Virtual observatory - Ephemerides - Help

Input Fields



	UD              : Date of beginning of the calculation (UT = 00:00:00).
	
	UT              : Universal Time of beginning of the calculation.
		
	TZ offset       : Time zone offset from Greenwich in hours.
		
	Longitude       : Geographical longitude of the place of observation.
	
	Latitude        : Geographical latitude of the place of observation.
		
	Stepsize        : Stepsize between two calculation steps in HH:MM:SS.
			  Must be between 00:00:00 and 99:59:59 or can be
			  selected from the SELECT tag on the right hand side. 
		
	Number of steps : Number of steps to be performed.

Columns



        Seq     : Sequence number
        UD      : UT Date
        UT      : Universal Time
        ET      : Ephemeris Time
        DT      : Delta T
        LD      : Local Date
        LT      : Local Time
        Week    : Week of the year
        Day     : Day of the year
        Dow     : Day of the week
        JD      : Julian Date in UT
        JED     : Julian Date in ET
        GST     : Greenwich Sidereal Time
        LST     : Local Sidereal Time
        EqTime  : Equation of time
        Obj     : Object
        Cns     : Constellation
        RA      : Right Ascension
        HA      : Hour Angle
        Dec     : Declination
        Az      : Azimuth
        Alt     : Angle above horizon
        Air     : Air mass
        HeLong  : Heliocentric longitude
        HeLat   : Heliocentric latitude
        GLong   : Galactic longitude
        GLat    : Galactic latitude
        EcLong  : Geoc. ecliptic longitude
        EcLat   : Geoc. ecliptic latitude
        EaDst   : Distance from Earth
        EaLght  : Light travel time to Earth
        SnDst   : Distance from Sun
        SnLght  : Light travel time to Sun
        Elong   : Angular degrees from Sun
        Diam    : Diameter (arcsec)
        VMag    : Apparent magnitude
        Phase   : Illuminated fraction
        RiseTm  : Rise time
        RiseAz  : Rise azimuth
        TrnTm   : Transit time
        TrnAl   : Transit altitude
        SetTm   : Set time
        SetAz   : Set azimuth
        HrsUp   : Number of hours object is up
        Nameday : Hungarian name-days
        Note    : Note (to eclipses)