ORION TELESCOPES & BINOCULARS AstroView 90mm EQ 9024 Скачать руководство пользователя

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Figure 1.

AstroView 90 EQ Parts Diagram

Tube ring mounting plate

Dec. lock knob

Dec. setting circle

R.A. lock knob

R.A. slow-motion control

Counterweight lock knob

Counterweight shaft

Counterweight

Latitude locking T-bolt

Azimuth lock knob

Accessory tray bracket
attachment point

Tripod leg lock knob

Piggyback camera adapter

Tube mounting rings

Finder scope bracket

Finder scope

Alignment screws (2)

Eyepiece

Star diagonal

Focus knob

Dec. slow-motion control

R.A. setting circle

Latitude adjustment T-bolt

Accessory tray bracket

Accessory tray

Содержание AstroView 90mm EQ 9024

Страница 1: ...l 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 AstroView 90mm EQ 9024 Equatorial Refracting Telescope INSTRUCTION MANUAL ...

Страница 2: ...weight shaft Counterweight Latitude locking T bolt Azimuth lock knob Accessory tray bracket attachment point Tripod leg lock knob Piggyback camera adapter Tube mounting rings Finder scope bracket Finder scope Alignment screws 2 Eyepiece Star diagonal Focus knob Dec slow motion control R A setting circle Latitude adjustment T bolt Accessory tray bracket Accessory tray ...

Страница 3: ...g the screws installed in the tops of the tripod legs Remove the screw from the leg line up the holes in the top of the leg with the holes in the base of the mount and reinstall the screw so it passes through the leg and the mount Make sure that a washer is between the screw head and the tripod leg and between the wingnut and tripod leg Tighten the wingnuts only finger tight for now Note that the ...

Страница 4: ...the counterweight with one hand and thread the shaft into the equatorial mount at the base of the declination axis with the other hand When it is threaded as far in as it will go position the counterweight about halfway up the shaft and tighten the counterweight lock knob 9 Attach the two tube rings to the equatorial head using the screws that come installed in the bottom of the rings First remove...

Страница 5: ...ping one hand on the telescope optical tube loosen the R A lock knob Make sure the Dec lock knob is locked for now The telescope should now be able to rotate freely about the R A axis Rotate it until the coun terweight shaft is parallel to the ground i e horizontal 2 Now loosen the counterweight lock knob and slide the weight along the shaft until it exactly counterbalances the telescope Figure 3a...

Страница 6: ...ght which it normal for telescopes that utilize a star diagonal Once the target object is centered on the crosshairs of the finder scope look again in the main telescope s eyepiece and see if it is still centered there as well If it isn t repeat the entire process making sure not to move the main telescope while adjusting the alignment of the finder scope The finder scope is now aligned and ready ...

Страница 7: ...ndo the polar alignment The tele scope should be moved only about its R A and Dec axes Use of the R A and Dec Slow Motion Control Cables The R A and Dec slow motion control cables allow fine adjustment of the telescope s position to center objects within the field of view Before you can use the cables you must manually slew the mount to point the telescope in the vicinity of the desired target Do ...

Страница 8: ...apply to viewing in the Southern Hemisphere The Dec setting circle is scaled in degrees with each mark representing 1 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 celestial equator values of the Dec setting circle are positive and when the telescope is pointed south of the celestial equator values of ...

Страница 9: ...e R A axis until the coun terweight shaft is horizontal parallel to the ground Then loosen the Dec lock knob and rotate the telescope until it is pointing straight overhead The counterweight shaft is still horizontal Then retighten both lock knobs Similarly to point the telescope directly south the counter weight shaft should again be horizontal Then you simply rotate the scope on the Dec axis unt...

Страница 10: ...th red cellophane or paper Beware too that nearby porch lights streetlights and car headlights will ruin your night vision Aiming the Telescope To view an object in the main telescope first loosen both the R A and Dec lock knobs 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 The...

Страница 11: ... craters on the Moon the waxing and waning of Venus and possibly hundreds of deep sky objects Do not expect to see color as you do in NASA photos since those are taken with long exposure cameras and have false color added Our eyes are not sensitive enough to see color in deep sky objects except in a few of the brightest ones Remember that you are seeing these objects using your own telescope with ...

Страница 12: ...rving skills get sharper you will be able to dis cern more subtle details Remember that the higher the magnification you use the dimmer the image will appear So stick with low power when observing deep sky objects because they re already very faint How to Find Interesting Celestial Objects Starhopping Star hopping as it is called by astronomers is perhaps the simplest way to hunt down deep sky obj...

Страница 13: ...amera adapter with eyepiece inside to the T ring Insert the whole system into the telescope s focuser drawtube and secure firmly with the thumbscrew 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 image a...

Страница 14: ...rbulent part of the Earth s atmosphere Remember to aim well clear of the Sun unless the front of the telescope is fitted with a professionally made solar filter and the finder scope is covered with foil or some other com pletely opaque material 9 Care and Maintenance If you give your telescope reasonable care it will last a lifetime Store it in a clean dry dust free place safe from rapid changes i...

Страница 15: ...15 ...

Страница 16: ...arranted instrument that proves to be defective provided it is returned postage paid to Orion Warranty Repair 89 Hangar 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 mis handled or modified nor does it apply to normal wear and tear This...

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