94 
MR. RUMKER’S OBSERVATIONS 
(o Octantis. (Ann. Var. — 18".42.) — (Continued.) 
Superior 
Culmination. 
Inferior Culmination. 
1828. 
Barom. 
p 
Microscopes. 
f 
Microscopes. 
1828. 
Barom. 
£ 
I. 
ii. 
III. 
IV. 
H 
i. 
ii. 
hi. 
IV. 
May 12 
inches. 
29.80 
o 
72 
O 
7 
58 
// 
7.1 
/ 
58 
// 
9.0 
58 
// 
5.1 
58 
// 
15.0 
May 13 
inches. 
29.78 
o 
66 
o ^ / 
352 31 
// 
25 
31 
/✓ 
28.4 
/ // 
31 27.7 
/ 
31 
// 
20 
11 
29.92.1 
49.5 
» 
»» 
5.0 
99 
11.7 
99 
6.4 
99 
9.0 
14 
29.88 
66 
99 
5) 
24.8 
99 
28.5 
99 
26.0 
99 
17.0 
18 
30.222 
35 
„ 
99 
13.4 
99 
15.8 
99 
16.0 
99 
16.1 
15 
29.99 
58.2 
99 
99 
22.4 
99 
24.9 
99 
28.0 
99 
13 
19 
30.40 
36 
»> 
99 
11.1 
99 
15.0 
99 
22 
99 
17.0 
16 
30.05 
50.3 
99 
99 
21.8 
99 
25.0 
99 
25.5 
99 
13.3 
20 
30.39 
46 
99 
9.0 
99 
13.4 
99 
15.7 
99 
13.0 
18 
30.11 
50.0 
99 
99 
22.5 
99 
27.3 
99 
27.2 
99 
14.0 
2.1 
30.27 
47.2 
,, 
» 
8.0 
99 
13.5 
99 
12.4 
99 
14.2 
19 
30.30 
50.3 
99 
99 
26.8 
99 
26.9 
99 
32.5 
99 
16.0 
24 
30.23 
45.5 
13.5 
99 
16.3 
99 
9.3 
99 
20.2 
20 
30.39 
52.1 
99 
99 
22.1 
99 
26.2 
99 
31.1 
99 
13.0 
9.6 
58 
13.5 
58 
12.4 
23 
30.23 
55.6 
19.0 
23.8 
23.2 
10.0 
May 18 
.o...Mean... 
7 58 
58 
15.0 
99 
-1 
38.4 
38.4 
38.4 
24 
30.22 
59 
15.5 
20.9 
20.5 
9.0 
Refract, and Reduct. 
i 
1 
1 
38.4 
JJ 
Superior Culminat. 
7 
56 31.2 
56 
35.1 
56 34.0 
56 36.6 
May 18 
... Mean ... 
352 31 
22.21 
31 25.77 
31 
26.85 
31 
13.93 
Inferior Culminat... 
352 
29 56.9 
30 
0.5 
30 
1.5 
29 48.6 
Refract, and Reduct. 
-1 
25.3 
1 
25.3 
1 
25.3 
1 
25.3 
Half DifT. S. P. D. 
7 43 
17.15 
43 
17.3 
43 
16.7 
43 24.0 
352 29 56.9 
30 
0.5 
30 
1.5 
29 48.6 
Mean of 4 Microscopes.... 
7° 43 ' 1 8".8 by 16 Ohserv. 
= 
Microscopes. 
a 
Microscopes. 
1828. 
Barom. 
1828. 
Barom. 
H 
I. 
II. 
III. 
IV. 
H 
i. 
II. 
III. 
IV. 
| inches. 
O 
58 
// 
/ 
/ 
// 
/ 
// 
inches. 
