LONGITUDE OF THE TORONTO OBSERVATORY. 



43 



TABLE III. — Continued. 

 Observatioxs op August 31, 1SS3, Toronto. 



Normal equations : 



18.4.361,// + 4.29015A, - 2.20018,/c 



4.2901.5,// +13.408047,/,, - 4.747413,/,' 



2.20018,// 4 4.747413,/,, -49.507929,/,' 



111. S. 



Whence ,// = -0 109 da = 



Assumed ( = +4 51.100 a = 



( + (// = +4 50 991 ,1 + da = 

 and probable error of ,// = ±0 010. 



+ 1.80331 

 +0.14677 

 3.3329.52 



-0.002 

 0.000 

 0,002 



dc = -0 072 



c = +0.239 



<■ + ,/,■ = +0.107 



