distances and positions of 380 double and triple stars , &c. 243 
No. CCXVI. 
Position. 
O t 
12 . 2 
10.51 
I2.45 
1 1. 12 
12.51 
I2.50 
1 
S-H 
Mean = 12. 5 
R. A. i5 h 54 ,n ; Decl. io° 52' S. 
| Scorpii ; II. 20 ; 
June 13, 1822. 
Five-feet Equatorial. 
4 and 8 magnitudes. 
nf 
Position = 12 0 f nf 
Distance = 6".767. 
Distance. 
Parts. 
22. 1" 
22. o 
20. 
22. 
20. 1 
22. 5J 
Mean rz 21.60 
Z — — ■ 0.17 
Position. 
0 / 
10.30") 
June 18, 1822. 
10.25 [ 
Five-feet Equatorial. 
IOMO 1 
ii- 5 r 
nf 
12.10 1 
12. 5J 
Position = ii° g' nf 
Mean =211.9 
Distance = 6 ". 771 
Mean — 22.92 
Z ~ — 1.48 
21.44 
Measures extremely satisfactory. S. 
Mean. 
Position ii° 37' nf ; Distance 6" 7 69 ; Epoch 1822.46. 
Other measures are, 
1782.36 ; Position i° 23' nf- ? Distance 6'.38 (too large) ; H. Catalogue of 1782. 
1819.50; 21 o nf ; 9.31; Struve, Dorpat. Obs. ii. Addit. 190, 
M. Struve’s angle being determined by estimated ratios 
of the difference of R. A. to that of Declin. cannot be placed 
much reliance on ; but the difference between his distance 
and ours is unaccountably great. The large star of J has not 
been seen double by us. This is perhaps a binary system, 
with a mean annual motion of — o°.2 36, 
