§4 Mr. South' s observations of the apparent distances 



No. CCCCLXXXVIII. R. A. 5^ 26- ; Decl. 5° 34' S. 

 Seq. i"**- 6 Orionis ; Nova ; 

 Double ; 6th and 7th magnitudes. 



Blackman-street ; January 26, 1824; Five-feet Equatorial. 



Position = 2° 3' */ 1 5 Obs. I DifF. = o° 46' ) ,... , , ^ , , 



Distance = s^"'^4 \ 5 Obs. \ Diff. = i'ljA,] ^'^^^ ^^^^ unfavourable. 



The first of these stars follows A of 6 Orionis about seven seconds of time, and is 

 about 1' 32" to the south of it. 



Blackman-street ; January 27, 1824 ; Seven-feet Equatorial. 

 6th and 7th magnitudes. 

 Position = 1° o' «/ 1 5 Obs. DifF. = o" 3S' ) 

 Distance= 5i".364 I 5 Obs. DifF. = o".962 > - 



Passy ; March 24, 1825 ; Seven-feet Equatorial. 



6th and 7th magnitudes. 

 Distance = 52".409 | 5 Obs. | DifF. = o".529. Very steady. 



Observed by twilight, without artificial illumination. 



Mean Result. 

 (The observations of distance taken January 27, 1824, being 



rejected) 



Position 1° 46' sf\ Epoch 1824.07 ; Distance 52".4i8 ; 



Epoch 1824.64. 



Observations to connect this double star with 6 Orionis. 



Measures of A of 6, and of A of the following double star. 



Passy ; March 19, 1825 ; Seven-feet Equatorial. 



Diff! = o''.6oi } ^^'■y satisfactory. 



Position = 43° 32' «/ I 5 Obs. 

 Distance = 2' i4".90o | 5 Obs. 



Observed by daylight, the sun shining. 



Passy ; March 24, 1825 ; Seven-feet Equatorial. 



Position = 43° 41' ./ 5 Obs. I DifF. = 0° 18' ) „ . 



Distance = 2' i4".833 5 Obs. | Diff. = o".48i ] ^^^ "^^^^^ 



Observed by daylight ; observations good. 



Mean Result. 

 Position 43** s6' sf Distance 2' 14^.866 ; Epoch 1825.22. 



(The star A of the following double star being to the south of A of fl Orionis.) 



