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INSTRUCTION MANUAL

IN 173 Rev. A 0801

Providing Exceptional Consumer Optical Products Since 1975

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

Corporate Offices (831) 763-7000

P.O. Box 1815, Santa Cruz, CA 95061

Orion

®

SpaceProbe 3 EQ

#9847 and #9842

Summary of Contents for SpaceProbe 3 EQ 9842

Page 1: ...Rev A 0801 Providing Exceptional Consumer Optical Products Since 1975 Customer Support 800 676 1343 E mail support telescope com Corporate Offices 831 763 7000 P O Box 1815 Santa Cruz CA 95061 Orion SpaceProbe 3 EQ 9847 and 9842 ...

Page 2: ...ounterweight shaft Counterweight Counterweight lock knob Right Ascension lock knob Tripod leg Accessory tray bracket Leg lock knob Finder scope Finder scope bracket Eyepiece Focuser Optical tube assembly Right Ascension setting circle Latitude adjustment T Bolt Accessory tray Accessory tray bracket attachment point Figure 1 ...

Page 3: ...he whole family These instructions will help you set up properly use and care for your telescope Please read them over thoroughly before getting started 2 Parts List 1 Optical tube assembly 1 Equatorial mount 3 Tripod legs 1 Accessory tray bracket 2 Slow motion control cables 1 Counterweight 1 Counterweight shaft 1 Finder scope 1 Finder scope bracket 1 Accessory tray with attachment wing screws 3 ...

Page 4: ...nut that come installed in each attachment point to do this First remove the screw using the supplied screwdriver and triangular assem bly tool hold the lock nut with the triangular assembly tool while turning the screw with the screwdriver Then line up one of the ends of the bracket with the attachment point and rein stall the screw Make sure the end of the accessory tray bracket is oriented so t...

Page 5: ...ent thumbscrews evenly until it is secure 12 Loosen and remove the two finder scope bracket securing thumbnuts from the optical tube assembly Place the holes on the bottom of the finder scope bracket over the two threaded shafts coming out of the optical tube Replace the thumbnuts to secure the finder scope bracket to the optical tube Refer to Figure 1 for the orientation of the finder scope and f...

Page 6: ...le Ideally it will be somewhere in the finder s field of view If it is not some coarse adjustments of the three black nylon finder scope alignment thumbscrews will be needed to get the finder scope roughly parallel to the main tube If this does not work loosen the two thumbnuts that secure the finder scope bracket to the optical tube and slide the bracket left or right to get the object in the fin...

Page 7: ...ligned just turn the R A slow motion control cable clockwise The Dec slow motion control cable is not needed for tracking Objects will appear to move faster at higher magnifications because the field of view is narrower 7 Focusing the Finder Scope If when looking through the finder scope the images appear somewhat out of focus you will need to refocus the finder scope for your eyes Turn the viewin...

Page 8: ...minute increments The numbers closest to the R A axis gear apply to viewing in the Southern Hemisphere while the num bers above them apply to viewing in the Northern Hemisphere The Dec setting circle is scaled in degrees with each mark representing 2 5 increments Values of Dec coordinates range from 90 to 90 The 0 mark indicates the celestial equator When the telescope is pointed north of the cele...

Page 9: ... the Dec axis until it points in the south direction 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 it with the counterweight down as pictured in Figure 1 Again you have to rotate the scope in R A so the counterweight shaft is positioned horizontally Then rotate the scope in Dec so it points to where you want it near th...

Page 10: ... few of the brightest ones Remember that you are seeing these objects using your own telescope with your own eyes The object you see in your eye piece is in real time and not some conveniently provided image from an expensive space probe Each session with your telescope will be a learning experience Each time you work with your telescope it will get easier to use and stellar stars you can see with...

Page 11: ...nets 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 SATURN The ringed planet is a breathtaking sight when it is well positioned The tilt angle of the rings varies over a period of many years sometimes t...

Page 12: ...he peak performance of your telescope so it should be checked regularly Collimation is relatively easy to do and can be done in daylight To check collimation remove the eyepiece and look down the focuser drawtube You should see the secondary mirror cen tered in the drawtube as well as the reflection of the primary mirror centered in the secondary mirror and the reflection of the secondary mirror a...

Page 13: ...or is centered in the focuser draw tube rotate the secondary mirror holder until the reflection of the primary mirror is as centered in the secondary mirror as possible It may not be perfectly centered but that is OK Now tighten the three small alignment screws equally to secure the secondary mirror in that position This adjustment will rarely if ever need to be done If the entire primary mirror r...

Page 14: ...he 3 vaned spider Completely unthread the screw from the holder and the holder will come loose in your fingers Be careful not to lose the spring on the Phillips head cap screw Handle the mirror and its holder carefully You do not need to remove the secondary mirror from its holder for cleaning Follow the same procedure described below for cleaning the primary mirror To clean the primary mirror car...

Page 15: ...and let it soak for several minutes or hours if it is a very dirty mirror Wipe the mirror underwater with clean cotton balls using extremely light pressure and stroking in straight lines across the surface Use one ball for each wipe across the mirror Then rinse the mirror under a stream of lukewarm water Any particles on the surface can be swabbed gently with a series of clean cotton balls each us...

Page 16: ...gar 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 mishan dled 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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