Orion 4.5 EQ instruction manual Declination lock knob Declination setting circle

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Declination setting circle

Right ascension setting circle

Counterweight lock knob

Counterweight

Counterweight shaft

Accessory tray bracket

EZ Finder II reflex sight

Eyepiece

Focuser

Tube rings

Optical tube

Primary mirror cell

Declination slow-motion control

Right ascension slow-motion control

Latitude adjustment T-bolt

Azimuth lock knob

Accessory tray

Leg lock knob

Figure 1a. The StarBlast 4.5 EQ

Right ascension lock knob Right ascension setting circle Latitude scale Latitude lock T-bolt Latitude adjustment

Declination

(Dec

. )

axis

T-bolt

Azimuth lock knob

Image 2

Contents Orion StarBlast 4.5 EQ #9798 Equatorial Newtonian Reflector TelescopeDeclination lock knob Declination setting circle Assembly Table of ContentsParts List UnpackingGetting Started Balancing the TelescopeFocusing the Telescope 4a.4b 4c.4dOperating the EZ Finder II Reflex Sight Setting Up and Using the Equatorial MountDo You Wear Eyeglasses? Aligning the EZ Finder II Reflex SightUse of the R.A. and Dec. Slow-Motion Control Cables Polar AlignmentTo polar align the StarBlast 4.5 EQ Tracking Celestial ObjectsFinding Objects with the Setting Circles Understanding the Setting CirclesCalibrating the Right Ascension Setting Circle Confused About Pointing the Telescope?Collimating the Optics Collimating Cap and Primary Mirror Center Mark Aligning the Secondary MirrorAligning the Primary Mirror Star-Testing the TelescopeAstronomical Observing Choosing an Observing SiteEyepiece Selection Cooling the TelescopeLet Your Eyes Dark-Adapt What to ExpectCare and Maintenance One-Year Limited Warranty Specifications