1¢0 Syrgo-siddh%t@ | is south, on the other hand, it is additive in the eastern hemisphere, and likewise subtractive in the Western 10. Minltiply the minutes of latitude by the degrees of declination of the position of the planet increased by three signs : the Jesult, in seconds (vakild), is alditive or subtractive, according as eclination and latitude are of unlike Oz like direction, 11. In calculating the (conjunction (gg@) of a planet and an asterism (akshatra), in determining the setting and rising of a planet, and in finding the elevation of the moon's cusps, this operation for apparent longitude (dykka) is first prescribod. 12. (Calculate again the longitudies of the two planets for {he Reterrinea ti ank from these their latitudes when the latter are of the sanne direction, take-heir difference ; otherwise, blheir sum: the result is the interval of the planets. "he whole opention or determining the point on the ecliptic to which u planet, having a given latituck, will be referred by a secondary to the prime vertical, is called its a?R:try. Both parts of this com ponnd we have had before-dthe latter, signifying operation, process of calculation, in it. 87, 42, etc.--for the former, Ret he notes to iii. 28. 84, and . 5-: here we ue to understand it as signifying the apparent longitude of * planct, when referred to the ecliptice in the manner stated as distinguished from its true or actual longitude, reckoned in the usual 'ay: W accordingly branslate the whole term, as in verse 1] , operation for apparent longitude. The operation, if the sounewha) analogous one by which the ecliptie-detection (ortuna) is determined (see above, iy, 24-25) consists of two separate processes, wlicld receive in the counmenbary distinct corresponding with those applied to the two parts of the process for calculoting the deficationThe whole subject may be illustrated by reference to the next figure (ig. 28. This represents the projection of a part of the sphere upon a horizontal planneN and I being the north and east points of the horizox, and z the genituh, I.et CL be the position €ecliptic at the mornment of conjunction in longitude, C being the orient ecliptic-point (lagna); and let M be the point at which the conjunction in longitude of the two planets $ anti k, each upon its parallel of celestial latitudle, ct and c', and having latitude equal to SM and VM respectively will take place. Through V and s draw secondaries to the prime vertical, My und Ns, nnecting the ecliptie in J and y these latter are the points of unpront longitude of the two planets, which are still removed from a tue conjunction by the distance ya jn order to the ascertainment of the time "me conjunction, it is desired to know ८he position४ of y and 8, or respective disbances from M. From P, the pole of the equator, draw names,
पृष्ठम्:Surya siddhanta (with commentary).pdf/२४३
दिखावट