Manuals / Meade / Lawn and Garden / Telescope

Meade LXD55 6 f/5 Model SN-6, SN-6EC Specifications, 8 f/4 Model SN-8, SN-8EC Specifications

Models: LXD55

1 64

Download 64 pages 840 b

Page 45

SPECIFICATIONS

SPECIFICATIONS

6" f/5 Model SN-6, SN-6EC Specifications

Optical design	Schmidt-Newtonian
Clear aperture	6" (152mm)
Focal length	762mm
Focal ratio (photographic speed)	f/5
Resolving power	0.74 arc secs
Coatings	Meade EMC Super Multi-Coatings
	Ultra-High Transmission Coating optional
Mounting	Die-cast aluminum
Input Voltage	12v DC
Alignment	German-type equatorial mount
Slew Speeds	SN-8: 1x sidereal to 4.5°/sec
	in 9 increments
	SN-8EC: 2x sidereal to 4.5°/sec
	in 4 increments
Tripod	Variable-height field tripod
Accessories	6 x 30mm finder
	T-Adapter
	Super Plössl 26mm eyepiece
	1.25" and 2" eyepiece holders
	Battery pack for 8 D-cell batteries
	(user-supplied)
	SN-6: Autostar Controller
	SN-6EC: Electronic Controller
Polar Finder Reticle Batteries	Maxell LR41 or equivalent
Net telescope weight	13 lbs.
Net tripod weight	35 lbs.

8" f/4 Model SN-8, SN-8EC Specifications

Optical design	Schmidt-Newtonian
Clear aperture	8" (203mm)
Focal length	812mm
Focal ratio (photographic speed)	f/4
Resolving power	0.56 arc secs
Coatings	Meade EMC Super Multi-Coatings
	Ultra-High Transmission Coating optional
Mounting	Die-cast aluminum
Input Voltage	12v DC
Alignment	German-type equatorial mount
Slew Speeds	SN-8: 1x sidereal to 4.5°/sec
	in 9 increments
	SN-8EC: 2x sidereal to 4.5°/sec
	in 4 increments
Tripod	Variable-height field tripod
Accessories	6 x 30mm finder
	T-Adapter
	Super Plössl 26mm eyepiece
	1.25" and 2" eyepiece holders
	Battery pack for 8 D-cell batteries
	(user-supplied)
	SN-8: Autostar Controller
	SN-8EC: Electronic Controller
Polar Finder Reticle Batteries	Maxell LR41 or equivalent
Net telescope weight	24 lbs.
Net tripod weight	45 lbs.

45

Image 45

Meade LXD55 instruction manual 6 f/5 Model SN-6, SN-6EC Specifications, 8 f/4 Model SN-8, SN-8EC Specifications

