distances and positions of 380 double and triple stars, &c. 177 
No. CLVII. R. A. i2 h 47 m ; Decl. 12 0 29' N. 
Struve, 427 ; Piazzi XII. 221 ; 
Double ; large white, small blue ; small star does not bear 
a good illumination ; 6th and 9th magnitudes : the mea- 
sures are difficult. 
Position, 
o / 
73-15 
75 - 2 ° 
73 45 
72.3° 
73 - 5 
74 - 25 
Mean = 73.43 
May 23, 1823. 
Seven-feet Equatorial. 
sp 
Position = 73 0 43' sp 
Distance = Qg".iJo 
Distance. 
Parts. 
120. 3~ 
123. 8 
122. 3 
123. o 
122. 9 
I2 3 - 5 J 
Mean r= 122.63 
Z = — 1.31 
121.32 
No. CLVIII. R. A. i2 h 48“ ; Decl. 39 0 18' N. 
12 Canum Venaticorum ; Struve, 428 ; IV. 17 ; 
Very unequal ; large white; small plum colour ; 3d and 7th 
magnitudes. 
Position. 
O / 
44.26 
43-23 
42.30 
42. 0 
41. 0 
March 12, 1821. 
Five-feet Equatorial. 
sp 
Position = 42 0 40' 
Distance. 
Parts. 
64. 8 
64. 0 
67. 5 
71. 0 
70. 0 
Mean = 42.40 * 
Distance = 20". 307. 
Mean =67.46 
Z = - 3.16 
Position. 
0 t 
43.28 ^ 
43 - 2 6 \ H 
42. 0) 
44 - 0 ) 
43-45 IS 
43 - 5 °) 
Mean — 43.25 
April 9, 1823. 
Five-feet Equatorial. 
sp 
Position — 43 0 25' sp 
Distance^ 19". 221 
64.30 
Distance. 
Parts. 
6l - 4 l u 
6°- 3 5 H 
61. si s 
62. 2 5 b 
Mean rr 61.35 
Z = — 0.49 
60.86 
A a 
MDCCCXXIV. 
