and positions oj 458 double and triple stars, &c. 221 



No. DCCIV. R. A. i8»^ 32™ ; Decl. 9° 33' N. 



Struve, 582 ; Hist. Gael. 87- 



Double ; 9th and loth magnitudes ; both bluish, and bear a 



tolerable illumination. 



Blackman-street ; July 12, 1824 ; Five-feet Equatorial. 



Position = 0° 38' * w I c Obs. I Diff. = o" 34") ^^-n; 1^ 

 Distance = 57".545 | 5 Obs. ; DiiF. = i" .6j^\^'^^''^^' 



Passy ; July 4, 1825 ; Seven -feet Equatorial. 



9th and Qi magnitudes. 



Position = 1° 15' 50 1 c Obs. I DifF. = 0° 50' 7 ,. .-n: ,. 

 Distance = 56".458 | 5 Obs. | DifF. = d'.Ls \ Very difficult. 



Stars very steady, but the small one does not bear a good illumination. 



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



9th and 9f, or 10th magnitudes. 



Position = 1° 19' sp 5 Obs. I DifF. = 0° 34' ) „ ^, ,.^ . 

 Distance = sfW 5 Obs. j DifF. = d'.glj \ ^^^^^' ^^^^"l*' 



Set the position wire to zero, and the small star remained above the wire, whilst 



the large one continued bisected by it, during their passage across the field. 



Mean Result. 



Position 1° 4' sp (15 Obs.); Epoch 1825.20 ; 

 Distance 5'i".65^ (10 Obs.) ; Epoch 1825.04. 



The observations of distance taken July 4, are rejected in 

 taking the mean. 



No. DCCV. R. A. 18^ 59"^ ; Decl. 34° 22' N. 



Nova ; 

 Double ; large, white ; small, light blue decidedly ; 8^ and 



11th magnitudes. 



Passy; June 29, 1825; Seven-feet Equatorial. 



Position = 68° 22' sf\ c Obs. I DifF. = 2° 12' ) „ ^ ., 

 Distance = 4".374 | 5 Obs. | DifF. = o".649 J ^^^7 steady. 



Small star bears but a very feeble illumination, and the measures are extremely 



difficult. 



