166 Mr. South' s observations of the apparent distances 



No. DCIII. R. A. 9^ 24™ : Decl. 40° 46^ N. 



Struve, 349 ; Hist. Gael. 215; 



Triple ; A 7th, B 8|-, and C of the 9th magnitudes. 



Measures of A B. 

 Blackman-street ; March 31, 1824 ; Five- feet Equatorial. 



Position = 56° 43' */ 1 5 Obs. Diff. = i° 32' 



Distance r: 2^'. 6^6 \ 5 Obs 



DifF. 



= 1° 32' \ 



= i".oio5 • • • • 



Blackman-street ; April 2, 1824 ; Five-feet Equatorial. 



7th and 8^ magnitudes. 



Position = 58'> 5' */l 5 Obs. I Diff. = 1° 42' ) 



Distance = 24". 5 07 | 5 Obs. | Diff. =:o".6oo5 • • • • 



The small star is decidedly blue. 



Passy ; Februaiy 20, 1825 ; Seven-feet Equatoiial. 



7th and 8| magnitudes. 

 Position = 56° 33' sf \ 5 Obs. | Diff. = 0° 38'. 



Measures of A C. 



Blackman-street ; March 31, 1824 ; Five-feet Equatorial. 



7th and 9th magnitudes. 



Position = 55° 40' np \ 3 Obs. Diff. = 0° 10' \ rvj^.^i. 

 Distance = i' 58".364 | 3 Obs. Diff. = i".832 5 ^^^uit. 



The star C is very indistinct. 



Blackman-street ; April 2, 1824 ; Five-feet Equatorial. 



7th and 9th magnitudes. 



Position = 55° 10' nj9 J 3 Obs. I Diff. = 0° 5' ) 

 Distance=:i'58".853 I 3 Obs. I Diff.= i".oio5 • • • • 



Mean Result. 



of A B. Position 57° 7' sf{i5 Obs.) ; Epoch 1824.54 ; 



Distance 24".58i (10 Obs.) ; Epoch 1824.25. 



of AC. Position S5° 25' np {6 Obs.) ; Distance 1' 58".6o8 



(6 Obs.); Epoch 1824.25. 



