Meade LNT Instruction Manual Page 46
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46
LX90 Specifications
Optical design ............................................................Schmidt-Cassegrain
Clear aperture ............................................................8"
Focal length ................................................................2000mm
Focal ratio (photographic speed) ..............................f/10
Resolving power..........................................................0.56 arc secs
Viewfinder....................................................................8 x 50 finder
SmartFinder ................................................................Red dot projected onto finder’s lens
LNT Module ................................................................High accuracy, temperature-compensated
....................................................................................oscillator, updatable using Meade’s
....................................................................................
optional ATUM accessory
Coatings ....................................................................Meade EMC Super Multi-Coatings
Mounting
....................................................................Cast-aluminum, double-tine forks
Gears ........................................................................4.9"-dia worm gears, both axes
Alignment ..................................................................Altazimuth or equatorial w/optional wedge
....................................................................................5 arc-minutes in GO TO mode
....................................................................................1x sidereal to 6.5°/sec in 9 increments
Tripod ..........................................................................Variable-height field tripod
Accessories ................................................................1.25" diagonal prism
....................................................................................Super Plössl 26mm eyepiece
Net telescope weight ..................................................31 lbs.
Net tripod weight ........................................................
20 lbs.
AutoStar Specifications
Processor ............................................................................68HC11, 8MHz
Flash Memory ............................................................1MB, reloadable
Keypad ........................................................................20 key alphanumeric
Display ........................................................................2 line, 16 character LCD
Backlight......................................................................Red LED
Utility Light ..................................................................Yes
RS-232 ........................................................................Yes
Coil Cord ....................................................................24"
Database ....................................................................30,223 objects
AutoStar Dimensions
Length ........................................................................6.56" (16.6cm)
Width (LCD end) ........................................................3.19" (80cm)
Width (Connector end)
................................................2.25" (57cm)
Depth
..........................................................................
0.81" (21cm)
A
utoStar net w
eight
....................................................
1.12 lbs (0.51kg
)
- Instruction Manual 1
- CONTENTS 3
- QUICK-START GUIDE 4
- HBX Port 5
- AutoStar Coil 5
- Cable Port 5
- Side View 6
- Rear View 6
- Computer Control Panel 6
- To Attach the Handbox Holder: 8
- AUTOSTAR FEATURES 9
- GETTING STARTED 12
- Battery 13
- Compartment 13
- Choosing an Eyepiece 14
- Using SmartFinder 14
- Aligning SmartFinder 15
- Aligning the Viewfinder 15
- OBSERVING 16
- Slew Speeds 17
- Observe the Moon 17
- Astronomical Observing 18
- Automatic Alignment 19
- Go To Saturn 20
- Using the Guided Tour 20
- BASIC AUTOSTAR OPERATION 21
- Entering Data into AutoStar 22
- Navigating AutoStar 22
- LX90 TIPS 22
- AUTOSTAR’S MENUS 23
- MENUS AND MENU OPTIONS 24
- Event Menu 25
- Glossary Menu 25
- Utilities Menu 25
- Observing Considerations 26
- Setup Menu 27
- Table 1: Time Zone Shift 28
- ADVANCED AUTOSTAR FEATURES 30
- 31
- Landmarks 36
- Identify 37
- Advanced Alt/Az Alignment 37
- PHOTOGRAPHY WITH THE LX90 39
- Fig. 17: The Lunar 40
- Planetary Imager 40
- Fig. 16: Meade Deep 40
- Sky Imager 40
- OPTIONAL ACCESSORIES 41
- MAINTENANCE 43
- LX90 Specifications 46
- AutoStar Specifications 46
- AutoStar Dimensions 46
- Polar Alignment 47
- Celestial Coordinates 47
- Little Dipper 48
- Cassiopeia 48
- EQUATORIAL WEDGE 49
- Precise Polar Alignment 50
- Star Charts 51
- APPENDIX B: HELPFUL CHARTS 52
- Further Study 53
- MEADE LIMITED WARRANTY 60
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