Celestron AstroMaster 90EQ User Manual

Quick Set-up Guide
Quick set-up guide for:
Model #21062 – AstroMaster 70EQ
Model #21064 – AstroMaster 90EQ
Model #21069 – AstroMaster 90EQ-MD
Questions or Problems with Set-up?
CONTACT: Celestron Technical Support:
310.803.5955
www.celestron.com
Use the three tightening screws located at the
bottom of each leg to secure the extended legs
in place.
To set up the tripod, spread the legs outward until
they are fully extended. Extend the center portion of
each of the three tripod legs down 6-12".
1
2
3
All three legs should be the same length to
provide a level platform for the telescope.
4
7
Locate the equatorial mount and place the base of
the mount through the hole in the center of the
tripod mounting platform.
5
Properly assembled, the accessory tray should
appear as pictured above.
6
From underneath the tripod mounting platform,
thread the mounting nut into the threaded hole on
the bottom of the equatorial mount.
8
Thread the latitude adjustment screw into the
equatorial mount until the screw is touching the
inside of the mount.
9
Your AstroMaster 70EQ/90EQ includes: optical tube w/
built-on StarPointer finderscope, tripod with center
support bracket, equatorial mount, two eyepieces, two
counterweights, counterweight bar, two slow motion
cables, erect image diagonal, accessory tray, battery,
owner’s manual, and The Sky™ CD Software.
To attach the accessory tray, line up notches and
turn clockwise until tray tabs lock into place with
the tripod brackets.

Celestron AstroMaster 90EQ Specifications

General

Lens coating	Fully Multi Coated (FMC)
Magnification	50 x
Fixed focal length	1000 mm
Maximum supported eyepiece diameter	20 mm
Tripod material	Steel
Depth	240 mm
Width	370 mm
Height	1090 mm
Country of origin	China

Weight and Dimensions

Length	914.4 mm
Weight	15000 g

Summary

Celestron AstroMaster Quick Set-up Guide

Included Telescope Components

Lists optical tube, tripod, mount, eyepieces, counterweights, cables, diagonal, and software.

Tripod Setup and Leveling

Spreading, extending, and securing tripod legs to create a stable, level platform.

Accessory Tray Installation

Attaching the accessory tray to the tripod brackets by aligning notches and turning clockwise.

Equatorial Mount Attachment

Placing the mount on the tripod platform and threading the latitude adjustment screw.

Counterweight Bar Installation

Threading the counterweight bar into the declination axis of the equatorial mount.

Counterweight Positioning

Sliding counterweights onto the bar and securing them after removing the safety screw.

Slow Motion Control Cable Connection

Attaching slow motion control cables to the declination and R.A. axis gear shafts.

Telescope Tube Mounting

Placing the telescope tube onto the equatorial mount and securing it with the dovetail screw.

Diagonal and Eyepiece Installation

Attaching the diagonal to the focuser and inserting the eyepiece into the diagonal.

StarPointer Finderscope Battery

Inserting the battery into the StarPointer finderscope and securing the cover.

Final Observation Preparation

Removing the telescope's front lens cap to prepare for viewing.

Technical Support and Safety

Technical Support Contact

Contact information for Celestron Technical Support for setup assistance.

Solar Observation Warning

Critical safety warning against viewing the sun without proper filtering.