Orion SKYVIEW PRO 120 EQ User Manual

INSTRUCTION MANUALIN 189 Rev. C 02/09Providing Exceptional Consumer Optical Products Since 1975Customer Support (800)-676-1343E-mail: support@telescop

2. Loosen the Dec. lock lever and rotate the optical tube on the declination axis so that the tube is at a 90° to the right ascension axis (Figure 10

ments (there are 60 minutes in 1 hour of right ascension). The lower set of numbers apply to viewing in the Northern Hemisphere, while the numbers abo

12the scope in declination so it points to where you want it near the horizon.To point the telescope directly south, the counterweight shaft should ag

tion outside to cooler air (or vice-versa), a telescope needs time to cool to the outdoor temperature. The bigger the instru-ment and the larger the t

14Important Note: Do not look at the Sun with any optical instrument without a professionally made solar filter, or permanent eye damage could res

15the stars you are centering in the eyepiece. Remember, the finder scope (and main telescope eyepiece, for that matter) gives an inverted image, so y

est star within the field of view. Remove the eyepiece and insert the illuminated reticle eyepiece into the diagonal. Turn the eyepiece’s illumin

17es in temperature and humidity. Do not store the telescope outdoors, although storage in a garage or shed is OK. Small components like eyepieces and

18One-Year Limited WarrantyThis Orion SkyView Pro 120 EQ is warranted against defects in materials or workmanship for a period of one year from the da

2Figure 1. The SkyView Pro 120 EQ.Declination lock lever (opposite side)Right Ascension lock lever (opposite side)Declination slow-motion control kno

3Table of Contents1. Unpacking... 32. Parts List... 33. Assembly ... 34. B

1. Stand the tripod legs upright and spread the legs out as far as they will go. Keep the tripod legs at their shortest (fully retracted) length, for

the mounting plate and rethread into the tube rings. Note that the side of the mounting plate with the central “groove” will be facing up. Use the sma

6The telescope is now balanced on both axes. When you loos-en the lock lever on one or both axes and manually point the telescope, it should move with

achieved by focusing the finder scope on a bright star. Once the image appears sharp, retighten the locking ring behind the objective lens cell. The f

8knob. But first the R.A. axis of the mount must be aligned with the Earth’s rotational (polar) axis—a process called polar alignment.Polar Ali

9directly from your observing site, consult a compass and rotate the tripod so the telescope points north. There is a label bearing a large “N” at the