AT THE OBSERVATORY AT PARAMATTA 
137 
1 a Crucis. (Ann. Var. — 19".987.) 
Superior Culmination. 
Inferior Culmination. 
1822. 
Barom. 
g 
Microscopes. 
1822. 
Barom. 
§ 
Microscopes. 
J: 
H 
i. 
II. 
III. 
IV. 
& 
I. 
ii. 
ill. 
IV. 
June 5 
inches. 
29.95 
5°I 
o / // 
27 53 3 
52 50 
7 77 
53 13.7 
7 77 
53 20 
June 17 
inches. 
29.93 
o 
44 
332 15 29.9 
15 16.3 
7 77 
15 47.3 
15 29.0 
15 
30.12 
47 
27 53 7 
52 52 
53 26.0 
53 4 
Refract, and Reduct. 
-7 4.3 
7 4.3 
7 4.3 
7 4.3 
June 10 
... Mean ... 
27 53 5.0 
52 51.0 
53 19.8 
53 12.0 
332 8 25.6 
8 12.0 
8 43.0 
8 24.7 
Refract, and Reduct. 
-1 59.4 
1 59.4 
1 59.4 
1 59.4 
Superior Culminat. 
27 51 5.6 
50 51.6 
51 20.4 
51 12.6 
Inferior Culminat... 
332 8 25.6 
8 12.0 
8 43.0 
8 24.7 
Half Diff. S. P. D. 
27 51 20.0 
51 19.8 
51 18.7 
51 23.9 
Mean of 4 Microscopes 
27° 5P 20".6 by 3 Observ. 
1822. 
Barom. 
g 
Microscopes. 
1822. 
Barom. 
i 
Microscopes. 
e 
i. 
II. 
III. 
IV. 
H 
i. 
II. 
III. 
IV. 
Nov. 3 
inches. 
30.50 
6 P 8 
o / // 
65 49 11.2 
7 77 
49 51.2 
7 77 
49 35 
7 77 
49 21.7 
Nov. 3 
inches. 
29.72 
6°8.7 
0/7/ 
10 10 37.3 
7 7/ 
11 09.9 
7 77 
10 53.3 
7 77 
10 35.9 
6 
29.62 
75 
„ „ 8.0 
49 58.7 
„ 33.7 
„ 21.5 
4 
30.14 
52.0 
„ ,, 54.3 
» 42.3 
11 17.0 
» 57.7 
7 
29.78 
65.5 
„ „ 5.6 
49 53.0 
„ 31.0 
» 17.0 
10 
30.07 
53.5 
» » 51.7 
„ 38.5 
11 10.2 
„ 46.7 
24 
30.12 
72 
„ „ 7.5 
50 1.3 
„ 38.4 
» 28.5 
11 
29.91 
64.7 
n i 9 40.3 
„ 16.3 
11 1.0 
„ 37.5 
28 
30.08 
78 
11 5) 5.0 
50 5.7 
„ 31.8 
„ 21.0 
12 
30.14 
57.0 
ii ii 53.0 
„ 26.0 
11 2.0 
» 54.5 
29 
30.01 
78 
84 
„ „ 4.0 
50 36.4 
„ 30.4 
„ 21.0 
13 
30.00 
30.06 
64.6 
63.8 
„ „ 39.3 
10 57.0 
11 0.5 
„ 44.5 
Dec. 12 
29.57 
» » ii.o 
50 47.6 
» 45 
* 33.7 
19 
» » 38.6 
„ 28.3 
„ 39.3 
13 
29.52 
78,2 
n ,, 9.3 
50 45.8 
» 40.7 
„ 30.1 
27 
30.19 
64.5 
» » 32.3 
» 12.0 
10 54.5 
» 44.8 
14 
29.60 
74.5 
„ „ 12.2 
» 40.8 
„ 28.5 
28 
30.09 
67.8 
„ „ 27.7 
» 10.0 
10 55.3 
» 44.3 
,, ,, 6.2 
16 
29.68 
64 
„ 26.0 
Nov. 14 
... Mean ... 
10 10 41.6 
11 22.9 
11 1.2 
10 45.04 
Nov. 27 
... Mean ... 
65 49 8.0 
50 14.9 
49 36.6 
49 24.9 
Refract, and Reduct. 
-6 18.3 
6 18.4 
6 18.3 
6 18.4 
Refract, and Reduct. 
-2 22.2 
2 22.3 
2 22.2 
2 22.3 
10 4 23.3 
5 4.5 
4 42.9 
4 26.6 
65 46 45.8 
47 52.6 
47 14.4 
47 2.6 
Superior Culminat. 
Inferior Culminat... 
10 4 23.3 
5 4.5 
4 42.9 
4 26.6 
Half Diff. S. P 
D. 
27 51 11.2 
51 24.0 
51 15.7 
51 18.0 
Mean of 4 Microscopes 27° 5P 17".2 by 19 Observ. 
1827. 
Barom. 
Therm. 
Microscopes. 
1827. 
Barom. 
Therm. 
Microscopes. 
i. 
II. 
III. 
IV. 
i. 
II. 
III. 
IV. 
inches. 
O 7 77 
7 77 
7 77 
inches. 
o 
O 7 77 
7 77 
7 77 
Nov. 18 
29.68 
7°0 
28 6 46.1 
6 45.0 
6 56.7 
6 57.0 
Nov. 18 
29.61 
62.5 
332 31 6.8 
31 12.3 
31 16.6 
31 5.5 
19 
29.63 
62.5 
„ » 51.7 
„ 53.3 
7 6.3 
7 0.0 
26 
29.95 
64.3 
„ » 18.7 
» 21.4 
„ 28.0 
„ 14.0 
25 
30.05 
71.4 
„ „ 49.5 
„ 47.7 
7 59 
7 55.3 
Dec. 6 
30.01 
67.0 
ii ii 8*0 
„ 7.0 
„ 11.9 
» 3.8 
30 
29.97 
71.0 
„ „ 5 1.2 
„ 47.0 
7 58 
7 54 
Nov. 27 
... Mean ... 
332 31 11.2 
31 13.6 
31 18.8 
31 7.8 
Dec. 1 
29.86 
67.5 
»> » 46 
» 42.1 
7 55.5 
7 48.7 
Refract, and Reduct. 
-7 41.0 
7 41.0 
7 41.0 
7 40.9 
3 
29 95 
62.2 
„ „ 47.5 
„ 43.0 
7 55.8 
7 50 7 
6 
30.04 
72.5 
» >j 42.5 
» 43 
7 52.3 
7 48.0 
332 23 30.2 
23 32.6 
23 37.8 
23 26 . 9 
7 
30.00 
74.4 
„ „ 45.0 
44 
7 50.0 
7 49.5 
Nov. 28 
... Mean ... 
28 6 47.4 
6 45.6 
6 56.7 
6 52.9 
Refract, and Reduct. 
-46.3 
46.3 
46.3 
46.3 
Superior Culminat. 
28 6 1.1 
5 59.3 
6 10.4 
6 6.6 
Inferior Culminat... 
332 23 30.2 
23 32.6 
23 37.8 
23 26.9 
Mean Inside Temperature 70°.3. 
Half Diff. S. P. D. 
27 51 15.4 
51 13.4 
51 16.3 
51 19.8 
Mean of 4 Microscopes 27° 5P 16".24 by 11 Observ. 
Mean S. P. D. of 1 a Crucis, Jan. 1, 1828 2 7° 51' \7".\ by 33 Observ. 
MDCCCXXIX 
T 
