Mr . Smeaton’s Obfervatlon of Mercury 
— ■ 
Table 1 . Obi'ervations ' of 
Mefeury at his elongation Sept. 
Equatorial Micrometer. 
1786, 
with an 
Day,objeft, and 
wires. 
>4 
P 
0 
te 
Tune as 
taken by 
the clock. 
Time re- 
duced to 
min. & fee. 
Reduced to 
the middle 
wire. 
Mean of 
the wires. 
Parts of 
the mi- 
crotn. 
Micro- 
meter 
reduc. 
Sept. 23. 
AM. 
M. q. 
tea. 
/ 
// 
/ // 
/ // 
Rev.Pts. 
Rev.Pts. 
Merc, to wire a 
5 
24 3 
5 
24 
47-5 
26 34.8 
A 
— 
25 3 
*4 2 
25 
52.3 
26 34.8 
Middle wire B 
— 
20 2 
9 J 
26 
34-7 
26 34.7 
26 34 7 
528.85 
S O.74 
( N. B. The telefcope’s Center 
C 
— 
27 I 
6 
27 
18 
26 34.7 
< was pointed to horary circle 
D 
28 I 
r 5 
28 
22.5 
26 34.6 
l VI. 34'f Deci. N. 7 0 
48 • 
PM. 
* Ceti to B 
9 
15 I 
27 
15 
28.5 
15 28.5 
15 28.4 
C 
16 .0 
23 
16 
"•5 
15 28.3 
0 Tauri to B 
— 
4O I 
25 
40 
27-5 
40 27-5 
40 27.4 
B 8.39 
N19.72 
C 
— 
41 O 
21 
41 
10.5 
40 27.3 
orpE. 20, 
* Ceti to a 
9 
2 2 
*3 
2 
3 6 -5 
4 23.5 
A 
— 
3 2 
23 
i 3 4 r -5 
4 23.9 
4 23.8 
B 16.97 
Nil. 14 
C 
— 
5 0 
i 4 i 
5 
7-3 
4 24.1 
a Tatiri to A 
— 
28 2 
21 
28 
40.5 
29 22.9 
B 
— ■ ■ 
29 1 
16 
29 
23 
29 23 
29 23 
5 8.47 
N19.64 
otpu 
Jv Ceti to a 
8 
47 0 
3i 
47 
1.8 
48 48.8 
A 
— 
48 0 
13 
48 
6 -5 
48 48.9 
B 
— 
48 3 
8 
48 
49 
48 49 
48 49 
516.97 
Ni 1. 14 
C 
— 
49 2 
4 i 
49 
32-3 
48 49.1 
0 Tauri to A 
9 
1 3 0 
1 1 
5-5 
*3 47-9 
B 
— 
13 3 
6 
J 3 
48 
13 48 
13 48.1 
5 8.48 
N19.63 
C 
— 
14 2 
3 
14 
3‘-5 
13 48.3 
« Orionis to a 
1 1 
4 i 3 
12 
41 
5 l 
43 38 
A 
— 
42 3 
20| 
42 
55-3 
43 37-7 
B 
* 
43 2 
17 
43 
38-5 
43 38.5 
43 37-9 
^15.07 
s 25-77 
C 
— 
44 1 
12 
44 
21 
43 37-8 
D 
— 
45 * 
20| 
45 
25*3 
43 37-7 
Oft 1 1 
_U. -< 
\ Ceti to A 
7 
58 3 
O 
58 45 
59 27.4 
B 
59 1 
2 5 l 
59 27.7 
59 27.7 
59 27.5 
5 16.97 
Ni 1.14 
C 
8 
0 0 
2l| 
0 
10.7 
59 27.5 
0 Tauri to C 
— 
25 0 
20 
25 
10 
24 26.8 
24 26.8 
5 8.50 
N19.61 
« Orionis to a 
10 
52 2 
52 
3 °. 2 
54 17-2 
A 
— 
53 2 
9 
53 
34.5 
54 *6.9 
B 
— 
54 1 
4 i 
54 , 
17.2 
54 17-2 
54 J 7 -i 
^5.07 
s 15-77 
C 
— 
55 0 
55 
0.2 
54 17 
D 
— 
56 0 
10 
56 
5 
54 17-4 
1 
2 
l 
4 
5 
6 
7 
8 
