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 xii
... correction of a star's observed declination , when , at the time of the observation , the star is not on the meridian wire 102. Manner of correcting the observed declination of the moon when her disk is not wholly enlightened བྲབ 103 ...
... correction of a star's observed declination , when , at the time of the observation , the star is not on the meridian wire 102. Manner of correcting the observed declination of the moon when her disk is not wholly enlightened བྲབ 103 ...
Page xxiii
... correcting at sea an observed zenith distance of the sun on account of the change in the ship's place in the interval between the observations 356. Conditions favourable to the accuracy of the computed latitude in this problem - 303 ...
... correcting at sea an observed zenith distance of the sun on account of the change in the ship's place in the interval between the observations 356. Conditions favourable to the accuracy of the computed latitude in this problem - 303 ...
Page xxvii
... correcting the computed heights of mountains , on account of the earth's curvature 399 428. The height of the ... corrections which are to be made previously to the employment of the results of expe- riments . 435. ( Prop . I. ) To ...
... correcting the computed heights of mountains , on account of the earth's curvature 399 428. The height of the ... corrections which are to be made previously to the employment of the results of expe- riments . 435. ( Prop . I. ) To ...
Page xxviii
... correcting the vibrations of a needle on account of temperature 445. Instruments used for the more delicate observations 446. The declination magnetometer . - 417 419 Formula for correcting the - 419 420 - - observed declination on ...
... correcting the vibrations of a needle on account of temperature 445. Instruments used for the more delicate observations 446. The declination magnetometer . - 417 419 Formula for correcting the - 419 420 - - observed declination on ...
Page 69
... corrected time of the transit . 86. The horizontality of the axis may be verified without a spirit - level , on observing by reflexion from mercury the transit of a star near the zenith or the pole , at the first and second wires ; then ...
... corrected time of the transit . 86. The horizontality of the axis may be verified without a spirit - level , on observing by reflexion from mercury the transit of a star near the zenith or the pole , at the first and second wires ; then ...
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Practical Astronomy and Geodesy: Including the Projections of the ..., Volume 5 John Narrien No preview available - 2016 |
Common terms and phrases
angular distance apparent ascension and declination astronomical azimuth bisected celestial body celestial sphere centre circle passing circumference colatitude computed considered correction corresponding cosine cotan degrees described determined diameter difference earth ecliptic ellipse equal equator equatorial equinoctial point expressed fixed star formula geocentric given graduation Greenwich Greenwich mean horary motions horizontal parallax hour angle index error instant instrument interval latitude latter let fall limb longitude mean noon meridian micrometer moon moon's Nautical Almanac node observed altitude obtained optical axis orbit parallax parallel perihelion perpendicular plane passing polar distance pole position projection radius refraction represented revolution revolve right angles right ascension satellite screw sector semidiameter side sidereal sidereal clock sine sphere spherical triangle star's station subtended subtracted supposed surface tangent transit telescope true variation vertical wire zenith distance zero
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