AT THE OBSERVATORY AT PARAMATTA. 
11 
Reduction. 
Direct. 
By Reflection. 
Date. 
Mean of Four 
Microscopes. 
Refr. 
Paral. 
Semidia- 
meter. 
Reduction to 
Solstice. 
Corr. for 
Sun’s la- 
titude . 
South Pol. Dis- 
tance per Mi- 
croscope. 
Date. 
Mean of Four 
Microscopes. 
Refr. 
Paral. 
Semidia- 
meter. 
Reduction 
to Solstice. 
Corr. for 
Sun’s 
Lat. 
South Pol. Dis- 
tance per Mi- 
croscope. 
Dec. 25 
o / // 
67 4 43.1 
7.93 
16 17*67 
CO 
»— 
tt) 
CK> 
// 
-0.36 
o / // 
66 47 3.22 
Jan. 1 
o / // 
225 26 56.4 
// 
8.75 
16 17.8 
21 23.26 
// 
-0.61 
226 i 28.1 
28 
„ 10 23.5 
8.6 
„ 17.85 
0 71 0.84 
+0.05 
„ 47 3.46 
2 
„ 54 54.8 
8.2 
16 17.8 
26 0.3 
-0.70 
,, „ 28.4 
10 
„ 22 48.9 
9.6 
„ 17.5 
1 19 50.85 
+0.30 
„ 46 50.45 
.4 
„ 11 22.3 
9.0 
16 17.75 
36 45.9 
-0.78 
„ „ 16.17 
Mean 
66 46 59.04: 
Mean 
226 4 24.22 
Half Difference = true Altitude = 79 38 42.59 of Tropic. 
Apparent Obliquity 23 27 34.7 
Latitude 33 48 52.1 
2. Southern Solstice, December 1828, observed alternately direct and by Re- 
flection, with the Mural Circle. 
1828. 
Direct. 
Refract. 
Parallel 
applied. 
By Reflection. 
South Polar Distance of Tropic from the Zero of the 
Circle per Microscope. 
1 
South Polar Distance of Tropic from the 
Zero of the Circle per Microscope. 
I. 
II. 
III. 
IV. 
I. 
II. 
III. 
IV. 
Dec. 13 
14 
15 
16 
17 
18 
19 
20 
21 
66 46 44.7 
„ „ 31.2 
„ „ 40.03 
46 59-7 
„ 53.0 
„ 49.33 
46 53.7 
„ 41.5 
„ 41.03 
46 56.5 
„ 45.2 
„ 52.03 
// 
8.8 
8.2 
7-6 
7-5 
8.1 
8.1 
7-4 
7-8 
O / // 
226 4 9-4 
„ „ 4.72 
» „ 8.3 
„ „ 8.6 
4 16.6 
4 14.3 
» 11-8 
„ 9-3 
4 24.1 
„ 16.9 
„ 19-0 
„ 14.8 
/ n 
4 15.1 
„ 7-8 
» 13.6 
» 12.0 
„ „ 42.2 
„ 47.4 
„ 37.2 
„ 40.4 
„ „ 38.7 
„ 48.6 
„ 43.2 
„ 45.6 
Mean . . 
66 46 39.31 
226 4 8.4 
46 51.6 
4 13.0 
46 43.3 
4 18.7 
46 47.94 
4 12.1 
226 4 8.4 
Alt. 79° 38' 
— 23 27 
.. 33 48 
4 13.0 
43".75 
33.1 
49.35 
4 18.7 
4 12.1 
\ Differ. 
79 33 44.55 38 40.7 
Half Difference by Me 
Apparent Obliquity . 
38 47.7 
an of 4 M 
38 42.08 
1 
croscopes = true 
Latitude . . . 
Remarks . — The same Reductions to Solstice and Corr. for Sun’s Latitude as 
above, have been applied to the following, but no Correction for Polar point. 
