90 
MR. RUMKER’S OBSERVATIONS 
5 Octantis. (Arm. Var. — 17'-329.) — (Continued.) 
Superior Culmination. 
Inferior Culmination. 
1827. 
Barom. 
i 
o 
g 
Microscopes. 
1827. 
Barom. 
-G 
H 
Microscopes. 
1. 
II. 
ill. 
IV. 
1. 
II. 
in. 
IV. 
May 2 5 
27 
June 1 
o 
7 
29 
J uly 4 
10 
18 
inches. 
30.104 
30.130 
30.30 
30.21 
30.13 
29.93 
30.34 
30.15 
29.93 
52 
48.5 
49 
48 
48.5 
40.0 
48 
52 
47.5 
0 / // 
7 23 37 
» » 4a. 7 
„ „ 46.0 
„ „ 44.5 
„ „ 41.0 
» ». 46.2 
» » 43.3 
„ „ 41.0 
„ „ 39.0 
/ /✓ 
23 56.7 
23 58.3 
24 1.5 
24 0.0 
23 50.0 
23 58.2 
23 54.5 
23 55 
23 53.0 
23 52.5 
24 0.4 
24 5.0 
24 3.0 
23 56.7 
23 56.5 
23 56.3 
23 53.7 
23 49.0 
✓ // 
24 14.0 
„ 12.0 
„ 12.0 
„ 19.0 
„ 14.0 
„ 11.2 
„ 14.0 
„ 12.0 
„ 9.2 
July 7 
9 
12 
15 
17 
19 
inches. 
30.333 
30.27 
30.02 
29.69 
29.90 
29.90 
0 
47 
48 
44 
39 
56 
39.5 
353 9 16 
„ „ 14 
„ „ 14 
„ „ 11 
„ „ 14.7 
„ „ 8.3 
/ // 
9 20.0 
„ 18.0 
„ 18.4 
„ 13.3 
„ 20.5 
„ 15.0 
✓ // 
9 15 
„ 18 
„ 16.2 
„ 12.0 
,, 16.7 
„ 19.0 
/ // 
9 20 
„ 18.5 
„ 17.0 
„ 15 
„ 19 
„ 16.7 
July 13 
Refract 
... Mean ... 
-j- Reduct. 
353 9 13.0 
-2 8.0 
9 17.5 
2 8.1 
9 16.5 
2 8.0 
9 17.5 
2 8.1 
353 7 05.0 
7 9.4 
7 8.5 
7 9.4 
7 23 42.63 
- 1 0.53 
23 56.4 
1 0.5 
23 57.0 
1 0.5 
24 13.04 
1 0.53 
Refract. — Reduct. 
Superior Culminat. 
Inferior Culminat. 
Half Diff. S. P. D. 
Mean of 4 Microscopes 7° T 54".34 by 15 Observ. 
7 22 42.10 
353 7 05.0 
22 55.9 
7 9.4 
22 56.5 
7 8.5 
23 12.51 
7 9.40 
7 7 48.55 
7 53.2 
7 54.0 
8 1.5 
1827. 
Barom. 
££ 
»- 
S 
JZ 
H 
Microscopes. 
1827. 
Barom. 
6 
M 
O 
s 
Microscopes. 
1. 
II. 
in. 
IV. 
1. 
11. 
III. 
IV. 
July 28 
30 
Aug. 1 
inches. 
30.25 
30.01 
30.10 
o _ 
49.5 
45 
42 
0 / // 
7 23 37 
99 99 37 
„ „ 38 
/ n 
23 49.7 
„ 50.0 
» 52.0 
/ // 
24 1.0 
23 50.5 
23 47.0 
23 49 
24 7 
24 3 
July 27 
31 
Aug. 1 
17 
inches. 
30.29 
30.04 
30.08 
30.102 
0 
39 
49 
32 
36.5 
0 ✓ // 
353 9 13 
)> » 12 
„ „ 14 
„ „ 11 
/ // 
9 19 
„ 14 
„ 18.9 
„ 18.0 
/ ✓/ 
9 14 
„ 11 
„ 20.3 
„ 15 
/ II 
9 15 
„ 13.8 
„ 18.0 
„ 16.8 
July 30 
... Mean ... 
7 23 37.3 
- 55.9 
23 50.6 
55.9 
23 52.8 
55.9 
23 59.7 
55.9 
Refract. — Reduct. 
Superior Culminat. 
Inferior Culminat. 
Half Diff. S. P. D. 
Aug. 6 
... Mean ... 
353 9 12.5 
-2 10.2 
9 17.5 
2 10.2 
9 15.1 
2 10.2 
9 15.9 
2 10.2 
7 22 41.4 
353 7 2.3 
22 54.7 
7 7.3 
22 56.9 
7 4.9 
23 3.8 
7 5.7 
Refract, and Reduct. 
353 7 2.3 
7 7.3 
7 4.9 
7 5.7 
7 7 49.55 
7 53.7 7 56.0 
7 59.05 
Mean of 4 Microscopes 7° V 54".58 by 7 Observ. 
1828. 
Barom. 
O 
H 
Microscopes. 
1828. 
Barom. 
i 
<U 
-C 
H 
Microscopes. 
1. 
II. 
III. 
IV. 
1. 
II. 
ill. 
IV. 
June 27 
28 
July 3 
12 
16 
17 
18 
19 
inches. 
30.25 
30.222 
29.69 
29.98 
j 29.83 
; 29.65 
29.87 
29.95 
0 
;>7.0 
56.0 
53 
19.3 
57 
63 
[o9 
[53 
0 / // 
7 21 49 
» ,, 48 
„ „ 56 
„ „ 56.3 
„ „ 55.0 
» „ 54.0 
99 99 **** 
„ „ 52.2 
/ /✓ 
21 48.5 
„ 50.0 
„ 54 
„ 56 
„ 56.5 
„ 53 
„ 54 
„ 52.3 
/ // 
21 48 
„ 43 
„ 51.7 
„ 51.5 
„ 53.2 
„ 51.3 
» 49 
„ 47.7 
21 58 
21 59 
22 2 
22 3 
22 7.3 
22 5.0 
22 4.0 
22 3.8 
July 12 
13 
15 
17 
18 
inches. 
29.93 
29.91 
30.02 
29.78 
30.00 
0 
37.5 
32 
39 
54.5 
36.5 
353 7 51 
„ ,, 58 
» » 53 
„ » 44 
„ „51.8 
/ // 
7 53 
„ 52.7 
„ 54.0 
„ 47.1 
» 52.7 
/ ✓/ 
7 50.2 
„ 50.0 
„ 49.2 
„ 41.2 
„ 46.2 
/ // 
7 51.2 
„ 49.0 
„ 51.0 
„ 43.0 
„ 51.8 
July 15 
Refract 
... Mean ... 
and Reduct. 
353 7 51.3 
-2 23.6 
7 51.6 
2 23.6 
7 47.4 
2 23.6 
7 49.2 
2 23.6 
353 5 27.7 
5 28.0 
5 23.8 
5 25.6 
July Io 
Refract 
... Mean ... 
— Reduct, 
, 7 21 53.2 
-39.6 
21 53.04 
39.63 
21 49.4 
39.6 
22 2.8 
39.7 
Mean of 4 Microscopes 7° V 54".35 by 13 Observ. 
Superior Culminat. 
Inferior Culminat... 
Hair. niff. s. p. n. 
7 21 13.6 
353 5 27.7 
21 13.4 
5 28.0 
21 9.8 
5 23.8 
21 23.1 
B 25.6 
7 7 52.9 
' 7 52.7 
7 53.0 
7 58.8 
