内容简介
Guidingacraftusingoneoftheoldestofthemariner'sarts-celestialnavigationAsromantic–soundingassailingtoTahitididcenturiesago,usingthesun,moon,planets,andstarstoguideone'sboatontheseasisenjoyingacomeback.Forthosewhodonotwishtobecaughtshortwhenmoderntechnologyfailsonboard,knowinghowtochartapathwiththeaidofasextantisanessentialnavigatingskill.InCelestialNavigation,veteranyachtsman,TomCunliffe,revealshowanyboatownercanmasterthisseafaringtechnique,withoutcomplexmathematics,usinghissimplifiedapproach.Readersbeginwithasoundfoundationofbasicconceptsanddefinitions,beforemovingontothehardware-thesextantandhowtouseit.Withinafewpages,you'llbeworkingoutyourlatitudefromanoonsight,andlearninghowtoplotapositionfromobservingthesun,planets,moonorstars-orwhereveryoumaybeontheworld'soceans.HelpsreaderspreparefortheRYAYachtsmasterOceanExam,whichincludescelestialnavigationasarequirementIncludescleardiagramsandworkedexamplestohelpguidethenovicenavigatorNeweditionhasdownloadablematerial,anewchapteronelectronicnavigationaswellasthebonusfeatureofonlinevideodemonstrationsWhethersettingouttoseaonashortorlongjourney,CelestialNavigationisanessentialguidetousingthesun,moon,planets,andstarsasyourguidepostshome.