 The first coordinate of a point is its angular distance north or south of the equator, measured on an hour circle; it is called the Declination. Declinations are considered positive when north of the equator, negative when south. The complement of the...  Text-book on Practical Astronomy - Page 19by George Leonard Hosmer - 1917 - 205 pagesFull view - About this book
 | William Carpenter Pendleton Muir - Nautical astronomy - 1906 - 756 pages
...^ * - 1 o. a ao S < iJ <! P- a CHAPTEE XVII. LATITUDE. 240. By definition, the latitude of a place is its angular distance North or South of the equator, measured on the meridian passing through the place. From Art. 142 we know that latitude is the declination of the... | |
 | William Carpenter Pendleton Muir - Nautical astronomy - 1906 - 754 pages
...а ¿= a « *? а а о, 5 о. CHAPTEE XVII. LATITUDE. 240. By definition, the latitude of a place is its angular distance North or South of the equator, measured on the meridian passing through the place. From Art. 142 we know that latitude is the declination of the... | |
 | Mansfield Merriman - Civil engineering - 1912 - 1506 pages
...equator, called HOUR CIRCLES. The coordinates are called DECLINATION and RIGHT ASCENSION. The declination of a point is its angular distance north or south of the equator. Declinations arc considered positiv when north and negativ when south. The complement of the declination... | |
 | George Leonard Hosmer - Geodesy - 1919 - 424 pages
...reckoned from the south point of the horizon, right-handed, from 0° to 360°. The declination (5) of a point is its angular distance north (+) or south ( — ) of the equator. Its polar distance (p) is the complement of the declination. The hour angle (t) of a point is the arc... | |
 | Mansfield Merriman - Civil engineering - 1920 - 2038 pages
...equator, called HOUR CIRCLES. The coordinates are called DECLINATION and RIGHT ASCENSION. The declination of a point is its angular distance north or south of the equator. Declinations are considered positiv when north and negativ when south. The complement of the -declination... | |
 | George Leonard Hosmer - Astronomy - 1925 - 306 pages
...Fig. 14 the altitude of the star A is BA ; its azimuth is SB. 13. The Equator Systems. The circles of reference in this system are the equator and great...point is its angular distance north or south of the PRACTICAL ASTRONOMY equator, measured on an hour circle; it is called the Declination. Declinations... | |
 | United States. Bureau of Naval Personnel - Air traffic control - 1959 - 672 pages
...point on the earth can be designated Figure 5-5. -Position designated by coordinates. 167 The latitude of a point is its angular distance north or south of the Equator, measured in the plane of the meridian. It is measured from 0° at the Equator, north to 90° at the North Pole,... | |
 | Peter Dale - Technology & Engineering - 2004 - 226 pages
...positions may be expressed as if the Earth were a sphere using spherical coordinates. The latitude of a point is its angular distance north or south of the equator and is often represented by the Greek letter phi or 0. The longitude of a point is an angular measure... | |
| |
