distances and positions of 380 double and triple stars , &c. 63 
No. XXXIX. R. A. 3 h 46“ ; Decl. 39 0 29' N. 
s Persei ; Struve 112 ; II. 32 ; 
Extremely unequal ; large white ; small bluish ; beautifully 
defined ; and stars very steady. 
Position. 
0 , 
79-!5l 
79-54 
80.55 
82.10 
79 - 1 3 . 
Mean = 80.17 
Position. 
O / 
78. 6' 
79.40 
79- 12 
79.29 y s 
79 - 7 
78.52 
79.2^ 
Mean = 79. 7 
Dec. 8, 1821. 
Five-feet Equatorial. 
nf 
Position = 8o° 17' «/ 
Distance = 8" 498. 
Dec. 16, 1821. 
Five-feet Equatorial. 
nf 
Position = 79 0 7' nf 
Distance = 8".6$g. 
Distance. 
Parts. 
Mean r= 27.00 
Z — — 0.09 
26.91 
Distance. 
Parts. 
26. gr\ 
27. 9 
28. 1 y S 
28. o I 
27 - 5 J 
Mean = 27.68 
Z — — 0.26 
27.42 
South following and distant is a small star which bears 
illumination rather better than the closer one ; when the 
field is dark it also seems brighter. 
Position = 54,°.o' sf (2 measures, S.) 
Mean result. 
Position 79 0 38' nf; Distance 8".587 ; Epoch 1821.95. 
The position remains as it was at the time of the earliest 
measures, but the distance is undoubtedly increased, as 
allowing if" for the diameter of the large star, the distance 
