An Introduction to Practical Astronomy ...author, 1824 |
Expressions et termes fréquents
20 Long 48 principal Stars Aldebaran altitude annual precession annual variation apparent Approx approximate Latitude APPROXIMATE PARALLAX ascension and declination astronomers Auriga barometer Bessel Cassiop Cephei Ceti co-efficient column Common Argument computed constant CORRECTIONS of 48 Cygni Diff difference Dist Draconis Ecliptic equation Example formula Gemin given Greenwich Horary Angle horizontal parallax Leonis logarithms lunar nutation mean longitude mean place MEAN REFRACTIONS meridian MOON'S PARALLAX N. P. Distance Nautical Almanac Nonag noon North Kilworth north polar distance Nut.ONut O's Long obliquity observations ONut OOOOO Ophiuchi Orionis paral parallax in longitude Pegasi Perigee Persei planets Pole Star Prec proper motion Reduction right ascension semi-diameter sidereal sidereal day sine solar nutation star's subsidiary numbers subtracted sun's longitude TABLE of Aberration tabular number tabular quantity tang Tauri thermometer true true longitude Ursa Maj VIII zenith distance