Meade EXT90 - Default Chapter; Table of Contents

Event Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Glossary Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Utilities Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Setup Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Advanced AutoStar Features
Adding Observing Sites. . . . . . . . . . . . . . . . . . . . . .32
Finding Objects Not In the Database . . . . . . . . . . .33
GoTo a User-entered Object . . . . . . . . . . . . . . . . . .33
Observing Satellites . . . . . . . . . . . . . . . . . . . . . . . .33
How to Create Your Own Guided Tour . . . . . . . . . . 34
Writing a Tour . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Landmarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Identify . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Two-Star Alt/Az Alignment. . . . . . . . . . . . . . . . . . . .39
Browse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Maintenance
Basic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . .42
Storage and Transportation. . . . . . . . . . . . . . . . . . .42
Inspecting the Optics. . . . . . . . . . . . . . . . . . . . . . . .42
Trouble Shooting. . . . . . . . . . . . . . . . . . . . . . . . . . .43
Meade Customer Service
How to get in contact. . . . . . . . . . . . . . . . . . . . . . . .44
Appendix A:
Training the Drive . . . . . . . . . . . . . . . . . . . . . . . . . .45
Appendix B:
Basic Astronomy . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Appendix C:
Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Appendix D:
Equatorial (Polar) Alignment . . . . . . . . . . . . . . . . . .50
Appendix E:
Latitude Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Appendix F:
Maksutov-Cassegrain Optical System . . . . . . . . . .55
Appendix G:
Magnetic Declination - North America. . . . . . . . . . .56
Appendix H:
Magnetic Declination - the World . . . . . . . . . . . . . .57
Recycling:
How to recycle. . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Meade Warranty
One Year Limited Warranty . . . . . . . . . . . . . . . . . . .59
® The name “Meade,” “AutoStar” and the Meade logo are
trademarks registered with the U.S. Patent and Trademark
Ofce and in principal countries throughout the world. “Deep
Sky Imager”, “ETX90”, and “Tonight’s Best” are trademarks of
Meade Instruments Corp.
Patents:
US 7,277,223, US 7,079,317, US 7,092,156
US 6,304,376, US 6,369,942, US 6,392,799
© 2011 Meade Instruments Corp.
CONTENTS
Introduction
A solid telescope built for a lifetime of service. . . . . .4
Getting Started
Assembling and Using the ETX Telescope
Assembling the Tripod. . . . . . . . . . . . . . . . . . . . . . . .5
Mounting the Telescope . . . . . . . . . . . . . . . . . . . . . .6
Installing the Batteries. . . . . . . . . . . . . . . . . . . . . . . .6
Attaching Accessories . . . . . . . . . . . . . . . . . . . . . . . .7
Your Telescope is now Fully Assembled . . . . . . . . . .7
Using the Red Dot Finder . . . . . . . . . . . . . . . . . . . . .8
Adjusting the Red Dot Finder . . . . . . . . . . . . . . . . . .8
Aligning the ETX90 . . . . . . . . . . . . . . . . . . . . . . . . . .9
The ETX90 Home Position . . . . . . . . . . . . . . . . . . . .9
Finding True North . . . . . . . . . . . . . . . . . . . . . . . . . .9
Moving Through AutoStar’s Menus. . . . . . . . . . . . .10
Initializing AutoStar . . . . . . . . . . . . . . . . . . . . . . . . .10
Easy (Two-Star) Align . . . . . . . . . . . . . . . . . . . . . . .10
How to Perform the Easy Align Procedure . . . . . . . 11
Go To Saturn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Using the Guided Tour . . . . . . . . . . . . . . . . . . . . . .12
ETX90 Key Features
Telescope
Key Features Identied on the Telescope . . . . . . . .13
Key Features Explained . . . . . . . . . . . . . . . . . . . . .15
Optional MEADE® Accessories
Choosing Eyepieces . . . . . . . . . . . . . . . . . . . . . . . .17
Meade Series 4000 Super Plössl Eyepieces . . . . .17
Meade Series 5000 Premium Eyepieces . . . . . . . .18
Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Related Accessories . . . . . . . . . . . . . . . . . . . . . . . .19
AutoStar #497 Handbox – Basic Usage
Buttons, Display and their functions . . . . . . . . . . . .20
Observing Using AutoStar’s’ Keys . . . . . . . . . . . . .22
Observe the Moon. . . . . . . . . . . . . . . . . . . . . . . . . .23
Terrestrial Observing . . . . . . . . . . . . . . . . . . . . . . . .23
ETX90 Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
AutoStar Operation
AutoStar Navigation Exercise . . . . . . . . . . . . . . . . .24
Entering Data into AutoStar. . . . . . . . . . . . . . . . . . .25
Guided Tour Menu. . . . . . . . . . . . . . . . . . . . . . . . . .25
Object Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
#497 AutoStar Menu Tree . . . . . . . . . . . . . . . . . . . .26