35 S ASTRONOMICAL OBSERVATIONS 



Conj. at Paris by the combination of the beginning and end of the eclipse. Oh 

 Correction of the Cs latitude by the new tables . . . =+ 



Palermo 5" be gi nni »g> apparent time = 2 



' (.end. • . • . 3 



Conjunction at Palermo. . = 1 



Conjunction at Paris = l h 38' 45", 5 44' 06" = 



Correction of Cs latitude ..... . =+ 



P 1 C apparent time, beginning of the eclipse 2 



°( end of the eclipse. ..... 5 



By the combination of the beginning and end, conjunction in mean time = 2 



Conjunction at Paris, mean time = (2' 1 46' 37",6 1 1 ' 51' 56") = 



Correction of the Cs latitude by the tables. • . » =+ 



By the observations of Greenwich, conj. at Paris=0 54 37,5 correction of S's lat 

 By ditto Paris. . . 54 38,5 



By ditto Palermo. . 54 39,5 



By ditto Petersburg. . . 54 41,0 



Conjunction at Paris, mean time. . . 54 39 



Correction of Cs longitude by the new tables. . .... 



Observations at Cambridge, New England. 



April 2 18 01 27 Apparent time, beginning of the eclipse 



19 08 07 Annular formation. 



19 12 56 Annular break. 



20 28 26 End of the eclipse. 



Apparent time of observation. 

 Moon's latitude by tables + 10",3 N. 

 Cs equatorial horizontal parallax. 

 Parallax in longitude. . . . . 



Parallax in latitude 



Apparent latitude of the £ S. 

 Horizontal i diameters of the C 

 Augmentation of the S's 2 diameter. 



Cs apparent semidiameters. • . 14 58.32 14 58 59 15 01,45 



Q's s'emidiameter from the tables. . 16 00 42 16 00 42 16 00,42 



Difference and sum of semidiameters 102,10 101,83 3101,87 



Horary relative motion in longitude between the formation of the 



annular and the time of the conjunction. . .... 27' 45", 8 



Between the end of the eclipse and , lie conjunction 27 45,2 



Results : difference of semidiameter between the formation and the 



breaking of the annular, b\ -observation. . . .... 61,45 



By the Tables.' 1' 02~,10+1' 01",83- 61,96 



Correction of the difference of semidiameters by the tables — 00,51 



Correction of the sum of semidiameters. . . . , . . — 4,4# 



b ' » 



Conjunction from the annular formation, mean time . 20 00 40,8 



annular breaking. . . . 20 00 40,8 

 end of theeclipse 20 00 40.8 



Longitude west from Paris .... =4'' 53' 58",2 



