पञ्चसिद्धान्तिका (आचार्य वराहमिहिर - सूर्य, रोमक, पौलिश, वासिष्ठ एवं पितामह सिद्धान्त)

IX.6 IX. SAURA-SIDDHĀNTA — SOLAR ECLIPSE 201 1,57,79,17,800 days there are 4,88,219 revolutions of the Moon’s apogee. If the approximate rule given as the first part is used, we get that there are, 900 × 1,57,79,17,800 ÷ 29,08,789 revolutions = rev. 4,88,218-11-25-26-48 for the Mahāyuga. But this is 4° 33' 12" less than the correct value, and this latter has got to be added, per Mahāyuga, i.e. for 4,88,219 revolutions. Therefore the addition for the revolutions gone is, revolutions gone × 16,392" ÷ 4,88,219. In the place of this fraction the author gives 10"/297, as the difference is very small, for by using this the error will be only plus 2" in the Saura yuga of 1,80,000 years, which is negligible, especially in the apogee. If, instead of our (as also NP's) emendation, svararandhrayama, we make another emendation vasurandhrayama giving the fraction as 10"/298, then it will be very correct. As for our reading randhra in the place of the author’s dasra, it is necessary since otherwise there will be an error of plus one degree and a half in the Mahāyuga. That is why TS have given the emendation svaranandayama meaning the same as our reading, but randhra fits the letters better than nanda. The correctness of the kṣepa is shown hereunder: 3606 years of Kali ended nā. 3-9 after Ujjain mid- night next to Epoch. The revolutions of apogee for 3606 years = 4,88,219 × 3606 ÷ 43,20,000 = 407.527248611. At the beginning of Kali the longitude of apogee was 0.25 revolutions. Therefore at nā. 3-9 after the said Ujjain midnight, the longitude is 0.25 + 0.527248611 = 0.777248611 rev. The fractional parts (at 900 per day), for 0.77248611 rev. = 29,08,789 × 0.777248611 = 22,60,852. This is the kṣepa to be added at the end of the year. But Ujjain mean moon, for which we want the apogee, is nā. 33-9 earlier, and the parts for this interval = 900 × 33.15 ÷ 60 = 497 has to be deducted. ∴ the kṣepa is 22,60,355. The author gives 22,60,356, which differs by only one unit and causes practically no difference. [राहु:] ‘(त्रि)घन (शत)’घ्ने‘नवैकैकपक्षरामेन्दुदह(नरस)’सहिते | ‘(स्वर)यमवसुभूतार्णव-गु(ण)धृति’भ(क्ते) [क्र]माद् राहो: || ५ || चक्रात् पतितं (वक्त्रं) षड्राशियुतं तु पुच्छाख्यम् | (नव)तिविवरस्य लिप्ता विक्षेप: सप्त(तिर्द्वि)शति || ६ || Rāhu: Maximum latitūde 5. Multiply the days from Epoch by 2700, add 63,13,219 and divide by 1,83,45,827. Revolutions etc. are obtained, to be used in getting Rāhu. 6. This deducted from twelve rāśis is the Rāhu-head (i.e. ascending node of the Moon.) Rāhu-head plus six rāśis is the Rāhu-tail (i.e. descending node). At the (maximum) distance of 90° from Rāhu (the node), the Moon’s latitude is 270 minutes (i.e., this is the maximum latitude.) 5a. A1.B1.2.दिघ्नगजघ्ने (B1.2.°घ्नेन्) C.दशाघ्ने. B.चक्रे- धृतिभूता साद्राहो:; C. धृतिभि: D. °द्राहु: b. A.दहशब्दा:; B.दहनशब्दा:; C.दहशब्द्या: |; D.दहन षट्- 6a. A.B1.2. चक्रं B.प्रहिते (B2.3.°न्ते:) b. A.युतं वसुशाख्यं; D.च for तु c. A.चरयम; B.वरयम; C. om स्वर; D. करयम c. A.सहति; B1.अहति; B2.3.ग्रहति A.वसुघृतार्णव C.सहित; D.तिमिर d. A.गुणधृतभक्तभाद्राहो:; (A2.माद्राहो:) B.गुणा d. A.B1.2.सप्तता दिशती