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IN 095 0898

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

INSTRUCTION MANUAL

Orion

®

Observer

™ 

70mm Altaz

#9801  

Altazimuth Refractor Telescope  

Summary of Contents for Observer 70mm Altaz 9801

Page 1: ...nsumer 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 INSTRUCTION MANUAL Orion Observer 70mm Altaz 9801 Altazimuth Refractor Telescope ...

Page 2: ...e Eyepiece Star diagonal Focus knob Altitude micro motion thumbwheel Altitude micro motion rod Objective lens Dew cap glare shield Yoke knob Altitude lock knob Altazimuth yoke mount Azimuth lock knob Tripod leg attachment bolt Accessory tray Accessory tray bracket Tripod leg Leg lock thumbscrew ...

Page 3: ...n of an image erecting prism If you have never used a telescope before we would like to welcome you to amateur astronomy Take some time to familiarize yourself with the night sky Learn to recognize the patterns of stars in the major constellations a star wheel or planisphere available from Orion or from your local telescope shop will greatly help With a little practice a little patience and a reas...

Page 4: ...ace with the two round thumbscrews Do not loosen the two small hex nuts at the base of the bolts as they keep them from falling into the optical tube 11 Lastly install the finder scope in the bracket To do this we rec ommend first loosening the three finder scope alignment screws so that the finder scope can be inserted through the rings eyepiece end first without resistance The larger objective l...

Page 5: ... micro motion thumbwheel has a lim ited range of movement If you reach the end of the travel range loosen the altitude lock bolt and rotate the thumb wheel back a few turns then tighten the lock bolt again 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 cen ter of its adjustment range Make s...

Page 6: ...at will also cause image degradation In conditions of good seeing star twinkling is minimal and images appear steady in the eyepiece Seeing is best over head worst at the horizon Also seeing generally gets better after midnight when much of the heat absorbed by the Earth during the day has radiated off into space Especially important for observing faint objects is good trans parency air free of mo...

Page 7: ...ced and your observing skills get sharper you will be able to ferret out more and more subtle details Note 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 Consult a star atlas or observing guide for information on find ing and identifying deep sky objects Some good sources...

Page 8: ...oated Threaded for filters 1 25 barrels 6mm 8153 10mm 8152 13mm 8151 17mm 8154 Moon Filter 5662 Cuts lunar glare 87 revealing much more surface detail Threads into barrel of 1 25 eyepieces Solar Filter 7706 Allows safe viewing of the Sun See the march of sunspots across the Sun s surface This full aperture glass filter pro vides a pleasing yellow orange image of our nearest star unlike Mylar filte...

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