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1/34391AbbreviatedinstructionToseedetailsofspecificationsandoperations,refertotheinstructionmanual:4391instructionmanualEnglishConstellationdialHourhandSecondhandCrownMinutehandActualappearancemaydifferfromtheillustration.
Thecrownhastwopositionswhenpullingitout.
Constellationdial(displayingtheentireskyat35°N)TimesettingpositionCrownAltitude18°lineEclipticDatescaleRightascensionscaleRotationdirectionoftheconstellationandmoondials(innormalcondition)ZenithHorizonCelestialequatorConstellationdialsettingpositionNormalpositionMeridianLocalsiderealtimedisplaypositionDistortionisminimalinthenorthernhemisphereandapproximately97.
4%ofthecelestialspherevisibleat35°Nisdisplayed.
(Thedisplayrangeoftheconstellationdial:declinationfrom55.
57°to+72.
28°)Settingthetime1.
Pullthecrownouttoposition2whenthesecondhandpoints0second.
Thesecondhandstops.
2.
Rotatethecrowntosetthetime.
Movethehands4or5minutesforwardandmovethembacktotherighttimetosetthetimemoreprecisely.
3.
Pushthecrownintoposition0inaccordancewithareliabletimesource.
Thesecondhandstartsmoving.
ComponentidentificationSettingtheconstellationdialandthemoondial1.
FindthetimedifferenceinlocalsiderealtimefromthedifferencebetweenthelongitudeofJapanStandardTimeandthatofyourobservationplace.
+1°oflongitudedifferenceresultsinabout+4-minutetimedifference.
YoucanfindthetimedifferenceinlocalsiderealtimeatyourobservationplacethroughthedifferencebetweenthelongitudeofJapanStandardTime(135°E)andyourplaceusingthefigurebelow.
Forexample,inplacesnearTokyo(thelongitudeofJapanStandardTime+5°),thetimedifferencebecomes20minutes(=5(degree)x4(minute)).
DifferencefromthelongitudeofJapanStandardTimeandtimedifference125°E130°E135°E140°E145°E–40min.
–20min.
0min.
+20min.
+40min.
35°N2.
Pullthecrownouttoposition1.
3.
Rotatethecrowntosettheconstellationdial.
Setthetimeofthedayontherightascensionscaletothecorrespondingdateonthedatescalecompensatingthetimedifferencefoundinstep1.
Ex.
:Inaplaceof140°EonJune11th21:00(compensatedtime:21:20)June11th21:20RightascensionscaleDatescaleFinallyrotatetheconstellationdialclockwisetofinishthesetting.
4.
Pushthecrownintoposition0.
Eachmarkofthedatescaleonthedialisinscribedwithsettingeachday'snoonofuniversaltimeofthemeanyear(21:00JapanStandardTime)asthecenterofthemark.
The1st,11thand21stofeachmonthareindicatedwithathickline,andthe6th,16thand26thareindicatedwithathinline.
Intheperiodwhentherightascensionscaleontheconstellationdialishidden,setthe+2hoursofthecurrenttimeontherightascensionscaletothetargetdateofthepreviousmonth.
Crown'sposition0122/34391AbbreviatedinstructionMainfeaturesTheconstellationdisplayshows452fixedstarsofvisualmagnitude4.
0orbrighter(maximummagnitudevaluesforvariablestars)inincrementsof0.
1andinfourcolorsbyspectraltype.
Inaddition,119majornebulae,starclustersandgalaxies,thedelimitationsofconstellations,theecliptic,andthecelestialequatorareshownbasedontheirpositionsasoftheyear2000.
0.
Theconstellationdialnotonlydisplaysthecurrentpositionsofconstellationsbutalsofunctionsasaplanisphereinwhichtheconstellationdialisindependentlyrotated.
Thesolarpositiondisplayshows,intheformofspacesalongabrokenline,thepositionofthesunalongtheecliptic(thesun'sapparentpathonthecelestialsphereduringtheyear)onthe1st,11th,and21stofeachmonth(for12noonUniversalTimeoverthemeanyear).
Youcanseethetimesforsunriseandsunsetbylookingatthehorizonlineonthedial.
Theazimuthandaltitudedisplayfeatureshowstheazimuthsandaltitudesofthemajorfixedstars,nebulae,starclustersandgalaxiesonthecelestialsphere.
Thealtitudeline,withintervalsof20°onthedial,compensatesforrefractions.
Thelocalsiderealtimedisplayisconvenientforfindingthepositionsofconstellations.
Readingtherightascensionscalethatlaysbelowthemeridianonthedialallowsyoutofindthelocalsiderealtime.
Theastronomicaltwilightindicatorletsyouidentifythehoursofincreasingdarkness,afunctionespeciallyusefulforastronomicalobservations.
Usingthesun'spositionontheeclipticandthe-18°altitudelineonthedial(withreferenceto35°N),youcanfindthebeginningandendofastronomicaltwilight.
Thepolarstarhourdisplayletsyoualignanastronomicaltelescopetothepolaraxis.
Therightascensionvaluesofthepolarstarforevery10yearsbetweentheyear2000.
0and2050.
0isdisplayedwithmarksontheconstellationdial.
Theanglethatismeasuredcounterclockwisefromthemeridiandirectionofthetransparentdialtothepositionequivalenttothecurrentrightascensionvalueofthepolarstaristhepolarstarhourangle.
Thecelestialsphereneartheturningcenteroftheconstellationdialisnotdisplayedbecauseitishiddenunderthehands.
IndicationoftheconstellationdialInprinciple,thefixedstarsaredisplayedbycolorinthecategoriesbelow,basedonthespectraltypes.
