CATALOGUE OF POLAR STAKS. 



289 



Epoch. 



1875 



1879 



1883 



1887 



1891 



1895 



1899 



1903 



1907 



a 



h. m. s. 



7 29 5.6310 



7 33 57.2480 



7 38 43.9101 



7 43 25.5157 



7 48 



8 



8 



1.9877 



7 52 33.2626 



7 56 59.3003 



1 20.0709 



5 35.5693 



da. 



dt 



s. 



+ 73.51432 



+ 72.28947 



+ 71.03718 



+ 69.76260 



+ 68.47053 



+ 67.16557 



+ 65.85197 



+ 64.53379 



+ 63.21472 



A 



s. 



1.224*5 



1.25229 



1.27458 



1.292D 



< 



1.30496 



1.31360 



1.31818 



1.31907 



A. 



0.02744 



0.02229 



0.01719 



0.01289 



0.00864 



0.00458 



0.00089 



\ 



s. 



+ 0.0H.M5 



+ 0.00480 



+ 0.0ti460 



+0.00425 



+ 0.00406 



+ 0.00369 



As 



further 



of the appl 



we compute the value of a for 1911 fi 



ion of form u 

 the values of 



( 



and (50) 



(lie 

 (It 



for 1895, 1903, 1911 



by formul 



(54) 



for 1887,1895,1903, and 1911, by formula (55); and for 18 



(J a 



1887, 1895, 1903, and 1911, by formula (56). The value of f for 1911 is carried 

 forward from that for 1907 by means of the thi 



d difference + 0M)0341, giving 



da 



dt 



+ 61-.89817. 



ft 















1895 



Pi- 



= + 



67.16557 





1887 



Pi- 



= + 69.76260 



1903 



4 p % : 



= +: 



258.13516 





1895 



3 p, : 



= +201.49G71 



1911 



Pt S 



= + 



61.89817 





1903 



ZPs 



= +193.60137 





Sum : 



= +387.19890 





1911 



Pi 



= + 61.89817 





-Ps- 



= + 



64.53315 







Sum : 



= + 526.75885 





h. 



m. 



S. 







J\ 



= + 65.84486 



16P,= 



= +0 



17 



12.5304 







h. 



m. s. 



« = 



= 7 



52 



33.2626 





24 P.-- 



= +0 



26 20.2766 



For 1911 a = 



= 8 



9 



45.7930 



1879 



1887 

 1895 



1 P ,= 



32p, = 



For 1911 « = 



= + 506.02629 

 = +2232.40320 

 = + 805.98684 



= 7 

 = 8 



43 25.5157 



9 45.7923 









1903 

 1911 



32 P, 



32/> 4 = 



Sum = 



h. 



r= +0 

 = 7 



= +2065.08128 

 = + 433.28719 

 = +6042.78480 

 = + 67.14205 



35 48.5457 

 33 57.2480 











For 1911 a 



= 8 



9 45.7937 







