Manual Celestron AstroMaster 130 EQ-MD (page 2 of 32) (English)

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Table of Contents

INTRODUCTION ........................................................................................................................................3

ASSEMBLY .................................................................................................................................................6

Setting up the Tripod ................................................................................................................................6

Attaching the Equatorial Mount ...............................................................................................................7

Installing the Counterweight Bar & Counterweights ...............................................................................7

Attaching the Slow Motion Cables...........................................................................................................8

Attaching the Telescope Tube to the Mount.............................................................................................8

Installing the Diagonal & Eyepieces (refractor).......................................................................................9

Installing the Eyepieces on the Newtonians .............................................................................................9

Moving the Telescope Manually ............................................................................................................10

Balancing the Mount in R.A...................................................................................................................10

Balancing the Mount in Dec...................................................................................................................10

Adjusting the Equatorial Mount .............................................................................................................11

Adjusting the Mount in Altitude.............................................................................................................11

TELESCOPE BASICS ...............................................................................................................................12

Image Orientation...................................................................................................................................13

Focusing .................................................................................................................................................13

Aligning the Finderscope........................................................................................................................13

Calculating Magnification ......................................................................................................................14

Determining Field of View.....................................................................................................................15

General Observing Hints ........................................................................................................................15

ASTRONOMY BASICS ............................................................................................................................16

The Celestial Coordinate System............................................................................................................16

Motion of the Stars .................................................................................................................................16

Polar Alignment with Latitude Scale......................................................................................................17

Pointing at Polaris...................................................................................................................................18

Finding the North Celestial Pole ............................................................................................................18

Polar Alignment in the Southern Hemisphere ........................................................................................19

Finding the South Celestial Pole (SCP)..................................................................................................20

Declination Drift Method of Polar Alignment........................................................................................21

Aligning the Setting Circles ...................................................................................................................22

Motor Drive ............................................................................................................................................23

CELESTIAL OBSERVING .......................................................................................................................24

Observing the Moon ...............................................................................................................................24

Observing the Planets .............................................................................................................................24

Observing the Sun ..................................................................................................................................24

Observing Deep-Sky Objects .................................................................................................................25

Seeing Conditions...................................................................................................................................25

ASTROPHOTOGRAPHY..........................................................................................................................26

Short Exposure Prime Focus Photography .............................................................................................26

Piggyback Photography..........................................................................................................................26

Planetary & Lunar Photography with Special Imagers ..........................................................................26

CCD Imaging for Deep Sky Objects ......................................................................................................26

Terrestrial Photography ..........................................................................................................................26

TELESCOPE MAINTENANCE ................................................................................................................27

Care and Cleaning of the Optics.............................................................................................................27

Collimation of a Newtonian ...................................................................................................................27

OPTIONAL ACCESSORIES

...................................................................................................................30

AstroMaster Specifications.....................................................................................................................31

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Celestron AstroMaster 130 EQ-MD Manual

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