AT THE OBSERVATORY AT PARAMATTA. 
5 
Aldebaran. 
1822. 
Barom. 
Therm. 
Simple Arc 
Cor. for Level. 
Refrac- 
tion. 
Reduction 
to Meridian. 
True Mend. 
Zenith Dist. 
True Declina- 
tion. 
Latitude. 
Jan. 17 
inches. 
30.10 
O 
70 
50 30 18.1 
/ // 
+ 1 7-9 
-34 0.6 
O / // 
49 57 25.4 
9, ' 'L 
16 8 46.1 
33 48 39.3 
Rigel. 
1822. 
Jan. 20 
29.90 
75 
25 25 23.9 
+ 26.16 
— 1 53.28 
25 23 56.78 
8 24 46.6 
33 48 43.4 
a Orionis. 
1822. 
Feb. 1 
30.17 
70 
41 39 16.9 
„ 11 37.1 
+ 49.9 
49.1 
-29 18 
1 40.1 
41 10 48.8 
„ 10 46.1 
7 22 1.2 
33 48 47.6 
„ 48 44.9 
Procyon. 
1822. 
Feb. 3 
30.135 
73 
40 15 16.9 
39 30 43.9 
+ 47.1 
45.83 
— 46 56.65 39 29 6.25 
2 13.33 | „ 29 16.4 
5 40 28.7 
33 48 37.5 
„ 48 47.7 
The following observations of the sun were made during the Northern Solstice 
1822, by Sir Thomas Brisbane, with a reflecting circle of Troughton, ex- 
cepting the last, which was made by him with a reflecting circle of Jecker 
of Paris. 
1822. 
True Zenith 
Distance of Sun’s 
Centre. 
Correction 
for Sun’s 
Latitude. 
Reduction to 
Solstice. 
Apparent Zenith 
Distance of 
Tropic. 
June 20 
O / // 
57 15 47.10 
— 0.22 
+ 6 48.43 
o / // 
57 16 35.3 
21 
„ 16 21.22 
0.12 
0 11.77 
» 32.9 
23 
„ 16 24.8 
+ 0.17 
0 13.07 
» 55 38.0 
23 
„ 16 31.35 
0.17 
0 13.07 
55 5 5 4 4.6 
Mean 
Apparent obliquity 
Latitude (with the weight 4) . . 
57 16 37.7 
23 27 53.0 
33 48 44.7 
Combining this latitude by the sun with the preceding observations of stars 
north of the zenith, we have on a mean the latitude 33° 48' 45".3. 