/ 
// 
/ 
// 
// 
✓ 
// 
May 27 
29.94 
49 
7 
11 
58 
14.5 
58 
12 
58 
11.7 
May 25 
30.14 
59 
352 31 
20.9 
31 
22.1 
31 
21.5 
31 
12 
29 
29.81 
34.5 
99 
99 
8.7 
»» 
19.2 
99 
17.0 
„ 
15.0 
27 
29.95 
63 
99 
99 
18.5 
99 
20.3 
99 
23.0 
99 
14.2 
31 
29.93 
35 
99 
99 
10 
99 
16.4 
99 
13.0 
99 
13 
28 
29.87 
55 
99 
99 
20.1 
99 
22.5 
99 
27.0 
99 
13.0 
June 1 
30.05 
35 
99 
99 
7.5 
99 
13.0 
99 
14.2 
99 
10.2 
29 
29.80 
50.7 
99 
99 
21.0 
99 
20.5 
99 
26.0 
99 
14.7 
6 1 
29.57 
39.5 
99 
99 
10.0 
„ 
13.0 
99 
8.1 
99 
11.0 
30 
29.79 
51.0 
99 
99 
21.9 
99 
24.4 
99 
28.3 
99 
11.5 
J 
/ 
29.48 
39.0 
99 
99 
13.3 
99 
16.0 
99 
15.0 
99 
19.0 
31 
29.82 
55 
99 
99 
16.5 
99 
19.0 
99 
19.6 
99 
15.0 
9 
i 
29.69 
50 
99 
99 
11.1 
99 
15.4 
99 
10.5 
99 
19 
June 1 
30.00 
50 
99 
99 
20.8 
99 
23.0 
99 
21.2 
99 
13 
12 
30.05 
29 
99 
99 
21.0 
» 
19.5 
99 
18.0 
99 
25 
2 
29.99 
53 
99 
99 
13.0 
99 
18.0 
99 
20.0 
99 
16.8 
17 
30.112 
38.5 
99 
99 
13.4 
99 
15.5 
99 
13.0 
99 
19 
3 
29.95 
55 
99 
99 
13.4 
99 
18.0 
99 
21.4 
99 
10 
19 30.31 
36.5 
99 
99 
17.0 
99 
17.0 
99 
12.3 
99 
18 
6 
29.70 
52 
99 
99 
17.4 
99 
20.2 
99 
17.7 
99 
9 
20 30.27 
35.5 
99 
99 
16.8 
99 
20 
99 
17.0 
99 
23 
7 
29.47 
55.5 
99 
99 
15.2 
99 
18.0 
99 
21.0 
99 
7.4 
20 30.30 
45 
99 
99 
18.8 
» 
13.5 
99 
8.7 
99 
19 
10 
29.72 
52 
99 
99 
19.5 
» 
20.0 
99 
26.2 
99 
13 
58 
13.2 
58 
16.9 
11 
29.70 
54 
22.2 
19.0 
21.0 
17.4 
June 9 
... Mean ... 
7 
58 
16.1 
58 
13.2 
Refract, and Reduct. 
-1 
42.7 
1 
42.7 
1 
42.7 
1 
42.7 
June 2 
... Mean ... 
352 
31 
18.5 
31 
20.4 
31 
22.6 
31 
13.0 
Superior Culminat. 
7 
56 30.5 
56 33.4 
56 
30.5 
56 
34.2 
Refract, and Reduct. 
-1 
21.6 
1 
21.6 
1 
21.6 
1 
21.6 
Inferior Culminat... 
352 29 
56.9 
29 58.8 
30 
1.0 
29 51.4 
352 
29 56.9 
29 58.8 
30 
1.0 
29 51.4 
Half Diir. s. r 
'. D. 
7 
43 
16.8 
43 
17.3 
43 
14.7 
43 
21.4 
Mean of 4 Microscopes. 
7° 43' 17" 
.55 
by 25 Observ. 
Mean S. 
P. 
1 ). 
of /3 Octantis, . 
fan. 
1, 
1828 . . 
. 7° 43' 
18". 
12 
by 89 Observ. 
