and positions of 458 double and triple stars y &c. ss 



No. CCCCXX. R. A. 2^ 42™ ; Decl. 37° 36' N. 



20 Persei ; Struve, 8^ ; III. 60. 



Double ; 6th and 12th magnitudes ; small, blue, and very 

 .faint, but unquestionably becomes more distinct by slight 

 illumination. 



Passy ; November 21, 1824 ; Seven-feet Equatorial. 



DifF; = J".2^98}^^'7^'^'="^** 



Position =34" 2'' *p I 5 Obs. 

 Distance = 1 4".049 | 5 Obs. 



Passy ; December 10, 1824 ; Seven-feet Equatorial. 



6th and 12th, or 15th magnitudes. 



Position =33° 38' sp 5 Obs, 

 Distance = 1 3".7 24 | 5 Obs. 



DifF.= i°48' I T, ^ 1 j-^ ,. 

 DifF.=o".962 5 Extremely difficult. 



Mean Result. 

 Position 83° 50' 5^ ; Distance 13".886; Epoch 1824.91. 



In 1783 the position v^as 30° 30' sp^ a measure which is 

 confirmed by an observation in a 20-feet sweep in the same 

 year, where it is stated at 30° sp. The distance i4".03. 

 There is therefore no evidence of material change in this 

 star. (H.) 



No. CCCCXXI. R. A. Q^ 46™ ; Decl. 43° 47' N. 



Struve, 86; Hist. Ca2l. lai. 



Double ; 9th and 10th magnitudes; small, blue. 



Passy ; November 15, 1824 ; Seven-feet Equatorial. 



Position =26" 41' np 1 z Obs. I Diff. = i'> 57' } ,, ,.^ . 

 Distance=28".i53 | J Obs. | DifF. = i".i78} ^^'^ difficult. 



Night fine; but the small star bears only a very slight illuminatiou. 



Passy ; November 16, 1824 ; Seven-feet Equatorial. 



lOth and llth magnitudes. 



Position =26« 52' np f 5 Obs. I Diff. = 3'» 18' ) ^ ^ 1 j-n: 1 

 Distance=28".67o | 5 Obs. | DifF. = 2".7i7 J ^^^^^^^h difficult. 



Mean Result. '^^'^^"^ 



Position 26° 46' np; Distance 28".4ii ; Epoch 1824.87. 



MDCCCXXVI. f 



