...

Page 8: ...m an image Most astronomical objects emit a spectrum comprised of many dif ferent wavelengths of light so each wavelength will be bent by a slightly different amount when passing through a lens This results in each color of light reaching precise focus at a slightly different point which will provide unacceptable images The 100mm ED is designed to minimize chromatic aberra tion The objective lens ...

Page 9: ...al observing More precise polar alignment is recommended for astropho tography For this we suggest using the optional polar axis finder scope From this point on in your observing session you should not make any further adjustments to the latitude of the mount nor should you move the tripod Doing so will undo the polar align ment The telescope should be moved only about its R A and Dec axes Polar A...

Page 10: ... the tripod left to right and adjust the latitude up and down until Polaris is somewhere within the field of view of the polar axis finder scope 5 Shine a red flashlight down the front end of the polar finder to illuminate the reticle within the field of view Make sure the flashlight shines in at an angle so as not to block the polar finder s field of view It may be helpful to have a friend hold t...

Page 11: ...main stationary in the field of view without any manual adjustment of the right ascension slow motion control knob Understanding the Setting Circles The setting circles on an equatorial mount enable you to locate celestial objects by their celestial coordinates Every object resides in a specific location on the celestial sphere That location is denoted by two numbers its right ascension R A and de...

Page 12: ... the telescope is pointed north as it would be during polar alignment The counterweight shaft is oriented down ward But it will not look like that when the telescope is pointed in other directions Let s say you want to view an object that is directly overhead at the zenith How do you do it DO NOT make any adjustment to the latitude adjustment L bolts That will spoil the mount s polar alignment Rem...

Page 13: ...your SkyView Pro 100mm ED EQ to acclimate If the scope has more than a 40 tempera ture change allow an hour or more In the winter storing the telescope outdoors in a shed or garage greatly reduces the amount of time needed for the optics to reach thermal equi librium It also is a good idea to keep the scope covered until the Sun sets so the tube does not heat greatly above the tem perature of the ...

Page 14: ...anets are quite small in apparent size optional higher power eyepieces are recommended and often needed for detailed observations Not all the planets are generally visible at any one time JUPITER The largest planet Jupiter is a great subject for observation You can see the disk of the giant planet and watch the ever changing positions of its four largest moons Io Callisto Europa and Ganymede Highe...

Page 15: ...r if possible Move the telescope slightly until the telescope is centered on the new star Continue using stars as guideposts in this way until you are at the approximate position of the object you are trying to find Figure 16 Look in the telescope s eyepiece and the object should be somewhere within the field of view If it s not sweep the telescope carefully around the immediate vicinity until the...

Page 16: ... the whole system into the focuser with the camera adapter that comes with the telescope attached to the drawtube and secure firm ly with the thumb screws Aim the telescope at the planet or Moon you wish to shoot The image will be highly magnified so you may need to use the finder scope to center it within the camera s viewfinder Turn the motor drive on Adjust the telescope s focuser so that the i...

Page 17: ...0mm ED EQ requires very little mechan ical maintenance The optical tube is aluminum and has a smooth painted finish that is fairly scratch resistant If a scratch does appear on the tube it will not harm the tele scope Smudges on the tube can be wiped off with a soft cloth and a household surface cleaner Cleaning Lenses Any quality optical lens cleaning tissue and optical lens clean ing fluid speci...

Page 18: ...ngar Way Watsonville CA 95076 If the product is not registered proof of purchase such as a copy of the original invoice is required This warranty does not apply if in Orion s judgment the instrument has been abused mishandled or modified nor does it apply to normal wear and tear This warranty gives you specific legal rights and you may also have other rights which vary from state to state For furt...

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