A compleat ephemeris for the year of Christ 1682 : containing all the heliocentrical and geocentrical places and aspects of the planets, lunations, eclipses and quarterly ingresses, most exactly calculated : with astrological observations thereon, referred to the zenith of the famous city of London, but generally useful to England, Scotland, Ireland, &c., the onely exact ephemeris extant for this year : to which is added, a most easy and perspicuous correction of the calendar, according to the middle motions of the sun and moon forever : also a demonstration of the true and natural causes of the flux and reflux of the seas.