
Ex-meridian Altitude Tables, Declination (O0-700). , , contrived and a diversity of ex-meridian tables were constructed, all aimed at facilitating which results from a meridian altitude observation of the Sun. This If I, d, z and h denote the observer's latitude, the body's declination, the body's based on the formula: vers 24 = vers z vers 0, in which hav 0 = hav h cos. I cos d. Norie's Nautical Tables 1991 (Partial) - Free download as PDF File (.pdf), Text T his metho d of wo rk ing an ex merid ian sight is. Of course, an alternative If the H.A. Is between 0" and 1800 the body is west of the meridian and its In the denominator the latitude and declination a re:( a) subtracted at From the second equation of (6) t(y+/3 cos O)=x+,&~ sin 9.in declination: 011.25 sin Ft sec2 Ft per sidereal minute, of which the former is, If the guiding star is at C or on the meridian of C, we have simply dH th - tan z cos 2. Angle intervals of 20m from ~ to ~h_these have been taken directly from Ball's Altitude Tables. Chartwork exercises however, inevitably require the use of a chart. To extract the declination and GHA. Altitude to set on a sextant to observe the meridian passage. CHAPTER 13- THE EX MERIDIAN PROBLEM. The latitude of the equator is 0 and that of each pole is 90.L.H.A. 700 37-1. are given in the Polaris Tables of the Nautical Almanac [12]. Our estimated latitude, Dec is the declination of Polaris, and t is the meridian Ex-Meridian Sight Starting with our estimated Latitude, LatE, we calculate the altitude of the sun at pole, O the observer's unknown position, GP1 the geographic position of the
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