AT THE OBSERVATORY AT PARAMATTA 
81 
o Octantis. (Ann. Var. + 19".967.) 
Superior Culmination. 
6. 
Barom. 
Therm. 
Microscopes. 
Refr. 
Red. 
+ 
i. 
II. 
III. 
IV. 
inches. 
o / // 
/ // 
/ // 
, u 
: 23 
29.85 
37 
1 22 52 
22 50 
22 52 
22 57.2 
1 26.33 
4.19 
26 
30.14 
29 
„ 22 56.7 
22 54 
22 58 
23 1.4 
„ 28.52 
4.05 
27 
30.22 
30 
„ 23 2.3 
23 0 
23 4 
23 8.7 
„ 28.57 
3.98 
28 
30.15 
33 
„ 22 53 
22 50 
22 55 
22 57.5 
„ 27.87 
3.94 
30 
30.14 
34 
„ 22 56.1 
22 55.7 
23 3.6 
23 3.0 
„ 27.67 
3.88 
27 
... Mean ... 
1 22 56 
22 53.9 
22 58.5 
23 1.6 
1 27.79 
4.01 
action 
- 1 27.79 
1 27.79 
1 27 79 
1 27 79 
iction 
+4.01 
4.01 
4.01 
4.01 
rior Culminat. 
1 21 32.22 
21 30.12 
21 34.72 
21 37.82 
*ior 
Culminat... 
359 59 53.46 
59 51.56 
59 58.66 
0 0.96 
Diff. S. P 
D. 
0 40 49.38 
40 49.28 
40 48.03 
40 48.03 
Inferior Culmination. 
1826. 
June 23 
27 
28 
July 1 
Barom. 
inches. 
30.03 
30.16 
30.21 
29.98 
44 
41.5 
43 
48 
July 27 ... Mean .. 
Refraction 
Reduction 
Microscopes. 
i. 
II. 
III. 
IV. 
o ' jt . 
/ // 
0 1 22.4 
1 17.2 
1 28.3 
1 30.5 
„ 1 26.7 
„ 28.5 
„ 33.5 
„ 38.6 
„ 1 29.0 
» 28.7 
„ 36 
» 36.7 
„ 1 32.7 
„ 29.0 
„ 34.0 
» 35 
0 1 27.7 
1 25.8 
1 32.9 
1 35.2 
-1 30.25 
1 30.25 
1 30.25 
1 30.25 
-3.99 
3.99 
3.99 
3.99 
359 59 53.46 59 51.56 
59 58.66 
0 0.96 
Refr. 
Red. 
/ // 
1 30.1 
4.19 
» 30.9 
3.98 
„ 30.8 
3.94 
„ 29.2 
84 
1 30.25 
3.99 
Mean of 4 Microscopes 0° 40' 48".46 by 9 Observ. 
, 
Barom. 
g 
Microscopes. 
Refr. 
Red. 
P 
i. 
II. 
hi. 
IV. 
23 
inches. 
29.85 
o 
47 
O / // 
0 57 22.7 
57 26.7 
57 45.2 
57 33.0 
/ // 
1 25.22 
// 
14.13 
26 
30.05 
45 
„ „ 28.5 
„ 31.0 
» 33.3 
„ 36.1 
„ 27.10 
14.31 
27 
30.01 
36 
,, ,, 36.0 
» 40.7 
„ 44.7 
„ 50.3 
„ 28.54 
14.35 
29 
29.86 
34 
„ „ 42.0 
» 42 
„ 48.5 
» 51.3 
„ 28.47 
14.42 
26 
.2... Mean... 
0 57 32.3 
57 35.4 
57 42.9 
57 42.67 
1 27.33 
14.3 
ct.and Reduct. 
-1 41.6 
1 41.6 
1 41.6 
1 41.6 
•ior Culminat. 
0 55 50.67 
56 53.8 
56 01.3 
56 01.07 
!or 
Culminat... 
359 34 6.8 
34 8.1 
34 15.6 
34 20.5 
Diff. S. P 
D. 
‘ 40 51.9 
57 52.8 
57 52.8 
57 50.25 
1827. 
Barom. 
Therm. 
Microscopes. 
Refr. 
Red. 
+ 
I. 
II. 
III. 
IV. 
inches. 
o 
o„ / // 
/ // 
June 24 
30.00 
46 
359 35 19.5 
35 23 
35 27 
35 32.2 
1 29.66 
14.22 
25 
30.07 
60.5 
„ 35 23 
„ 20.0 
» 34.4 
„ 37.2 
„ 27.27 
14.25 
27 
30.02 
50 
„ 35 21 
„ 24.5 
„ 28.6 
„ 35.3 
„ 29.0 
14.36 
June 25 
.3. ..Mean... 
359 35 21.2 
35 22.5 
35 30.0 
35 34.9 
1 28.64 
14.28 
Refract, and Reduct. 
-1 14.4 
1 14.4 
1 14.4 
1 14.4 
359 34 6.8 
34 8.1 
34 15.6 
34 20.5 
Mean of 4 Microscopes 0° 40' 51".94 by 7 Observ. 
It . 
ui 17 
18 
Barom. 
inches. 
30.13 
30.32 
<n 7 .5. ..Mean... 
ie ;t. and Reduct. 
u] ior Culminat. 
of nr Culminat... 
Ia Diff. S. P. D. 
Microscopes. 
I. 
0 56 3 
0 56 5.5 
0 56 4.2 
-1 59.0 
0 54 05.2 
359 32 26.6 
0 40 49.3 
56 5 
56 7 
56 6.0 
1 59.1 
54 06.9 
32 29.0 
40 48.9 
ill. 
56 12 
56 10.7 
56 11.3 
1 59.0 
54 12.3 
32 29.9 
40 51.2 
IV. 
56 11.2 
56 8.2 
56 9.7 
1 59.1 
54 10.6 
32 31.5 
40 49.6 
Refr. 
/ // 
1 27.3 
1 27.5 
1 27.4 
31.65 
31.65 
Red. 
31.65 
Mean S. P. 
June 19 
1828. 
Barom. 
inches. 
30.34 
49.5 
Refract, and Reduct. 
Microscopes. 
Refr. 
i. 
II. 
ill. 
IV. 
359 33 25 
-58.4 
/ a 
33 27.5 
58.5 
33 28.3 
58.4 
/ // 
33 30 
58.5 
1 30.1 
359 32 26.6 
32 29.0 
32 29.9 
32 31.5 
Red. 
+ 
31.65 
Mean of 4 Microscopes 0° 40 7 49".75 by 3 Observ. 
D. of 0 Octantis, Jan. 1, 1828 0° 40' 50". 11 by 19 Observ. 
MDCCCXXIX. 
M 
