AT THE OBSERVATORY AT PARAMATTA 
113 
a Argus. (Ann. Var. — 17".735.) 
Superior Culmination. 
Inferior Culmination. 
1827. 
Barom. 
g 
a 
§ 
Microscopes. 
1827. 
g 
<U 
J3 
H 
Microscopes. 
i. 
II. 
III. 
IV. 
I. 
II. 
III. 
IV. 
June 1 
13 
14 
inches. 
30.30 
30.02 
29.79 
58.5 
58 
57 
o / // 
21 4 11.5 
» ,, 12.o 
„ „ 14.5 
/ ✓/ 
4 22 
„ 18 
„ 19.5 
/ ✓/ 
4 24 
„ 25.8 
» 27.0 
/ ✓/ 
4 25.6 
» 29.3 
„ 30.0 
June 13 
Refract. 
inches. 
29.86 
and Re 
39 
duct. 
O III 
339 30 28 
-4 26.4 
30 32.2 
4 26.4 
30 46.0 
4 26.4 
/ // 
30 46.5 
4 26.3 
339 26 1.6 
26 5.8 
26 19.6 
26 20.2 
21 4 12.8 
-25.0 
4 19.8 
25.0 
4 25.8 
25.0 
4 28.3 
25.0 
June y ... mean ... 
Refract, and Reduct. 
Superior Culminat. 
Inferior Culminat... 
Half Diff. S. P. D. 
Mean of 4 Microscopes 20° 48' 52".45 by 4 Observ. 
21 3 47.8 
339 26 1.6 
3 54.8 
26 5.8 
4 0.8 
26 19.6 
4 3.3 
26 20.2 
20 48 53.1 
48 54.5 
48 50.6 
48 51.6 
Mean S. P. D. of u Argus, Jan. 1, 1828 20° 48' 52".45 by 4 Observ. 
(3 Argus. (Ann. Var. — 14".834.) 
Superior Culmination. 
Inferior Culmination. 
1822. 
Barom 
s' 
o 
H 
I. 
Microsc 
ii. 
opes. 
hi. 
IV. 
1822. 
Barom. 
i 
o 
H 
I. 
Microscopes. 
ii. | hi. 
IV. 
May 1 
J 
c 
inches 
30.12 
29.97 
29.86 
o 
56 
64.3 
60.5 
2°1 6 55.3 
» 1 1.9 
„ 0 55 
/ H 
1 56 
„ 53 
» 8 
/ // 
0 54.5 
„ 59.2 
„ 56 
6 48.7 
„ 45.6 
„ 48 
May 
10 
inches. 
30.09 
29.89 
30.05 
o 
49 
53 
41 
O 1 II 
339 3 23 
„ „ 13.5 
99 99 33.7 
4 25.3 
3 36 
3 46 
1 / II 
; 3 30.9 
„ 27.7 
„ 29.0 
3 24.2 
„ 15.0 
„ 25.0 
May C 
Refract 
... Mean .. 
.and Reduct 
21 0 57.4 
— 1 45.6 
0 56.6 
1 45.6 
0 47.4 
1 45.6 
May 
Retract 
... Mean ... 
and Reduct. 
339 3 23.4 
-3 8.6 
3 29.2 
^ 3 8.6 
3 21.4 
3 8.6 
Superior Culminat. 
Inferior Culminat... 
Half Diff. S. P. D. 
20 59 12.8 
339 0 14.8 
59 11.0 
0 20.6 
59 1.8 
0 13.8 
339 0 14.8 
0 20.6 
0 13.8 
Mean of 4 Microscopes 20° 59' 26"12 by 6 Observ. 
20 59 29.0 
59 26.3 
59 25.2 
59 24.0 
1822. 
Barom. 
s 
c-i 
Microscopes. 
1822. 
Barom. 
i 
O 
& 
Microscopes. 
I. 
II. 
III. 
IV. 
i. 
II. 
ill. 
IV. 
May 21 
22 
23 
26 
27 
28 
30 
June 1 
2 
6 
8 
10 
29 
inches. 
29.96 
29.96 
29.77 
29.62 
29.87 
30.00 
29.78 
29.58 
29.85 
29.95 
30.10 
29.80 
29.99 
o 
59 
62 
66 
61 
62 
55 
62 
62 
57.5 
57 
56.2 
57.5 
59.0 
0 in 
21 0 56 
„ 0 58 
„ 0 52.3 
„ 0 52.0 
„ 0 59.0 
„ 0 56.0 
». 1 2.0 
„ 0 56.0 
„ 0 59.0 
„ 1 1.7 
„ 1 2.8 
>, 1 1.3 
» 1 16.7 
/ // 
0 25 
„ 19.2 
„ 22.8 
„ 34.0 
„ 32.7 
„ 26.0 
„ 25.0 
„ 44.2 
„ 44 
„ 47.2 
„ 50.5 
„ 58.8 
/ // 
1 4.5 
„ 2.7 
„ 8.7 
„ 6.8 
» 8.7 
„ 12.0 
„ 13.0 
„ 6.5 
„ 11.8 
„ 13.0 
„ 15.2 
„ 14.8 
„ 29.5 
/ // 
0 56.7 
1 5.0 
1 1.0 
1 3.0 
1 3.0 
1 1.0 
1 10.2 
0 59.2 
0 9.7 
0 3.7 
0 7.0 
0 2.0 
0 18.5 
May 21 
30 
June 3 
inches. 
29.95 
29.63 
29.71 
48.3 
50.3 
48 
o / // 
339 3 26.3 
„ „ 14.6 
„ „ 26 
/ II 
3 2.6 
2 45.0 
3 19.5 
3 45 
» 36 
„ 36.5 
/ II 
3 20.3 
„ 22.0 
„ 38.0 
May 28 
Refract. 
... Mean ... 
and Reduct. 
339 3 22.3 
-3 2.7 
3 2.4 
3 2.7 
3 39.3 
3 2.7 
3 26.8 
3 2.7 
| 33 9 0 19.6 
59 59.7 
0 36.6 
0 24.1 
Mean of 4 Microscopes 40° 59' 25".96 by 16 Observ. 
June 2|... Mean ... 
Refract, and Rcduct. 
21 0 59.45 
-1 46.5 
0 38.4 
1 46.5 
1 11.3 
1 46.5 
1 4.6 
1 46.5 
Superior Culmir 
Inferior Culmin 
Half Diff. S. P. 
at. 
at... 
20 59 12.9 
339 0 19.6 
58 51.9 
59 59.7 
59 24.8 
0 36.6 
59 18.1 
0 24.1 
D. 
40 59 26.65 
59 26.1 
39 24.1 
59 27.0 
MDCCCXXIX 
& 
