EPOCH SIGN IN - AN OVERVIEW

Epoch vs . equinoxDate-references for coordinate systemsEpochs and periods of validityChanging the normal equinox and epochSpecifying an epoch or equinoxBesselian yearsJulian yrs and J2000Epoch on the daySee alsoReferencesNotesCitationsSourcesFurther readingExternal backlinksSo, some stellar positions read from the star atlas or catalog for your ad