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Celestron
Telescope
NexStar 8
Page 7
Celestron NexStar 8 - Page 7
61 pages
Manual
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7
1
Optical Tub
e
6
Battery Compartment
2
Star Pointer Finderscope
7
Tripod
3
Eyepiece
8
ON/OFF Switch
4
Star Diagonal
9
Hand Control
5
Focuser Knob
10
Liquid Crystal
Display
1
2
3
4
5
9
7
10
6
8
Figure 1-A - The NexStar 8
6
8
Table of Contents
Main Page
Default Chapter
2
Table of Contents
2
Introduction
4
W a R N I N G
4
Quick Setup
5
A S S E M B L I N G T H E N E X S T a R
8
Powering the Nexstar
8
Attaching the Nexstar to the Tripod
9
The Hand Control
9
The Star Diagonal
10
The Eyepiece
10
The Star Pointer Finderscope
11
Hand Control
13
Hand Control Operation
14
Alignment Procedure
14
Object Catalog
16
Selecting an Object
16
Slewing to an Object
17
Finding Planets
17
Tour Mode
17
Direction Buttons
18
Rate Button
18
Setup Procedures
18
Tracking Mode
18
Tracking Rate
19
Date/Time
19
User Defined Objects
19
Get RA/DEC
19
Get Alt-Az
19
Goto R.a/Dec
20
Goto Alt-Az
20
Utility Features
20
Rs-232
20
Demo
20
Light Control
20
Cord Wrap
20
Anti-Backlash
20
Telescope Basics
22
Image Orientation
22
Focusing
23
Calculating Magnification
23
Determining Field of View
23
General Observing Hints
24
Astronomy Basics
25
The Celestial Coordinate System
25
Motion of the Stars
26
Polar Alignment (with Optional Wedge)
27
Finding the North Celestial Pole
28
Celestial Observing
29
Observing the Moon
29
Observing the Planets
29
Observing the Sun
30
Observing Deep Sky Objects
30
Seeing Conditions
30
Transparency
30
Sky Illumination
30
Seeing
31
Celestial Photography
32
Short Exposure Prime Focus Photography
32
Eyepiece Projection
33
Long Exposure Prime Focus Photography
34
Terrestrial Photography
35
CCD Imaging
36
Telescope Maintenance
37
Care and Cleaning of the Optics
37
Collimation
37
Optional Accessories
39
Appendix A - Technical Specifications
42
Appendix B - Glossary of Terms
43
Appendix C -Longitudes and Latitudes
46
Appendix D - Rs-232 Connection
51
Appendix E - Maps of Time Zones
52
Sky Maps
54
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