Sky-watcher Multi-Purpose Computerized Mount Manuale Utente Scaricare il pdf (Pagina 26)

Star Alignment

InorderfortheSynScanAZtocorrectlypointtoobjectsinthesky,itmustrstbealignedtotwoorthreeknownpositions(stars)in

thesky.AstheEarthrotatesonitsaxisevery24hours,astronomicalobjectsappeartomovethroughtheskyfollowinganarc.Withthe

suppliedinformation,thetelescopecanreplicateamodeloftheskyandthemovementsofastronomicalobjects.Staralignmentcanbe

doneanytimeduringtheobservingsessionbychoosingAlignment under Setup Menu.

TherearethreemethodstoaligntheSynScanAZ–BrightestStaralignment,2-StaralignmentandDaytimealignment.Ifyouareusing

theSynScanAZforthersttime,andyouarenotfamiliarwithcelestialobjectsinthesky,werecommendthatyoubeginwiththe

BrightestStaralignment.

Note: Before performing either alignment method, make sure that your nderscope is well aligned with the telescope tube.

Brightest Star Alignment

1. Inthealignmentscreen,selectBrightestStaralignmentusingthescrollkeysandpressENTERtoconrm.

2. Locatethebrighteststarintheskythatisfarawayfromotherbrightstars.Pointthetelescoperoughlytothestaryouchoseusing

 thehandcontrolorbylooseningtheclutchesandmovingthetelescopebyhand.

3. The hand control will prompt “Select Region.”Usingthescrollkeys,youwillneedtoidentifytheregionofskythestaryou

 choseiscurrentlyin.Eachregioncoversa90-degreespaninazimuth.Thetablebelowexplainstherangeoftheeightdirectional

 divisions.

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4. Thehandcontrolwillgeneratealistofstarslocatedwithinthisregionthatarebrighterthanmagnitude1.5,startingfromthe

 brightesttothedimmest.Starsandplanetsbelow10degreesorhigherthan75degreesabovethehorizonwillbelteredout.

 ThenameandmagnitudeofthealignmentstarwillbedisplayedontherstlineoftheLCD.Theapproximatepositionwillbe

 promptedonthesecondline.Forexample,ifArcturusisdisplayedasanalignmentstar,itsmagnitude(0.0)anditslocation

 (88.1˚ east and 24.1˚abovethehorizon)willappearasshowninFig. 40 Press ENTER to continue.

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Fig. 40

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 43 44

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Sky-watcher Multi-Purpose Computerized Mount Manuale Utente Pagina 26