distances and positions 0/380 double and triple stars, &c. 131 
logue of 1782, proves that the star I. 9, and that here mea- 
sured, are identical. The proper motion suspected in one of 
the stars is not verified. 
No. CV. R. A. 9 h i2 m j Decl. 8° 48' S. 
27 Hydrae; VI. 85. 
Double, pretty unequal ; 7th and 8th magnitudes. 
Feb. IQ, 182Q. Distance. 
** r Parts. 
Five-feet Equatorial. Q ' 
Sp 716. 5 \ S 
Position =59 0 .2i 7 5/> 
Position. 
o , 
59 
59 
59 
716. 2 
Mean — 59.21 
Distance = 3 / -45 // .689 Means 716.90 
714.61 
Position about 6o° sp ; Vlth Class, far ; Catalogue of 1785. 
No. CVI. R. A. 9 h 20 m ; Decl. s° o' S. 
t Hydras ; Struve 344 ; VI. 71 ; 
Considerably unequal ; large reddish white ; small bluish. 
March 25, 1821. 
Five-feet Equatorial. 
n f 
Position. 
'• 2 ) 
,20 1 
■•43') 
:»! 
87, 
8743 
87.15 
86 . 
86 . 
H 
Position = 8 6°. 49 nf 
Distance = i'.B .683 
no. S') 
509- 4 
!0 9 . I t 
III. 3 J 
Mean z; 86.49 
Distance. 
Parts. 
21 
209. 
209. 
21 
2 1 1 • 2 ~\ 
211 . O 
2I 3- 5 
210 . 2 
2 1 1 . 5 
2I3. 2 
212. 2 J 
Mean = 21 1.22 
Z — — 0.0S 
211.14 
By SirW. Herschei/s measures we have for this .star, 
^Position 88° 36' np. Distance l'.i ".667; 1783.34. 
Considering the distance of these stars, it can hardly be 
doubted therefore that they have sustained a very sensible 
change of position, and a great increase of distance. 
