User manual ORION TELESCOPES & BINOCULARS 09028
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Manual abstract: user guide ORION TELESCOPES & BINOCULARS 09028
Detailed instructions for use are in the User's Guide.
[. . . ] INSTRUCTION MANUAL
Orion Observer 60mm EQ
® TM
#9028 Equatorial Refracting Telescope
Customer Support (800) 676-1343 E-mail: support@telescope. com
Corporate Offices (831) 763-7000
Providing Exceptional Consumer Optical Products Since 1975
P. O. A 0799
Objective lens (hidden) Dew shield Optical tube Finder scope Finder scope bracket Finder scope alignment screws (3) Focuser drawtube Eyepiece Star diagonal Focus knob Declination slowmotion control Right ascension setting circle Latitude scale Latitude adjustment T-bolt Azimuth lock knob Tripod leg attachment bolt Tripod leg Accessary tray bracket Accessory tray Declination lock thumbscrew Declination setting circle Right ascension lock thumbscrew R. A. slow-motion control Counterweight shaft Counterweight Counterweight lock knob Retaining washer and screw Latitude lock T-bolt
Spike foot
Figure 1. Observer 60 EQ Parts Diagram 2
Congratulations on your purchase of a quality Orion telescope. [. . . ] Finding Objects With the Setting Circles Now that both setting circles are calibrated, look up in a star atlas the coordinates of an object you wish to view. Most setting circles are not accurate enough to put an object dead-center in your finder scope's field of view, but they'll get you close, assuming the equatorial mount is accurately polaraligned. setting circle must be recalibrated every time you wish to locate a new object. Do so by calibrating the setting circle for the centered object before moving on to the next one.
If at all possible, escape the light-polluted city sky and head for darker country skies. You'll be amazed at how many more stars and deep-sky objects are visible in a dark sky!Cooling the Telescope All optical instruments need time to reach "thermal equilibrium. " The bigger the instrument and the larger the temperature change, the more time is needed. Allow at least a half-hour for your telescope to cool to the temperature outdoors. In very cold climates (below freezing), it is essential to store the telescope as cold as possible. If it has to adjust to more than a 40° temperature change, allow at least one hour. Aiming the Telescope To view an object in the main telescope, first loosen both the R. A. Aim the telescope at the object you wish to observe by "eyeballing" along the length of the telescope tube (or use the setting circles to "dial in" the object's coordinates). Then look through the (aligned) finder scope and move the telescope tube until the object is centered on the crosshairs. The object should now be visible in the main telescope with a low-power (long focal length) eyepiece. Focusing the Telescope Practice focusing the telescope in the daytime before using it for the first time at night. Start by positioning the focuser near the center of its adjustment range. Point the telescope at a distant subject and get it in the field of view. Now, slowly rotate one of the focusing knobs until the object comes into sharp focus. Go a little bit beyond sharp focus until the image just starts to blur again, then reverse the rotation of the knob, just to make sure you hit the exact focus point. As with all refractor telescopes used with a standard 90° star diagonal, the image you see will be right-side up, but reversed left-to-right. (Correct-image diagonals are available, and may be purchased separately, though the image quality is slightly reduced. ) Do You Wear Eyeglasses?If you wear eyeglasses, you may be able to keep them on while you observe, if your eyepieces have enough "eye relief" to allow you to see the whole field of view. You can try this by looking through the eyepiece first with your glasses on and then with them off, and see if the glasses restrict the view to only a portion of the full field. [. . . ] Keep the objective lens cap on the front of the telescope when it is not in use.
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Your Observer 60 EQ requires very little mechanical maintenance. The optical tube is aluminum and has a smooth painted finish that is fairly scratch-resistant. Smudges on the tube can be wiped off with a soft cloth and a household cleaner such as Windex or Formula 409. Cleaning the Optics A small amount of dust or a few specks on the glass objective (main) lens will not affect the performance of the telescope. [. . . ]
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