Celestron 21072 Manual de Instruções descarregar pdf (Página 2)

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

Aligning the Setting Circles...................................................................................................... 19

CELESTIAL OBSERVING ......................................................................................................... 20

Observing the Moon ................................................................................................................. 20

Observing the Planets ............................................................................................................... 20

Observing the Sun..................................................................................................................... 20

Observing Deep Sky Objects....................................................................................................21

Seeing Conditions .....................................................................................................................21

ASTROPHOTOGRAPHY............................................................................................................ 22

Short Exposure Prime Focus Photography ............................................................................... 22

Piggyback Photography ............................................................................................................ 22

Planetary & Lunar Photography with Special Imagers............................................................. 22

CCD Imaging for Deep Sky Objects ........................................................................................ 22

Terrestrial Photography ............................................................................................................ 22

TELESCOPE MAINTENANCE..................................................................................................23

Care and Cleaning of the Optics............................................................................................... 23

Collimation of a Newtonian...................................................................................................... 23

OPTIONAL ACCESSORIES ..................................................................................................... 26

AstroMaster Specifications........................................................................................................... 27

1 2 3 4 5 6 7 ... 28 29

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