Practical Astronomy and Geodesy: Including the Projections of the Sphere and Spherical Trigonometry. For the Use of the Royal Military CollegeLongman, Brown, Green, and Longmans, 1845 - 427 pages |
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Page xvii
... ABERRATION , AND NUTATION . 225. Annual increase in the longitudes of fixed stars , and move- ment of the equinoctial points - 226. Investigation of a formula for the precession in declination 227. Investigation of a formula for the ...
... ABERRATION , AND NUTATION . 225. Annual increase in the longitudes of fixed stars , and move- ment of the equinoctial points - 226. Investigation of a formula for the precession in declination 227. Investigation of a formula for the ...
Page xviii
... aberration in right ascension 235. Formula for aberration in declination 236. Effect of aberration on the apparent place of the sun 237. The diurnal aberration of light - 180 ww - 181 - 182 - 183 - 238. Discovery of nutation 239 ...
... aberration in right ascension 235. Formula for aberration in declination 236. Effect of aberration on the apparent place of the sun 237. The diurnal aberration of light - 180 ww - 181 - 182 - 183 - 238. Discovery of nutation 239 ...
Page 83
... aberration , or the parallax of the fixed stars ; and in geodetical operations they serve to determine astronomically the latitudes of the principal stations . The instrument consists of a metal plate , or a system of bars , which is ...
... aberration , or the parallax of the fixed stars ; and in geodetical operations they serve to determine astronomically the latitudes of the principal stations . The instrument consists of a metal plate , or a system of bars , which is ...
Page 96
... aberration if thought necessary ) , is the error of collimation with respect to the middle wire of the transit telescope . The distance ( in time ) of this middle wire from the place of the imaginary mean wire is supposed to be known ...
... aberration if thought necessary ) , is the error of collimation with respect to the middle wire of the transit telescope . The distance ( in time ) of this middle wire from the place of the imaginary mean wire is supposed to be known ...
Page 174
... ABERRATION , AND NUTATION . 225. THE observations of the ancients on the places of the fixed stars were not sufficiently precise to allow the law of their apparent motions to be accurately determined by com- parisons of those places ...
... ABERRATION , AND NUTATION . 225. THE observations of the ancients on the places of the fixed stars were not sufficiently precise to allow the law of their apparent motions to be accurately determined by com- parisons of those places ...
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Common terms and phrases
aberration altitude angular distance apparent ascension and declination astronomical axis azimuth bisected celestial body celestial sphere centre circumference co-ordinates colatitude computed considered correction cotan degrees described determined diameter difference earth ecliptic ellipse equal equator equatorial equinoctial point expressed fixed star formula geocentric given Greenwich horary horizontal parallax hour angle inclination instant instrument intersection interval latitude latter let fall longitude mean meridian micrometer moon moon's motion Nautical Almanac node nutation obliquity observed obtained parallax parallel perihelion perpendicular plane passing polar distance pole position primitive circle radius vector refraction represented revolution revolve right angles right ascension satellite sector semidiameter side sidereal sin.² sine sphere spherical triangle star's station substituting subtended subtracted sun's supposed surface tangent telescope transit transit telescope Trigon trigonometry vertical whence wire zenith distance zero