372 Mr. Herschel’s and Mr . South's observations of the apparent 
21, fjj Draconis continued. 
in 1804 ; and the observations here brought together prove it 
to have been hitherto nearly uniform, and averaging o 0 .5jgz 
per annum, in the direction npsf or retrograde. There can 
be little doubt of its being a binary system— a miniature of 
a Geminorum. 
No. CCXLIIL R. A. i7 h 4 m ; Decl. 2 6° 18 S. 
3 6 Ophiuchi ; 
Double ; nearly equal ; 6th magnitude. 
Position. 
o I 
43* 2 4 
41. 8 
40.56 
42.20 
42.30 
Mean = 42. 4 
June 13, 1822. 
Five-feet Equatorial. 
sp or nf 
Position = 42 0 4' sp or nf 
The stars appear to describe angles of 10 or 12 degrees 
about each other, from the effect of refraction twinkle very 
. { > 7i jlC ) ' ' 1 £' V # 
much, and the measures are in consequence very difficult. 
Position. 
o i ' 
43-35" 
44. 9 
43.26 
42.50 
43- ° 
42. j 3 
42.34J 
Mean “ 43. 7 
June ig, 1822. 
Five-feet Equatorial. 
Sp 
Position — 43 0 .7' sp 
Distance = 5". 66 2. 
Mean 
Z = 
Distance. 
Parts. 
20. o" 
19. 4 
20. o 
18. 8 
18. 1 
20. ? 
l 9 • 3 . 
> S 
J 7-93 
Stars very steady ; the measures very satisfactory. 