Contents

Instruction Manual Meade Instruments CorporationLXD55-Series Telescopes Page CONTENTS Easy Align U.S. patent 6,392,799 and other patents pend- ing2003 Meade Instruments Corporation J I H g f e d C B TELESCOPE FEATURESd B 1 1% g f e Fig. 1c The LXD55-Series Tripod2$2% Fig. 1d The LXD55-Series MountFig. 1e The LXD55-Series Computer Control Panel see 2$ above Diagonal not shown, achromatic refractor models only Provides a more 8 x 50mm achromatic refractors models or 6 x 30mm Schmidt-NewtonianLXD55-SeriesYour Personal Window to the Universe Computer Control Panel see Fig. 1e 2# 2$Join an Astronomy Club, Attend a Star Party LXD55 TIPSAUTOSTAR FEATURES FeaturesTour the Cosmos with Just the Push of a Button Local Time and Local Sidereal Time LST Timer and Alarm Status Note Pressing MODE repeatedly while in the “Select Item” level movesPress MODE again to return to the previous menu Autostar to the topmost screen “Select Item Object.”Telescope Assembly How to Assemble Your TelescopeMotor Assembly AccessoriesAttach viewfinder bracket Achromatic refractor and Schmidt-Cassegrain Balancing the Telescope Note Remember to turn off the LED when you are not using the reticleAligning the Viewfinder Choosing an EyepieceFig. 14 Viewfinder Alignment Observing by Moving the Telescope Manually Too Much Power?LXD55 TIPS Activate the Arrow Keys Autostar Models Only Slew Speeds Autostar Models Onlyx sidereal 0.25 arc-min/sec or 0.004/sec Setting the Polar Home Position Observe the MoonTracking Objects Observe a Star using the Automatic Tracking Feature Using Autostars GO TO Capabilities Autostar Models OnlyWhich One’s the Alignment Star? Initializing Autostar Autostar Models Only Moving Through Autostar’s Menus Autostar Models OnlyTraining the Drive Autostar Models Only Go To Saturn Autostar Models Only Easy Alignment Autostar Models OnlyUsing the Guided Tour Autostar Models Only Autostar Autostar Navigation ExerciseExample To Calculate Sunset timeNavigating Autostar Entering Data into AutostarLook into the Future LXD55 TIPSSelect Item Setup AUTOSTARS MENUSSelect Item Object Select Item EventObject Menu MENUSGlossary Menu Event MenuUtilities Menu Never use a MeadeSetup Menu LXD55 TIPS Observing Considerations c. Custom Allows entry of user-defined tracking rates Note Autostar compensates for daylight savings time, if selected. SeeLXD55 TIPS Surf the WebStatistics provides basic statistical data about Autostar, including Version Shows the current version of the Autostar softwareTo Add a Site to the user-defined site list Adding Observing SitesTo Edit a Site USEFUL AUTOSTAR PROCEDURESTo GO TO a user-entered object Using Autostar to Find Objects Not in the LibrariesObserving Satellites LandmarksTo Add a landmark to the database To Check on the Available Memory To Select a landmark from the databaseTo perform a Landmark Survey d C B PHOTOGRAPHYA few tips on photography with the LXD55-Series telescopes Fig. 24 Series 4000 Eyepieces Fig. 25 #140 2x Barlow Lens OPTIONAL ACCESSORIESFig. 26 #905 Variable Polarizer Fig. 27 Series 4000 8 - 24mm Zoom EyepieceFig. 28 Series 4000 Photo-Visual Fig. 29 Series 4000 Nebular Filters Fig. 30 #505 Cable Connector KitPage General Maintenance Alignment Collimation of the Schmidt-Newtonian Optical SystemMAINTENANCE b c d e f g Alignment Collimation of the Schmidt-Cassegrain Optical System Fig. 33a Defocused star images. Misaligned 1, 2, Aligned Caution Do not force the three collimationInspecting the Optics Meade Customer ServiceSPECIFICATIONS 6 f/5 Model SN-6, SN-6EC Specifications8 f/4 Model SN-8, SN-8EC Specifications 10 f/4 Model SN-10 Specifications 5 f/9.3 Model AR-5, AR-5EC Specifications6 f/8 Model AR-6 Specifications 8 f/10 Model SC-8 Specifications Autostar SpecificationsAutostar Dimensions APPENDIX A CELESTIAL COORDINATES Setting CirclesOne- and Two-Star Polar Alignment Locating the Celestial PoleOne-Star Polar Alignment Two-Star Polar AlignmentTo align your telescope to North using the polar alignment viewfinder Axis Alignment ProcedureProcedure #1 To correct for attitude misalignment The Polar Alignment ViewfinderProcedure #2 To correct for elevation misalignment Star Charts TipsLXD55 TIPS Method 2 Axis Alignment Using Autostar Latitude Chart for Major Cities of the World APPENDIX C LATITUDE CHARTCity State/Prov./CountryAPPENDIX D EC HANDBOX Light NoLight Status See pages 17 and 18 for more information To move the telescope using the Electronic ControllerModes of Operation Slew SpeedsTracking Rates Note The tracking rate can be increased by up to 65%Note The tracking rate can be decreased by up to 65% Optional Autostar Computer Controller for LXD55 EC Users Changing the Polar ModeFig. 47 Indicator Light Key for Changing the Polar Mode Note The tracking rate can be increased by up to 65%APPENDIX E MOUNTING THE MODEL SC-8 SCHMIDT- CASSEGRAIN OPTICAL TUBE How to Attach the Optical Tube to the MountAutostar Glossary APPENDIX F BASIC ASTRONOMYObjects in Space The MoonPlanets Deep-Sky ObjectsFig. 53 The Pleiades is one of the most beautiful open clusters LXD55 TIPS Further StudyTopics BooksPage MEADE LIMITED WARRANTY Meade Instruments CorporationA D V A N C E D P R O D U C T S D I V I S I O N