ASTRONOMIE.

t COS b • - ~ , _

-g£- 1.0372112 - 1.0372112

Q — 8.9477238 H — 8.3841793

+ 0.9659062 4- 9.9849350 (91) logII'+ 9.4213905— 0.0167863 — Ésin^

+ °*949 II 99 = Q', log Q'=+ 9.977321 ï (92).

258. Soit maintenant

m = f cos a cos b -f- R cos A,n = f sin a cos b -j- R sin A,p = j> sin b y

/h' = P'sin A 4-Q'cos A,n' = — P'cosA 4~ Q' sin A,

P' = H',

et nous aurons tout ce qu’il faut pour calculer les élémens de la comète,

/>... 0.1124475.0.1124475

cos a — 9.9975022(93) sintf... 9.0291155 (94)cos b 9.7767 075 9.7767073

— 0.770296 — 9.8866570 (95) 4- 8.9182703 (96)

M... o.g8865g (97)

m = 4- o.218365 log771=9.339i83o (98)

4- 0.082865N 4- o.i5o5i9 (99)n = o.233i84

log n 9.3676988 (i 00 ) /... 0.1124475

sinZ>... 9.9038980 ( 101 )

logyo... o.oi 63455

+ 9 - 97 02 9 5 7 — Q' + 9 - 977 521 *

sin A... 9.1770044 cos A... 9.995 0570

+ 0.1403777 4 - 9.1472981 ( 102 ) 4 - 9 - 97 2 5584 (io 3 )

*+- o. 938336o

m! =■ + 1-0787137

logm'= 4- q. 0529071 (104)