xy1 SURYA SIDDHANTA parallaxes it !atitue and longitude of the Sun and the Moon at the time of Bolar eclipses. Aryalbbaga J's rules may be expressed Bymbolically thus : Parallax in latitude = gin-1 x dlgtp| )* 1Paralax in longitut; = sin{ } \sinz-(dzkapu); }. where ! is the ridius of the earth, a the distance of the planet from the (Earth aud Z the Zenith distance of the planet ; १he assumption is that the celestial latitude of the moon is also = : The ab.tes of Ayabbala I, are found in the Pafcc Siddhi»tika They are referred to as such by Brahmagupta in Chaptc xi, 23-25, and found fault with is tedius operations.’’ Here Ori८ Sir,2 x crid. ‘S labept = /(Meridia 'fSize' )९ - { according to Aryabhata I The listke in the rule for finding the (j•l¢kept was perhaps first pointed out by Protida ka in his commentary on the Brithme. sphutta Si.d}} tota, xi, 2? Prbudaka Lakes a station on ho arctic circle where as Roon as the first point of Aries is on the horizon, the ecliptic coin. cides with the horizon. Now if the sun's longitude be 90°, the Sun is at the north poire at that time, thus The * «ine ' of his amplitude of the oriend sine' = I, the raus The so-called f« ncidian f Bline ' is also equal to lR, 9 tthe euminating point of the ecliptic is the south point. 3b ()reput Sine = Merifia Sie Rx = R है,
- Pued Siddhakiki, ix, ४4-25.
+ 6ba, is , 19-23. आर्यभटेनास्मिन् सति लघूनि किमर्थं महत् कृतं कर्म ।