Celestron FirstScope 21024 - Table of Contents

2
Table of Contents
INTRODUCTION .......................................................................................................................... 3
ASSEMBLY ................................................................................................................................... 5
Installing the Eyepieces .............................................................................................................. 5
Pointing the Telescope................................................................................................................ 5
TELESCOPE BASICS ................................................................................................................... 6
Image Orientation .......................................................................................................................6
Focusing...................................................................................................................................... 7
Calculating Magnification ..........................................................................................................7
Determining Field of View......................................................................................................... 7
General Observing Hints............................................................................................................. 7
The Celestial Coordinate System................................................................................................ 8
Motion of the Stars...................................................................................................................... 9
CELESTIAL OBSERVING ......................................................................................................... 10
Observing the Moon ................................................................................................................. 10
Lunar Observing Hints.............................................................................................................. 10
Observing the Planets ............................................................................................................... 10
Observing Deep Sky Objects- Star Hopping ............................................................................ 10
Seeing Conditions..................................................................................................................... 13
ASTROPHOTOGRAPHY............................................................................................................ 13
TELESCOPE MAINTENANCE.................................................................................................. 14
Care and Cleaning of the Optics ............................................................................................... 14
Collimation of a Newtonian...................................................................................................... 14
OPTIONAL ACCESSORIES ..................................................................................................... 16
FirstScope Specifications.............................................................................................................. 16