Celestron C21061 manual Table of Contents

Models: C21061

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Table of Contents

INTRODUCTION

3

ASSEMBLY

6

Setting up the Tripod

6

Moving the Telescope Manually

7

Attaching the Telescope Tube to the Mount

7

Installing the Diagonal & Eyepieces ( refractor)

8

Installing the Eyepieces on the Newtonians

8

TELESCOPE BASICS

9

Image Orientation

10

Focusing

10

Aligning the Finderscope

10

Calculating Magnification

11

Determining Field of View

12

General Observing Hints

12

ASTRONOMY BASICS

13

The Celestial Coordinate System

13

Motion of the Stars

14

CELESTIAL OBSERVING

15

Observing the Moon

15

Observing the Planets

15

Observing the Sun

15

Observing Deep Sky Objects

16

Seeing Conditions

18

ASTROPHOTOGRAPHY

19

Short Exposure Prime Focus Photography

19

Piggyback Photography

19

Planetary & Lunar Photography with Special Imagers

19

CCD Imaging for Deep Sky Objects

19

Terrestrial Photography

19

TELESCOPE MAINTENANCE

20

Care and Cleaning of the Optics

20

Collimation of a Newtonian

20

OPTIONAL ACCESSORIES

23

AstroMaster Specifications

24

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Celestron C21061 manual Table of Contents