distances and positions of 380 double and triple stars, &c. 103 
No. LXXXI. R. A. 7 h 23*” ; Decl. 32 0 if N 0 
Castor ; Struve 2 66 ; II. 1 ; 
3rd and 4th magnitudes. 
Position. 
March 13, 1821. 
Distance. 
Parts. 
0 - 49 ) 
Five-feet Equatorial. 
ai. 5 ) 
I 
4 - 2 S > H 
3.26) H 
sp 
* 9 - 8 
21. 0 3 
> H 
01 5 ) 
Position = 3°.2i' sp 
19. oi 
) 
5-3° > S 
22. 0 j 
> s 
5 - 4 o) 
Distance^ 5".467 
19 - 5 J 
1 
Mean = 3.21 
Position. 
1.30' 
i- 5 
4. o 
1. 15 
4.20. 
Mean — 2.26 
Position. 
o / 
*• 4 ) 
2, 4 ° Vh 
3.28 
3*5 J 
2 - 5 6 ) 
2.28 v S 
2. 2) 
i.c* H 
Mean = 20.47 
Z 3.16 
March 17, 1821. 
Five-feet Equatorial. 
Position = 2°. 2 6' sp 
Distance = 5^743 
These observations were made by 
daylight between 4 h 25“ and 
5 k i m ST. 
17.31 
Distance. 
Parts. 
21. 4') 
22 * S f 
20. 8 > S 
20. O I 
22. O J 
Mean n 21.34 
Z — — 3.16 
i8.l8 
March 25, 1821. 
sp 
Position 2°.52 # sp 
