Leisure-time LX20 Manuel d'utilisateur

Instruction Manual7" LX200 Maksutov-Cassegrain Telescope8", 10", and 12" LX200 Schmidt-Cassegrain TelescopesMeade Instruments Corp

The LX200 can also be moved manually with the R.A. and Dec.locks released, or as described above only. The Declinationmanual slow-motion knob (1, Fig.

8. Press ENTER to complete the site information input. Thedisplay will go back to Display 3.9. Press MODE to go back to Display 2.10. Press

3. Loosen the R.A. lock (7, Fig. 1) and rotate the telescope sothat the R.A. pointer (9, Fig. 1) and the HA pointer (16, Fig. 1) areapproximately

2. Telescope Position. The first display shows the RA andDEC (telescope position in stellar coordinates) and thesecond display (accessed by pressing

THE LX200 KEYPAD HAND CONTROLLERDesigned to make you a better astronomer, the integration ofoptics, mechanics, electronics, and software in the LX200M

7. FOCUS KeyThe FOCUS key (9, Fig. 6) allows 2 speed electric focus control ofthe optional Meade #1206 Electric Focuser (or equivalent cordedelectri

5. CCD ConnectorThe CCD Port (10, Fig. 7) allows direct interface from popularaftermarket CCD autoguiding/imaging cameras with theircompatible conne

options, which are; ALTAZ, POLAR, and LAND.Assuming that you have already entered correct local time,latitude, and longitude (see QUICK START, page 9

side of the keypad. Altazimuth coordinate readings canstill be displayed in the coordinates mode (see MODE 2,page 22). Refer to QUICK START (page 9) f

9. HI-PRECISION: The High-Precision Pointing feature ofLX200 allows for very precise pointing of the telescope. Byincorporating the unique LX200 SYNC

In the Schmidt-Cassegrain design of the Meade 8", 10", and 12" models, light enters from the right, passes through a thin lens with 2-s

step c, above. Press ENTER when the number isentered.e. Check the time delay as described in step b. If there isa delay, increase the compensatio

menu selection, the OBJECT INFORMATION menuselection, or the FIELD menu selection.4. PARAMETERS: It is here that you can edit the Press ENTER

in a given eyepiece while in the FIELD menu. At powerup the RADIUS menu file option is set to 15 arc minutes,the radius of 1/2 a degree (30 arc minute

FREQ RATEDESCRIPTIONNOTES60.1 Hz QSidereal rate;Quartz settingDefault rate at power up.Gives sidereal frequencyaccuracy to ±.005%; Bestfor astrophotos

MAGNIFICATION AND FIELD OF VIEW1. MagnificationThe magnification (power) of the telescope depends on twocharacteristics: the focal length of the mai

APPENDIX A: EQUATORIAL WEDGEThere are two equatorial wedges used on Meade LX200telescopes. Please read the section, below, that applies to yourtelesco

the tilt-plate. If the main crossbar of the DLA is alreadytightened into place this will inhibit your installation of the tilt-plate. You will therefo

Thread one of these knobs (or screws, as appropriate) partiallyinto the hole on the underside of the drive base, located at thecurved-end of the drive

c. Finding True NorthThe Magnetic Compass is now ready to use. Just follow thesesimple steps for a quick and easy azimuth alignment:1. Loosen the k

APPENDIX B: EQUATORIAL USE1. Celestial CoordinatesCelestial objects are mapped according to a coordinate system onthe Celestial Sphere, an imaginary s

¬ WARNING! ¬Never use the LX200 telescope to look at the Sun! Looking at or near the Sun will cause instant andirreversible damage to your eye. Eye d

As an aside procedure, during your first use of the telescope, youshould check the calibration of the Declination setting circle (3,Fig. 1), located a

APPENDIX C: LX200ALIGNMENTSTAR LIBRARYAND STAR CHARTS:1. Alignment StarsThe LX200 utilizes 33 bright and well known stars to calibrate thetelescope

2. Star Charts(for Northern Hemisphere Observers)32

33

APPENDIX D: LX200 64,359-OBJECT LIBRARY1. The LX200 64,359-Object LibraryThe LX200 64,359-Object Library is a collection of the moststudied and fant

The following types are distinguished in the CNGC:TYPE LEGEND DESCRIPTION0None Unverified Southern Object1OPENOpen Cluster2GLOB Globular Cluster3DNEBD

MAG TYPE & DESCRIPTION ALT NAME Q TAGS COMMON NAME/COMMENTS004500 14.0-2310486 10.4 GALAXY S- IV-V UGCA4C5ST8.1x5.8005500 15.1 -39

CNGC Catalog (continued)Q TAGS COMMON NAME/COMMENTS174605 03.6+234925206.1pOPEN CLUS c1 ST176304 56.8-662415008.3 OPEN CLUS + ENEB IN LMC BFS180705

CNGC Catalog (continued)Q TAGS COMMON NAME/COMMENTS24370741.9 -144916206.1vOPEN CLUS sp=B8 CNGC 2437 C 1 STM46 5400ly (+CNGC 2438 PN)244707 44.6-23

CNGC Catalog (continued)Q TAGS COMMON NAME/COMMENTS43491224.2-61 54 9607.4vOPEN CLUS c 1 ST43741225.1 +1253300 9.3 GALAXY E1

Contents7" LX200 Maksutov-Cassegrain Telescope 8",10", & 12" LX200 Schmidt-Cassegrain TelescopeIntroduction 51. What is the LX

Q TAGS COMMON NAME/COMMENTS59275986602560671528.01546.11603.716 13.3-5040 -3746 -6030 -5413720 588720 7808.3v7.1v5.1v5.6vGLOBCLUS GLOBCLUS OPENCL

