Celestron 21038 Travel Scope 50 Manuale di istruzioni - Pagina 2
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INTRODUCTION ......................................................................................................................3
ASSEMBLY...............................................................................................................................5
Setting up the Tripod...............................................................................................................5
Attaching the Telescope Optical Tube to the Tripod ................................................................6
Moving the Travel Scope Manually.........................................................................................6
Installing the Diagonal & Eyepiece .........................................................................................7
Installing the Finderscope - Travel Scope 70 only...................................................................7
Aligning the Finderscope ........................................................................................................7
TELESCOPE BASICS................................................................................................................8
Focusing .................................................................................................................................8
Calculating Magnification .......................................................................................................8
Installing & Using the Barlow Lens ........................................................................................8
Determining Field of View......................................................................................................9
General Observing Hints .........................................................................................................9
ASTRONOMY BASICS...........................................................................................................10
The Celestial Coordinate System...........................................................................................10
Motion of the Stars................................................................................................................11
CELESTIAL OBSERVING......................................................................................................12
Observing the Moon..............................................................................................................12
Observing the Planets............................................................................................................12
Observing the Sun.................................................................................................................12
Observing Deep-Sky Objects ................................................................................................13
Seeing Conditions .................................................................................................................15
TELESCOPE MAINTENANCE...............................................................................................16
Care and Cleaning of the Optics ............................................................................................16
TECHNICAL SPECIFICATIONS ........................................................................17
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