पृष्ठम्:स्फुटचन्द्राप्तिः.djvu/३३

[ ध्रुवकालसंस्कार : ] इत्थं तथैव वाप्तेषु तत्तद्वाक्यधुवैः सह । ध्रुवकालेषु कार्योऽन्यः संस्कारः, सोऽभिधीयते ॥२१॥ 27०-9-28" 5180 11-11०-5-11 ‘आदिकूर्मेऽग्रिमफले ‘कर्कशानेककार्यकृत् । अर्कमध्यं विलिप्तादि विद्यात्, प्रतिफलं पुनः ॥२२॥ [ रविमध्यम् ] ‘दाराधीनसुख' तद्वत् तत्तद्धी'घ्न'युगां'शयुक् । वाक्यसंख्यावशाद् भूयः तत्काले तद्दिनेऽपि तत् ॥२३॥ [ भुजान्तरसंस्कारः ] तत्कालमध्यमार्कस्य स्वोच्चहीनस्य दोर्गुणात् । 160 प्रधऊध्वर्धजात् स्वर्ण ‘प्रातपा'प्ता विनाडिकाः ॥२४॥ 4 (0f opp. page). Rational८ : The Druvakald-s have been reckoned as from mean sunrise at Ujjain . They should be reckoned from true sumrise of place, which depends on : (i) the Sun's e५uation of the centre (ii) the reduction to the euator, (iii) the longitude of place, and (iv) the declinational ascensional difference (c८ rardha) at place for that day. Of these, item (ii) is neglected by earlier astronomers like Aryabhata, and not given by our author in this work, following Aryabhata, though he must have known its need. Item (1) is given here. The eguation of the centre is taken as 129' X R. Sin Ma11d८-५erndra / 3438 (Arvabhata) and the True Sun rises earlier or later, as this is negative or positive, at the rate of 1 produ८ of time per minute of arc. Thereforeit is equal to R. Sin Manda-Rerndr८ X 129/ (3438 X 6) == R. Sin 1441d८-kendra | 160 in windias, and is additive for the first six sig subtractive for the next si It may be noted that item (iii) is given in verses 27-32, below verses 25-26 and , item (iv) in