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Orion SpaceProbe 3 EQ User Manual

Orion SpaceProbe 3 EQ
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INSTRUCTION MANUAL
IN 208 Rev. B 10/02
Providing 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
®
SpaceProbe
3 EQ
#9843 Equatorial Reflector Telescope

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Orion SpaceProbe 3 EQ Specifications

General IconGeneral
TypeReflector
Aperture76mm
Focal Length700mm
Focal Ratiof/9.2
Mount TypeEquatorial
Eyepieces25mm, 10mm
Magnification28x, 70x
TripodAluminum
FinderscopeRed dot finder

Summary

Unpacking

Parts List

Assembly

Getting Started

Balancing the Telescope

Explains how to balance the telescope on its mount for smooth movement.

Focusing the Telescope

Guides on how to achieve sharp focus using the focuser and eyepiece.

Do You Wear Eyeglasses?

Advice for users wearing eyeglasses while observing.

Operating the EZ Finder II reflex finder

Instructions for using the EZ Finder II for aiming the telescope.

Setting up and Using the Equatorial Mount

Polar Alignment

Steps to align the telescope's mount with Earth's rotation axis.

Use of the R.A. and Dec. Slow-Motion Control Cables

How to use slow-motion cables for fine adjustments and tracking.

Tracking Celestial Objects

Method for keeping celestial objects centered during observation.

Optional Electronic Drives for Automatic Tracking

Information about optional electronic drives for automated tracking.

Understanding the Setting Circles

Explanation of setting circles for locating celestial objects by coordinates.

Calibrating the Right Ascension Setting Circle

Procedure to calibrate the R.A. setting circle for accurate object finding.

Finding Objects With the Setting Circles

Steps to use calibrated setting circles to locate astronomical objects.

Using Your Telescope

Choosing an Observing Site

Guidelines for selecting an optimal location for stargazing.

Cooling the Telescope

Importance of letting the telescope reach ambient temperature before use.

Let Your Eyes Dark-Adapt

Advice on allowing eyes to adjust to darkness for better viewing.

Eyepiece Selection

Guidance on choosing and using eyepieces for different magnifications.

What to Expect

What celestial objects one can typically observe with the telescope.

Objects to Observe

Guidance on observing specific celestial bodies like the Moon and planets.

Care and Maintenance

Specifications

Appendix A: Collimation—Aligning the Mirrors

The Collimation Cap and Mirror Center Mark

Describes the collimation cap and the primary mirror center mark.

Aligning the Secondary Mirror

Instructions for adjusting the secondary mirror for proper alignment.

Adjusting the Primary Mirror

Procedure for adjusting the primary mirror for optimal optical alignment.

Appendix B: Cleaning the Optics

Cleaning Lenses

Methods for cleaning the telescope's lenses, including eyepieces.

Cleaning Mirrors

Steps for safely cleaning the primary and secondary mirrors.

One-Year Limited Warranty

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