The astronomical ephemeris is the last practical outcome of their productive genius.

To do this successfully, and without waste of time, it is necessary to have an astronomical ephemeris for the year.

The term "Nautical Almanac" is an unfortunate misnomer for what is, properly speaking, the " Astronomical Ephemeris."

Among them is the Portuguese Astronomical Ephemeris for the meridian of the University of Coimbra, prepared for Portuguese navigators.