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 xi
... fixed wires at the focus of the object glass , and the man- ner of enlightening them at night - 83. The attached circle for obtaining altitudes approximatively 84. Description of the spirit level , and the manner of using it in placing ...
... fixed wires at the focus of the object glass , and the man- ner of enlightening them at night - 83. The attached circle for obtaining altitudes approximatively 84. Description of the spirit level , and the manner of using it in placing ...
Page xii
... fixed equatorial instrument 111. A portable equatorial 112. Method of finding the error of the polar axis in altitude and in azimuth - 113. Method of determining the error of collimation 114. Method of making the axis of the declination ...
... fixed equatorial instrument 111. A portable equatorial 112. Method of finding the error of the polar axis in altitude and in azimuth - 113. Method of determining the error of collimation 114. Method of making the axis of the declination ...
Page xv
... fixed 179. Application of spherical trigonometry in the case just men- tioned - - 136 - 136 · 137 138 180. Transformation , when one of the planes only , turns on the line of its intersection with another 181. Application of spherical ...
... fixed 179. Application of spherical trigonometry in the case just men- tioned - - 136 - 136 · 137 138 180. Transformation , when one of the planes only , turns on the line of its intersection with another 181. Application of spherical ...
Page xvii
... 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 precession in right as- cension - - 228. Discovery of the aberration 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 precession in right as- cension - - 228. Discovery of the aberration of ...
Page xx
... FIXED STARS . REDUCTION OF THE MEAN TO THE APPARENT PLACES . PROPER MOTIONS . ANNUAL PARALLAX . 291. Formulæ for reducing the mean to the apparent places of the fixed stars , and the converse 220 292. Certain stars have proper motions ...
... FIXED STARS . REDUCTION OF THE MEAN TO THE APPARENT PLACES . PROPER MOTIONS . ANNUAL PARALLAX . 291. Formulæ for reducing the mean to the apparent places of the fixed stars , and the converse 220 292. Certain stars have proper motions ...
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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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