22 
ASTRONOMICAL OBSERVATIONS. 
APPENDIX A—Continued. 
CAMP 58 A 
—OCTOBER 6, 1855. 
Observer —Lieut. H. L. Abbot, 
U. S. Top. Engineers. 
Object observed. 
Time of observ’n 
Observed double 
by chronometer. 
altitudes. 
h. 
m. 
s. 
cL 
111. 
s. 
0 Pegasi-------- 
8 
23 
55.5 
126 
26 
50 
& 
25 
35.5 
126 
59 
30 
8 
26 
52.5 
127 
22 
40 
8 
27 
58.0 
127 
44 
20 
8 
29 
14.0 
128 
08 
20 
8 
30 
45.5 
128 
37 
10 
a Cor. Borealis. 
8 
13 
36.0 
57 
25 
40 
8 
14 
48.0 
57 
15 
30 
8 
16 
50.0 
56 
21 
40 
8 
17 
46.5 
56 
01 
50 
8 
18 
36.5 
55 
46 
40 
8 
19 
49.0 
55 
22 
10 
Polaris. 
8 
34 
12.5 
91 
35 
40 
8 
36 
01.0 
91 
37 
40 
8 
37 
30.5 
91 
38 
20 
8 
41 
27.0 
91 
41 
00 
8 
42 
44.5 
91 
42 
10 
8 
43 
53.0 
91 
43 
10 
8 
45 
12.0 
91 
43 
4i 
8 
46 
16.0 
91 
44 
20 
8 
47 
16.5 
91 
44 
50 
8 
48 
27.0 
91 
45 
40 
Index error, -j- 0' 50". Barometer, 26.5 in. Thermome¬ 
ter, 39°. 
CAMP 59 A—OCTOBER 7, 1855. 
Observer —Lieut. H. L. Abbot, U. S. Top. Engineers. 
ft. 
m. 
s. 
d. 
m. 
s. 
v Pegasi. 
8 
51 
09.5 
135 
35 
30 
8 
52 
53.5 
136 
06 
30 
8 
54 
16.5 
137 
27 
50 
8 
56 
26.0 
137 
02 
40 
8 
57 
41.0 
137 
25 
50 
8 
59 
24.5 
137 
50 
00 
9 
61 
06.0 
138 
20 
10 
Polaris. 
8 
10 
17.5 
91 
28 
20 
8 
11 
43.5 
91 
29 
20 
8 
12 
45.0 
91 
30 
10 
8 
13 
55.0 
91 
31 
10 
8 
14 
50.0 
91 
32 
00 
8 
18 
51.0 
91 
34 
40 
8 
20 
01.0 
91 
35 
10 
8 
21 
17.0 
91 
36 
20 
8 
22 
09.0 
91 
37 
00 
Index error, -|- 0' 50". Barometer, 26.5 in. Thermome¬ 
ter, 390. 
CAMP 60 A—OCTOBER 8, 1855. 
Observer —Lieut. H. L. Abbot, U. S. Top. Engineers. 
h. 
m. 
s. 
d. 
m. 
s. 
Polaris... 
8 
06 
22.5 
91 
27 
40 
8 
07 
29.0 
91 
28 
10 
8 
08 
53.0 
91 
30 
10 
8 
09 
48.0 
91 
30 
30 
8 
10 
40.5 
91 
31 
00 
CAMP 60 A—OCTOBER 8, 
1855—Continued. 
Observer — Lieut. H. L 
. Abbot, 
U. S. Top. Engineers- 
Object observed. 
Time of observ’n 
Observed double 
by chronometer. 
altitudes. 
h. 
m. 
s . 
d. 
m. 
s. 
Polaris. 
8 
u 
31.0 
91 
31 
30 
8 
12 
28.0 
91 
32 
00 
8 
13 
15.0 
91 
32 
20 
8 
14 
12.0 
91 
33 
10 
8 
15 
30.0 
91 
34 
30 
Altair. 
7 
05 
12.5 
106 
31 
50 
7 
06 
51.5 
106 
35 
00 
7 
07 
41.5 
106 
35 
00 
7 
08 
30.5 
106 
35 
20 
7 
09 
20.5 
106 
35 
30 
7 
10 
08.5 
106 
36 
30 
7 
11 
50.5 
106 
36 
50 
7 
13 
34.0 
106 
37 
30 
7 
15 
56.5 
106 
38 
50 
7 
16 
40.5 
106 
38 
00 
7 
17 
33.5 
106 
38 
30 
7 
18 
49.5 
106 
37 
20 
«7 
1 
21 
03.5 
106 
36 
20 
7 
21 
51.5 
106 
35 
40 
7 
23 
01.5 
106 
32 
40 
7 
24 
50.5 
106 
31 
20 
Index error, -j- 0' 50". 
Barometer, 28.9 
in. Tbermome- 
ter, 430. 
CAMP 62 A- 
-OCTOBER 12, 
1855. 
Observer — Lieut. H. L. Abbot, 
17. S. Top. Engineers. 
ft. 
m. 
s. 
d. 
m. 
s. 
n Pegasi. 
8 
06 
31.0 
128 
00 
10 
8 
07 
36.5 
128 
20 
10 
8 
09 
10.0 
128 
49 
50 
8 
10 
09.0 
129 
07 
00 
8 
11 
23.5 
129 
29 
40 
8 
12 
45.0 
129 
54 
50 
Polaris. 
8 
16 
43.5 
91 
51 
20 
8 
18 
43.5 
91 
52 
40 
8 
20 
12.5 
91 
53 
40 
8 
21 
15.5 
91 
54 
50 
8 
23 
14.0 
91 
56 
20 
8 
25 
07.5 
91 
57 
20 
8 
26 
35.5 
91 
58 
40 
8 
27 
51.0 
91 
59 
40 
8 
29 
51.0 
92 
00 
30 
8 
31 
05.0 
92 
01 
10 
Index error, -}-l' 20". 
Barometer, 25.3 
in. Thermome- 
ter, 44°. 
CAMP 64 A 
-OCTOBER 14, 
1855. 
Observer —Lieut. H. L. Abbot, 
U. S. Top. Engineers. 
ft. 
in. 
s. 
d. 
m. 
S . 
t] Pegasi. 
7 
53 
05.5 
125 
48 
00 
7 
54 
44.0 
126 
19 
50 
7 
56 
06.5 
126 
46 
10 
7 
57 
23.0 
127 
10 
20 
7 
58 
55.0 
127 
27 
30 
8 
00 
19.0 
128 
02 
10 
