Ball — Besearches on Annual Parallax. 



365 



GrEOOMBEtDGE 1618, I. 



Corrected Distanoe of+ 50°, 1724 from Grr. 1618. 



Date. 



Distance. 



Date. 



Distance. 



Date. 



Distance. 



1878. 





1878. 





1878. 





March 4, 



198"-381 



Api-il 24, 



198"-507 



Sept. 25, 



198"-029 



„ 13, 



198 -542 



„ 27, 



198 -261 



Oct. 24, 



197 -830 



„ 13, 



198 -459 



May 3, 



198 -327 



„ 28, 



198 -195 



„ 15, 



198 -370 



„ 5, 



198 -382 



Nov. 1, 



197 -858 



„ 18, 



198 -484 



9, 



198 -741 



„ 8, 



197 -970 



„ 18, 



198 -581 



„ 18, 



198 -355 



„ 17, 



197 -799 



„ 21, 



198 -537 



„ 20, 



198 -492 



„ 19, 



197 -949 



„ 21, 



198 -499 



„ 21, 



198 -364 



„ 25, 



198 -059 



„ 22, 



198 -450 



„ 28, 



198 -232 



„ 28, 



198 -105 



„ 24, 



198 -783 



July 1, 



198 -330 



Dec. 1, 



198 -303 



„ 24, 



198 -753 



7, 



197 -951 



„ 5, 



198 -063 



„ 25, 

 „ 29, 



198 -484 

 198 -493 



„ 8, 

 „ 12, 



197 -812 

 197 -806 



„ 8, 

 1879. 

 Jan. 8, 



198 -337 

 198 -088 



„ 29, 



198 -605 



„ 21, 



197 -743 



Feb. 5, 



197 -958 



„ 31, 



198 -445 



„ 28, 



197 -795 



„ 22, 



197 -993 



„ 31, 



198 -460 



„ 30, 



197 -999 



„ 25, 



198 -142 



April 1, 



198 -537 



» 31, 



197 -751 



„ 28, 



198 -184 



» 1, 



198 -493 



August 2, 



197 -892 



March 19, 



198 -213 



6, 



198 -461 



„ 10, 



198 -047 



„ 31, 



197 -819 



„ 17, 



198 -353 



Sept. 20, 



197 -869 



April 2, 



197 -578 



„ 21, 



198 -415 



„ 23, 



198 -221 







rrom these, I conclude in the usnal manner, 

 X =-0"-1621 ± -05 

 ;r' = + 0"-1534 ± -07 

 ^=: + 0"-3472 ± -05 

 K = - 0"-2890 ± -06 



