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Celestron
C21061
manual
The Celestial Coordinate System
Models:
C21061
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26 pages
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Specs
Quick and easy no-toolset up
Battery Compartment
Setting up the Tripod
Focusing
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Contents
AstroMaster Series Telescopes
Table of Contents
Quick and easy no-toolset up
8 9 Figure 1-1AstroMaster 90AZ Refractor
8 9 Figure 1-2AstroMaster 114 AZ Newtonian
Setting up the Tripod
Attaching the Telescope Tube to the Mount
Moving the Telescope Manually
Installing the Eyepieces on the Newtonians
Installing the Diagonal & Eyepieces refractor
in step 2 above
telescope useful for terrestrial viewing
Page
Image Orientation
Focusing
Aligning the Finderscope
Battery Compartment
Calculating Magnification
Switch
Focal Length of Telescope mm
General Observing Hints
Determining Field of View
The Celestial Coordinate System
Motion of the Stars
Observing the Planets
Observing the Moon
Observing the Sun
Lunar Observing Hints
Star Hopping
Observing Deep Sky Objects
4.Point about halfway between these two stars
Transparency
Seeing Conditions
Sky Illumination
Seeing
Piggyback Photography
Short Exposure Prime Focus Photography
CCD Imaging for Deep Sky Objects
Terrestrial Photography
Collimation of a Newtonian
Care and Cleaning of the Optics
Aigning the Secondary Mirror
Night Time Star Collimating
Aligning the Primary Mirror
to achieve the necessary mirror movement
You will find that additional accessories for your AstroMaster telescope will enhance your viewing pleasure and expand the usefulness of your telescope. This is just a short listing of various accessories with a brief description. Visit the Celestron website or the Celestron Accessory Catalog for complete descriptions and all accessories available
Note Specifications are subject to change
Specifications
AstroMaster
21061
Copyright 2007 Celestron All rights reserved
Celestron
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