ixxxiv 
APPENDIX 
OBSERVATIONS made in the Winter of 1819, 1820, to ascertain the Error of the 
Chronometer No. 259, on Mean Time whence the Apparent Time ; was obtained by 
which the Longitude of Winter Harbour was deduced from the Lunar Observations in 
Appendix II. Latitude 74° 47' 18" N. 
I 1819 
Time by 259 
Obser- 
ver 
Observed Altitudes 
Baro- 
meter 
Ther- 
mometer 
Mean Time 
259 Fast of 
Mean Time 
Phenomena and Remarks 
i 
Oct. 5 
H 
10 
INI 
17 
S 
34.3 
s 
o 
5 
/ 
11 
// 
57 
o 
29.5 
O 
+ 2 
H 
3 
M 
05 
S 
10 
If 
7 
M 
12 
s 
24.3 
Sun’s L. L. 
12 
9 
35 
24.5 
13 
4 
25 
47 
29.5 
—5 
2 
23 
25.4 
7 
ii 
59.1 
Ditto 
27 
16 
37 
3S 
S 
46 
45 
09.3 
29.95 
— 20 
9 
26 
28.65 
7 
ii 
09.35 
Capella east of Mern. 
16 
48 
46.9 
B 
47 
2S 
4S 
29.95 
— 20 
9 
33 
33.3 
7 
ii 
13.6 
Ditto 
9 > 
17 
02 
17.3 
S 
3S 
OS 
56 
29.95 
— 20 
9 
51 
06.43 
7 
n 
10.87 
a Lyras west of Mer a . 
03 
<D 
99 
17 
14 
45.3 
B 
37 
20 
31.4 
29.95 
—20 
10 
03 
34.35 
7 
ii 
12.32 
Ditto 
30 
11 
43 
25.4 
S 
23 
26 
19 
29.75 
— 25 
4 
32 
23.5 
7 
n 
01.9 
Arcturus west of Mer n . 
X 
CD 
99 
11 
52 
02.6 
13 
22 
52 
4S 
29.75 
—25 
4 
40 
59.5 
7 
ii 
03.1 
Ditto 
1 
Nov. 2S 
14, 
4S 
04.75 
S 
3S 
33 
32 
29.71 
— 35 
7 
39 
02. S 
7 
09 
01.95 
a Lyrae west of Mer n . 
i-i 
c3 
O 
29 
9 
40 
56.4 
s 
23 
36 
55.5 
29.71 
— 36 
2 
31 
47.5 
7 
09 
OS. 9 
Arcturus west ofMer 11 . 
,£5 
S 
30 
9 
44 
4S.9 
B 
23 
05 
35 
29.7 
— 35 
2 
35 
50.9 
7 
OS 
5S 
Ditto 
O 
Dec. 1 
9 
05 
13.3 
P 
25 
21 
16 
29.7 
— 36 
1 
56 
27.36 
7 
OS 
45.94 
Ditto 
27 
7 
57 
26.5 
S 
21 
11 
3S 
29.7 
— 25 
1 
IS 
43.4 
6 
38 
43 
Ditto 
29 
12 
32 
37. S 
B 
37 
2S 
20 
30.63 
—41 
5 
53 
52.27 
6 
38 
45.53 
a, Lyrae west of Menu 
99 
12 
34 
47. S 
B 
37 
19 
55 
30.63 
— 41 
5 
56 
02.27 
6 
38 
45.47 
Ditto j 
1S20 ) 
April 16) 
99 
2S 
18 
39.5 
P 
22 
45 
4S 
30.1 
— 9 
21 
43 
57.3 
6 
34 
42.2 
Sun’s centre N 
2S 
27 
33 
S 
23 
27 
03 
30.1 
— 9 
21 
52 
39.1 
6 
34 
53.9 
Ditto 
IS 
9 
12 
32 
S 
22 
34 
20 
30.31 
— 5 
2 
37 
47.4 
6 
34 
44.6 
Ditto 
99 
9 
IS 
53.5 
P 
22 
17 
21 
30.31 
— 5 
2 
44 
03.5 
6 
34 
50 
Ditto 
99 
9 
26 
07.6 
B 
21 
57 
10 
30.31 
— 5 
2 
51 
20.6 
6 
34 
47 
Ditto 
§ 
21 
11 
21 
26.9 
S 
16 
24 
18 
29. S 
—5 
4 
46 
3S 
6 
34 
48.9 
Ditto 
3 
c3 
>£ 
0) 
99 
11 
25 
39 7 
P 
15 
52 
20 
29. S 
— 5 
4 
50 
50.4 
6 
34 
49.3 
Ditto 
99 
11 
31 
14.6 
B 
15 
46 
17 
29.8 
— 5 
4 
56 
24.3 
6 
34 
50.3 
Ditto 
May 6 
11 
56 
39.5 
S 
IS 
25 
41.65 
29.25 
+ 7 
5 
22 
10.4 
6 
34 
29.1 
Ditto 
w 
D3 
O 
12 
11 
31 
52.4 
s 
21 
31 
36.25 
30.3 
+ 15.5 
4 
57 
29.3 
6 
34 
23.1 
Ditto 
<d 
16 
11 
47 
22.6 
s 
21 
25 
58.3 
30.31 
+ 15.5 
5 
16 
56.4 
6 
34 
20.9 
Ditto 
4-9 
<3 
17 
11 
11 
28. 7 
s 
24 
13 
24 
30.38 
+ 22 
4 
39 
OS 
6 
34 
21.7 
Ditto 
27 
12 
34 
39. S 
s 
20 
25 
42.1 
30.05 
+ 36 
6 
00 
10.4 
6 
34 
29.4 
Ditto (true altitude) 
June IS 
25 
56 
19.83 
s 
27 
50 
57 
30.1 
+ 36 
19 
21 
10.68 
6 
35 
05.15 
Ditto 
19 
11 
35 
39.4 
s 
26 
34 
51.5 
30.1 
+ 34 
5 
00 
33.9 
6 
35 
05.5 
Ditto J 
