i8o Mt.Herschei/s and Mr. South’s observations of the apparent 
No. CLX. R. A. 13 11 i m ; Decl. 4 0 34' S. 
9 Virginis ; Struve, 432 ; III. 50 ; 
Triple ; the small close star is a very severe test for a tele- 
scope ; it bears a strong illumination, however, though 
exceedingly faint, and is even better seen for it. The 
distant star does not bear illumination, on which account 
no measures of distance could be procured. 
Position. 
90—12.40 
14- 1 
10. o 
* 3 - 5 
14.20 
* 3 - 3 8 
12.20 
} 
i 
H 
S 
Mean — 12.52 
March 27, 1821. 
Five-feet Equatorial. 
Measures of AB. 
np 
Position = 77 0 8' np 
Distance = 8^.301. 
Distance. 
Parts. 
25. 5 H 
28. o S 
24. o H 
28. o S 
Mean — 26.37 
Z- — 0.08 
26.29 
Position. 
90—t$>. 
65 
6 S 
•5' 0 ) 
fsf 
H 
Mean — 65.57 
Measures of AC 
np 
Position = 24 0 3 ' np. 
Other measures. 
Position of AB 6 g° i8' np ; 'Distance /.13 ; 1782.99 ; H. 2d Cat. 
71 10 np ; 1802.31 ; Ditto. MS. 
