distances and positions of 380 double and triple stars , &c. 337 
No. CCXCII. R. A. 19 11 io m ; Deck 37 0 49' N. 
0 Lyrae ; VI. 56 ; Struve, 614 ; 
Excessively unequal ; 4 and 10 or 12 magnitudes ; large, 
white ; small, blue. 
Position. 
o ' 
18.40'' 
17.40 
17.30 J>S 
> 6-45 
I7.I2 
Mean — 17.33 
July 24, 1823. 
Five-feet Equatorial. 
nf 
Position = 17° 33' nf 
Distance = P42 ".6gg. 
Distance. 
Parts. 
32 7 - 3 ' 
33 °* 7 
323 - 5 
325. o 
3 2 7 - 5 - 
Mean = 326.80 
Z — — ■ 1.64 
325.16 
Small star scarcely bears any illumination ; the measures 
very unsatisfactory. 
Position. 
i°8. 5I 
17 - 35 
18. o 
1 8 - 45 
Vs 
18.10 
* 7-55 - 
Mean — 18. 7 
July 31, 1823. 
Seven-feet Equatorial. 
nf 
4 and 15 magnitudes. 
Distance. 
Parts. 
416. 8" 
4 !8. 5 
422. 5 ^S 
422. 3 
420. 3_ 
Position == 18 0 7' nf Mean = 420.08 
Distance = 1' 40". 690. ~ 1- L 
418.77 
During the last two measures of distance, the small star 
is become much brighter, and is of the 12th magnitude, but 
it bears very little illumination, and the measures of distance 
are extremely difficult. 
