With an ephemeris and another astrological book, I made out and copied in six hours Mdlle.
A Table of artificial numbers; to be found at the back of "Raphael's" ephemeris.
An ephemeris is an almanac of the planetary positions day by day throughout any given year.
Take in hand, then, the ephemeris for the year of your birth and read this chapter with it in view.
And now not only is it slightly off course, but so is every ephemeris printed on Mert.
Its position with respect to Saturn on any given date can be learned from the ephemeris.
On a nail by the side of the great fireplace hung proudly and prominently the Family Almanac, the ephemeris.
Dictys (the full title of whose book is ephemeris Belli Trojani) is not only the longer but the better written of the two.
Knowing the location of Venus in the sky, which can be ascertained from the ephemeris, the observer can find it by day.
Plural ephemerides (ěf'ə-měr'ə-dēz')
A table giving the coordinates of a celestial body at specific times during a given period. Ephemerides can be used by navigators to determine their longitude while at sea and by astronomers in following objects such as comets. The use of computers has allowed modern ephemerides to determine celestial positions with far greater accuracy than in earlier publications.