distances and positions of 3 80 double and triple stars, &c. 409 
0, 84 Virginis continued. 
The distance has certainly diminished materially. With 
regard to the angles, one of the three positions must be er- 
roneous ; and if ours be correct, there is no doubt of a sen- 
sible or perhaps even a considerable angular motion. Further 
observations must decide. 
No. CCCLXXV. R. A. 14 11 49™ ; Decl. io° 24' S. 
18 Librae ; IV. 56 ; Struve, 468 ; 
Triple ; A of the 5th ; B the 12th; C of the 15th magnitude. 
Excessively difficult. A line drawn through A and B will 
bisect C. 
Position. 
April 10, 1823. 
Distance. 
O / 
5 3 - o) H 
54 - °5 
Five-feet Equatorial. 
Mean " Bj. o H 
Measures of AB. 
Z = — 0.73 
Mean ~ 53.30 
nf 
Position == 53 0 30' nf 
Distance = 26". 614. 
84.27 
April 11, 1823. Five-feet Equatorial. 
Position = 55 0 25' nf. Single measure. 
Mean . 
Position 54 0 8' nf ; Distance 26".6 i^ ; Epoch 1823.3. 
3 G 
MDCCCXXIV. 
