A Treatise on Astronomy, Theoretical and Practical, Volumen2

altitude angle angular distance aphelion apogee apsides astronomical body Chap chronometer clock coefficients computed conjunction consequently correction corresponding declination deduced Delambre described determined difference Earth eccentric anomaly eccentricity eclipse epoch equal equinox error Evection exact expression fixed star former formula greatest equation Greenwich happen heliocentric Hence horary horizontal parallax inequalities instance interval Jupiter latitude and longitude latter limb longitude and latitude lunar eclipses mean anomaly mean distance mean longitude mean motion mean solar meridian method Moon Moon's orbit Nautical Almanack nearly node noon north polar distance nutation obliquity occultation parallax perigee perturbations place of observation planet preceding quantity radius reckoned reduction revolution right ascension satellites Saturn secular variation sidereal Solar Tables solstice spectator Sun and Moon Sun's longitude Sun's mean longitude Sun's right ascension supposed synodic period theory transit true anomaly true longitude Venus zenith distance