distances and positions of 380 double and triple stars , &c. 205 
Position, 
o 0 / 
90—46-151 
41.20 
45. o 
43-3° 
43-ioJ 
H 
Mean — 43-51 
By daylight. 
Position, 
o o > 
90 — 3115 
34- 42 
35- 23 
35- 12 
34- 4. 
s Bootis continued. 
Seven-feet Equatorial. 
3rd and 8th magnitudes. 
np 
Position = 46° 9' n p 
Distance = 4". 253 
June 16, 1823. 
Five-feet Equatorial. 
Distance. 
Parts. 
I 7- 2 1 
18. s | 
20. o V- H 
18. 6 | 
19 oj 
Mean = 18.66 
Z = — 0.97 
17.69 
By daylight. 
Position. 
L-S 
Position 
Position = 57 
55 ° 53 
Without, 
32 With, green glass 
Mean — 34. 7 without coloured glass. 
90—32-45! 
34- 1 3 
33-07 
32.35 
3'-5 6 
30- 5. 
>-S 
By twilight. 
Position. 
o O / 
00 — 32. o 
33-27 
32.30 
33-45 
33- 5° 
34- 43 
35- o 
33-35 
33- io 
32.37 
34- 32 
34- 3i 
35- o. 
Mean — 32.28 
A piece of green glass interposed be- 
tween the eye and the eye-glass. 
By lamplight. 
Position. 
Mean — 33.45 
Seven-feet Equatorial. 
June 16, 1823. 
Position =2= 56 1 6 S 
Position =51° 32' H. 
Mean result. 
o o 
90—41. o~ 
40.40 
38- 30 
34.30 H 
37-32 
3 3 - 7 
39- o. 
Mean — 38.28 
Position 52 0 59' np ; Distance 3". 931 ; 1822.55. 
Nothing can be more unsatisfactory than the measures 
of this very difficult star, especially in position, the difference 