SpectrumtypeoffixedstarsDisplayingcolorNo.
ofstarsOtypeandBtypeBluishsilver128AtypeandFtypeSilver134GtypeandKtypeYellowishsilver161MtypeReddishsilver29Thefixedstarmagnitudeisdisplayedneartherightascensionscaleof2-3hontheconstellationdial.
Nearbystars(includingmultiplestars)thataredifficulttoseparateontheconstellationdialaredisplayedwithacombinedmagnitude.
Thecolorandpositionaredisplayedaccordingtothespectraltypeandpositionofthemainstar(thestarthatappearsbrightest).
Variablestarsaredisplayedontheconstellationdialattheirmaximummagnitude.
Notethatvariablestarsarenotseparatelyidentifiedontheconstellationdial.
Themainnebulae,starclustersandgalaxiesaredisplayedinlightgreen.
ThestarclustersofPleiadesandHyadesareshowntogetherinthefixedstargroup.
Nebulae,starclustersandgalaxiesontheconstellationdialM31(And)NGC752(And)M72(Aqr)NGC7009(Aqr)M2(Aqr)NGC7293(Aqr)NGC6397(Ara)M38(Aur)M36(Aur)M37(Aur)M30(Cap)NGC281(Cas)M103(Cas)M52(Cas)NGC5128(Cen)NGC5139(Cen)M77(Cet)M41(CMa)M44(Cnc)M67(Cnc)NGC1851(Col)M99(Com)M100(Com)M85(Com)M88(Com)NGC4565(Com)M64(Com)M53(Com)NGC6541(CrA)NGC4258(CVn)NGC4631(CVn)M94(CVn)M63(CVn)M51(CVn)M3(CVn)I.
1318(Cyg)M29(Cyg)NGC6992-5(Cyg)NGC7000(Cyg)M39(Cyg)M35(Gem)NGC2392(Gem)M13(Her)M92(Her)M48(Hya)NGC3242(Hya)M68(Hya)M83(Hya)NGC2903(Leo)M96(Leo)NGC3379(Leo)M66(Leo)M79(Lep)M57(Lyr)M56(Lyr)NGC2237-9(Mon)M50(Mon)NGC6067(Nor)NGC6171(Oph)M12(Oph)M10(Oph)M62(Oph)M19(Oph)M9(Oph)M14(Oph)M42(Ori)M78(Ori)M15(Peg)M76(Per)NGC869(Per)NGC884(Per)M34(Per)NGC1499(Per)M74(Psc)M47(Pup)M46(Pup)M93(Pup)NGC55(Scl)NGC253(Scl)M80(Sco)M4(Sco)M6(Sco)M7(Sco)M26(Sct)M11(Sct)M5(Ser)M16(Ser)M71(Sge)M23(Sgr)M20(Sgr)M8(Sgr)M21(Sgr)M24(Sgr)M17(Sgr)M28(Sgr)M69(Sgr)M25(Sgr)M22(Sgr)M70(Sgr)M54(Sgr)NGC6723(Sgr)M55(Sgr)M75(Sgr)M1(Tau)M33(Tri)M81(UMa)M82(UMa)NGC3556(UMa)M97(UMa)M101(UMa)NGC3132(Vel)M61(Vir)M84(Vir)M49(Vir)M87(Vir)M58(Vir)M104(Vir)M60(Vir)M27(Vul)Thenebulae,starclustersandgalaxiesarearrangedinthealphabeticorderoftheconstellationtowhichtheybelong,andthosewithinconstellationsareorderedaccordingtotherightascensionsequence(movingtotherightaroundtheconstellationdial).
3/34391AbbreviatedinstructionAbbreviationsofconstellationsandtheirfullnameAbbreviationFullnameAndAndromedaAntAntliaApsApusAqlAquilaAqrAquariusAraAraAriAriesAurAurgiaBooBootesCaeCaelumCamCamelopardalisCapCapricornusCarCarinaCasCassiopeiaCenCentaurusCepCepheusCetCetusChaChamaeleonCirCircinusCMaCanisMajorCMiCanisMinorCncCancerColColumbaComComaBerenicesCrACoronaAustralisCrBCoronaBorealisCrtCraterCruCruxCrvCorvusCVnCanesVenaticiCygCygnusDelDelphinusDorDoradoDraDracoEquEquuleusEriEridanusForFornaxGemGeminiGruGrusHerHerculesHorHorologiumHyaHydraHyiHydrusIndIndusLacLacertaAbbreviationFullnameLeoLeoLepLepusLibLibraLMiLeoMinorLupLupusLynLynxLyrLyraMenMensaMicMicroscopiumMonMonocerosMusMuscaNorNormaOctOctansOphOphiuchusOriOrionPavPavoPegPegasusPerPerseusPhePhoenixPicPictorPsAPiscisAustrinusPscPiscesPupPuppisPyxPyxisRetReticulumSclSculptorScoScorpiusSctScutumSerSerpensSerpensCaputSerpensCaudaSexSextansSgeSagittaSgrSagittariusTauTaurusTelTelescopiumTrATriangulumAustraleTriTriangulumTucTucanaUMaUrsaMajorUMiUrsaMinorVelVelaVirVirgoVolVolansVulVulpeculaAbbreviationsarenotshownfortheAps,Cha,Cir,Cru,Hyi,Men,Mus,Oct,Pav,TrA,TucandVolconstellationsbecausetheyareinarangethatarecompletelyoralmostcompletelyinacelestialsphererangethatcannotbeseenfrom35°N.