Stellarum compositarum mensurae. 
567 
2758. 61 CyGNI. 
Major (5, 6)< flam, minor (6) certo flaeior. 
0 c h 3» 
Ampli- 
Distantia 
^ umeru$ 
Angl 
jIus 
D 
rie 
r e n 
t j a c 
a 1 
ne d 
i 0 . 
{icatio. 
—■ 
Г. 
mensur. 
—- 
IV. 
dr. 
dtv 
1 
f-div. 
1828. Sept. 
22 
480 
15", 
31 
1 
89", 
40 
_ 
0", 
14 
-f 
0", 
13 
-b 
0" 
04 
1831. Aug. 
14 
480 
15, 
50 
4 
91, 
10» 
— 
0, 
12 
— 
0, 
09 
— 
0, 
03 
Sept, 
8 
320 
15, 
61 
2 
91, 
18 
— 
0, 
01 
— 
0, 
06 
— 
0, 
02 
— 
23* 
480 
15, 
76 
3 
91, 
08 
0, 
14 
— ■ 
0, 
18 
— 
0, 
05 
Oct. 
10* 
480 
15, 
66 
2 
91, 
30 
-b 
0, 
03 
— 
0, 
01 
0, 
00 
1832. — 
1* 
480 
15, 
79 
2 
»2, 
20 
+ 
0, 
10 
0, 
25 
+ 
0, 
07 
Medium pro 1831, 38 15", 605 »l", 04 
Error probabUis 0", 03S 0°, 10“ 
Observariones aliae bis priores nobis eliam duas relationes Inter bas slellas offe- 
runt. Ex i6 Gulmlnationibus lum per tubum Dollondlnum octlpedem tum per tu- 
bura cireuli merldlani Eeicbenbaehiani Institutis Inveneram pro 1820, 51 epocha 
differenllam l» ABl — -f- 1", 268, unde per anguîura quem 1819,92 inveneram 
per micrometrum filare* й»~83°, O, distantia rrz; i5", ii sequitur. Altera men- 
sura est per tubum 5 pedum fiîari micromelro instruclum Fraunhoferlano. Quae 
composita ita se babent. 
Medium pro 
Hae relatione eollata cum superiore motus fit in 9,77 annis Jr — -\-d\SbS 
t\ dw — 6®, 35. Singulas mensuras contuli cum formulis : 
r zi: 15", 605 (/ — 1831,38) 0",060 
» =. 91% 04 -jr (/ —1831, 38) 0% 650. 
Epocha. 
Distantia 
A Л g Q 1 US 
ZZ. 
1819, 92 
1820, 51 
15", 11 
83% 0 
1822, 72 
14, 93 
85, 8 
1821, 61 
15", 02 
84% 69 
/ 
