eee ee pe eee A RS EA ee ET — S P 
LE P ME T F: A T Y a d f caer gs 
MATHEMATICAL PAPERS, $$ * 
£s Do*. 0/21“! 
Complement 9 59 39 
Mercury’s diftance form the earth, log. 4. 829651 
: The fun's diftance from the earth, log. 4 995787 
:: The fun's horizontal parallax, 8,58 I@Be o 933487 
: Mercury's horizontal parallax, 12, 578 1 099620 
Mercury's horizontal parallax from the fun, 35998. 
The fun's femi-diameter, 10° 11, 9 
Mercury's femi-diameter, 5t 
The fun's horary motion, 4 10,42 
Mercury's geocen. horary mot. in theeclipticretrog. 3 22, 12. 
Mercury's mot.upono'sdifc with refpe&ttotheeclip. 5 52, 82 
. Mercury's horary motion in latitude geocentric, mA 
Latitude of the Royal Obfervatory at Paris, 48*50 14 — 
Reduced to the center, . 48 35 26. 
Complement — PZ. 41 24 34 
Hence 
The altitude of the nonagefimal degree, ps6 4 e. 
The longitude of the nonagefimal degree, 5°28 11 44. — 
Angle Zp3 = B, 44 33 22 
Mercury’s parallax in longitude from the fun, CB, XA: 
Mercury's parallax in latitude from the fun, 2, 574 
The fun’s femi-diameter = o9 — 971; 7 
Mercury's vifible lat. from the fun's center = Ey 650, 739: 
The vif. diff. of long. of o'sand y ’scenters = o E, 721, 484 
= 12'37, 434. 
o's longitude, . í 3 *j 12 32 57» 205. 
— Add 
Ed 