CNGC Catalog (continued)Q TAGS COMMON NAME/COMMENTS698120 53.5-12 33 3549.4vGLOB CLUSCNGC 6981D2ST M72699420 59.0-12371688.9p OPENCLUSCNGC 6994 D 1

DEC SIZE MAG TYPE & DESCRIPTION*100 08.3 +2906 2.1vSTARB8.5p IV:(Hg+Mn) Alpha And 8 ST Alpheratz*200 09.2+59 102.3vSTARF2 III-IVBe

STAR Catalog (continued)DEC SIZE MAG TYPE & DESCRIPTIONQ TAGS COMMON NAME/COMMENTS*6106 22.9+22312.8vSTAR M3 IllabMu Gem8ST Te

STAR Catalog (continued)DEC SIZE MAG TYPE & DESCRIPTION*1211226.6 -630650 1.3vSTARB0.5 IV + B1 VnAlpha Cru A 9 STAcruxA B=1.7*122122

STAR Catalog (continued)DEC SIZE MAG TYPE & DESCRIPTION Q TAGS COMMON NAME/COMMENTS*1811641.3+31 36112.8vSTAR G1 IV + G7 VZeta

STAR Catalog (continued)DEC SIZE MAG TYPE & DESCRIPTION Q TAGS COMMON NAME/COMMENTS*241*242*243 -244*24522 05.8 2208.3 2218.6 2

STAR Catalog (continued)DEC SIZE MAG TYPE & DESCRIPTION Q TAGS COMMON NAME/COMMENTS*3011226.6-630647 1.6STAR1.6:2.1@114Alpha Cr

ALT NAME Q TAGS COMMON NAME/COMMENTSM 1 M2 M 3M 4 M505 34.521 33.51342.31623.715 18.6+2201 -0050+2823 -2631+0205360 774972 157810448.4 6.

M (Messier) Catalog (continued)ALT NAME Q TAGS COMMON NAME/COMMENTSM 611222.0 +0428360 9.7 GALAXY Sc I 2-SYS UGC 7420DASTM61 6.0x5.5 F

INTRODUCTIONAs a new LX200 owner, you are preparing for a journey into theuniverse with the most advanced amateur telescope everproduced. The advent o

APPENDIX E: MAINTAINING YOUR LX2001. Keeping Your Telescope CleanPrevention is the best recommendation that a telescope ownercan follow to keep astr

environmental pollutants, or temperature changes reacting withthe interior paint, causing outgassing or water condensation, orcombinations thereof.It

d. Turn the set screw that you found with the pointing exercisewhile looking in the eyepiece. You will notice that the starimage will move across

APPENDIX F: LX200PERSONAL COMPUTER CONTROLRemote operation of a computerized telescope has only been afanciful dream for most amateur astronomers. The

PC keyboard, this will move the LX200 North, South, East, or Westrespectively. Press the space bar on the PC keyboard to stop.Press X to exit the prog

Command :Sg DDD*MM#Returns OkSets the longitude of the currently selected site.Command :GG#Returns sHH#Gets the offset from Gr

Gefs the brighter (Gb) or fainter (Gf) magnitude limit forthe FIND operation.Command :Sb sMM.M#:Sf sMM.M#Returns OkSets the brighter (Sb) or fa

4. LX200 Demo ProgramThe RS-232 interface communicates with your computer at 9600Baud Rate, Parity = None, 8 Data Bits, 1 Stop Bits. For those whoa

59REM KEYSIFkey$ = CHR$(119)THEN GOSUB senddir: REM a$ = "#:Mw#"IFkeyS = CHR$(101)THEN GOSUB senddir: REM a$ = "#:Me#"IF key$ = CH

60OBDRAW:LOCATE 6, 31: PRINT" OBJECT INFORMATION";LOCATE 7, 31: PRINT "Object: "; LEFT$(info$, 9);LOCATE 8, 31: PRINT &qu

celestial software library; 25 ft. power cord and adapter fortelescope operation from 115v.AC; 8 x 50mm viewfinder;eyepiece-holder and diagonal prism

61KEYS:PRINT #1,"#:RC#"LOCATE 24, 1: PRINT"LOCATE 24, 34: PRINT CHR$(219); CHR$(178); CHR$(176); CHR$(176); CHR$(178); CHR$(219);RETURN

TelescopeOptical Design7" LX200 f/15Maksutov-Cassegrain Catadioptric8" LX200 f/6.3Schmidt-Cassegrain Catadioptric10" LX200 f/6.3Schmi

63TelescopeOphcai Design8" LX200I/10an-Schmidt-CassegrainCatadioptric10" LX200f/10Schmidt-Cassegrain Catadioptric200 f/10Schmidt-Cassegrain

Operating InstructionsMeade Standard Field TripodFor use with the 7" LX200 Maksutov-Cassegrain, 8" LX200 and 10"LX200 Schmidt-Cassegrai

Operating InstructionsMeade® 18-volt DC Power SupplyFor Use with Meade LX200 Model TelescopesINTRODUCTIONMeade LX200 model telescopes are now supplied

TELESCOPE ASSEMBLYUse the following steps to assemble your telescope.NOTE: If the section is not applicable to all LX200 models, it isnoted at the beg

2. Mounting the ViewfinderEach 7", 8", 10", and 12" LX200 telescope is supplied as standardequipment with an 8x50mm straight-thr

QUICK STARTTo utilize all the features of the telescope, it is necessary to entersome information into the telescope's computer memory, andlearn