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Celestron AstroMaster 90AZ User Manual

Celestron AstroMaster 90AZ
40 pages
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INSTRUCTION MANUAL
22069 AstroMaster 90AZ
ENGLISH
TELESCOPE
90AZ
90 MM REFRACTOR
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Celestron AstroMaster 90AZ Specifications

General IconGeneral
Lens coatingFully Multi Coated (FMC)
Magnification50 x
Fixed focal length1000 mm
Maximum supported eyepiece diameter20 mm
Tripod materialSteel
Depth1100 mm
Width390 mm
Height250 mm
Country of originChina
Weight and Dimensions IconWeight and Dimensions
Length914.4 mm
Weight9600 g

Summary

Introduction

Safety Warnings

Critical safety warnings regarding sun observation, heat build-up, and unsupervised use.

Parts List

Assembly

Setting Up the Tripod

Detailed steps for assembling the tripod and securing it for stability.

Moving the Telescope Manually

Instructions on how to move the telescope using the pan handle and azimuth lock.

Installing the Telescope Tube

Step-by-step guide for attaching the telescope tube to the mount securely.

Installing Diagonal and Eyepieces

How to install the diagonal and eyepieces for comfortable viewing.

Installing the StarPointer Finderscope

Instructions for attaching the StarPointer finderscope to the telescope.

Using the StarPointer Finderscope

Guidance on how to use the StarPointer finderscope for aiming the telescope.

Battery Access Instructions

Procedures for accessing and replacing the battery in the StarPointer finderscope.

Aligning the StarPointer Finderscope

Detailed steps to align the StarPointer finderscope with the main telescope optics.

First Astronomical Observing Session

Observing the Moon

Guide to observing the Moon, including optimal viewing times and basic steps.

Installing Smartphone Adapter

Instructions for connecting and using the smartphone adapter for imaging.

Calculating Magnification

Explains how to calculate telescope magnification using focal lengths.

Determining Field of View

How to determine the field of view based on eyepiece and magnification.

General Observing Hints

Advice on avoiding common issues like window glass and heat waves for optimal viewing.

Seeing Conditions

Explains atmospheric conditions like transparency, sky illumination, and seeing.

Telescope Maintenance

Care and Cleaning of Optics

Detailed instructions for cleaning the telescope's optical elements safely and effectively.

AstroMaster Specifications

Recycling Batteries

Notes

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