EPOCH SIGN IN FUNDAMENTALS EXPLAINED

Epoch compared to equinoxDate-references for coordinate systemsEpochs and durations of validityChanging the regular equinox and epochSpecifying an epoch or equinoxBesselian yearsJulian several years and J2000Epoch of the daySee alsoReferencesNotesCitationsSourcesFurther readingExternal backlinksSo, some stellar positions read through from a star at