BY J. J. DE FERRER. 231 



Par. in Long. Par. in Lit. 



+2 02 +3 29 



+0 74 -f 2 7S 



—0 66 +2 27 



— 2 11 -}-l 90 



—3 49 +1 67 



—4 70 +1 58 



—5 67 +1 66 



h ' " h ' " 



Mean of three series of of observations ; apparent time . 23 44 09 2 07 25 



Eqn. of time=— 3' 44" diff. of mer. 34' 08" mean time in Paris. 00 14 33 2 03 41 



Distance of the centers of &. g ty tne mean of three observs. 6 25 00 8 44 3 



Parallax in longitude ..... — 27 — 3 62 



Parallax in latitude . . . . . . -f-2 40 +1 66 



Latitudes by the tables . . . . . . 5 07 82 6 51 56 



Difference of apparent longitudes. - . . 566 80 

 Idem. latitudes . . , . . 103 40 

 Inclination of the apparent orbit=»10° 20' 19" 



Chord ........ 576 15S 



Angle of conjunction at 23h 44' 09" = 52° 05' 48" 

 Apparent conjunction for the center of the earth in mean time. 



h t w 



In the Island of Leon . ., 40 38 



In the Ecliptic . . . . 33 52 



Corresponds at Paris to . . . 1 08 00 



Correction of the tables in latitude . .= — 6 4 



These observations are more proper to determine the latitude 

 than the conjunction, on account of being very near the ap- 

 parent conjunction. 



Four series of observations (the most to be depended upon) made in 

 the Island of [.eon, give the following mean results. 



f 33 52 ") 

 ( 34 02 3 



Conjunction in the Ecliptic. \ o 34 ifi f M «n- 34 02 



Longitude 34 08 



Conjunction in the ecliptic for Paris by the observation of distances. 1 08 10 



C — 6" 4 -i 



Error of the tables in latitude = ^ ~ a n > Mean = 6" 3 



Mr. Messier found the nearest distance of the centers •. «. 5' 45" 



and the diameter of the . =* 15 56 



The distances of the limbs should have been observed . . . 10 11 



< * if t w 



Distance of the limbs 

 \ Diameter of the © 

 Apparent distance of the limbs 



