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ORION TELESCOPES & BINOCULARS StarMax 90 EQ 9821, Instruction Manual

Unlock the wonders of the night sky with the ORION TELESCOPES & BINOCULARS StarMax 90 EQ 9821. This powerful telescope comes with a comprehensive Instruction Manual, available for free download at 88.208.23.73:8080. Explore the cosmos with confidence and precision with this top-of-the-line product.

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Summary of Contents for StarMax 90 EQ 9821

Page 1: ...ding 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 StarMax 90 EQ 982...

Page 2: ...Counterweight shaft Right Ascension slow motion control Counterweight Counterweight lock knob Tripod leg Finder scope bracket Finder scope Eyepiece Star diagonal Declination slow motion control Acces...

Page 3: ...or terrestrial exploration With its precision optics and equatorial mount you ll be able to locate and enjoy hundreds of fascinating celestial objects including the planets Moon and a variety of deep...

Page 4: ...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 reinstall the screw 4 Now with the accessory tray brack...

Page 5: ...he end without the rubber eyeguard of the finder scope into the bracket ring with the three nylon thumbscrews When the finder scope is through the sec ond ring of the bracket and as far as it will go...

Page 6: ...loosening the R A and Dec lock knobs Position the telescope so the object appears in the eyepiece s field of view and then retighten the R A and Dec lock knobs Use the slow motion control cables to c...

Page 7: ...y further adjustments in the azimuth or the latitude of the mount nor should you move the tripod Doing so will undo the polar alignment The telescope should be moved only about its R A and Dec axes Us...

Page 8: ...at the bright star whose coordi nates you know Lock the R A and Dec lock knobs Center the star in the telescope s field of view with the slow motion control cables 4 Rotate the setting circle until th...

Page 9: ...a dark sky Seeing and Transparency Atmospheric conditions vary significantly from night to night Seeing refers to the steadiness of the Earth s atmosphere at a given time In conditions of poor seeing...

Page 10: ...nifications since greater magnification inherently yields dimmer images This is not the case for all deep sky objects however Many galaxies are quite small yet are somewhat bright so higher power may...

Page 11: ...yra and the gor geous two color double star Albireo in Cygnus are favorites Defocusing a star slightly can help bring out its color E Deep Sky Objects Under dark skies you can observe a wealth of fasc...

Page 12: ...k with low power eye pieces that yield a magnification under 100x At higher powers images rapidly lose sharpness and clarity due to heat waves caused by Sun heated air Remember to aim well clear of th...

Page 13: ...es may be removed using this method Use caution rubbing too hard may scratch the lens For the large surface of the meniscus lens clean only a small area at a time using a fresh lens tissue on each are...

Page 14: ...14...

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Page 16: ...s 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...

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