APPENDIX L.—ASTRONOMICAL OBSERVATIONS. 
155 
ASTRONOMICAL OBSERVATIONS—Continued. 
Time. 
Angular distances. 
Deduced longitude. 
h. m. s. 
d. m. s. 
h. m. s. 
7 26 10 
98 IS 35 
7 27 57 
98 19 35 
7 29 45 
98 20 15 
7 31 21 
98 20 55 
6 30 18.5 
DETERMINATION OF LATITUDE. 
Approximate latitude to be used iu first computation of time, 
33° 45'. 
Determination of time, May 10,1854 .—Double altitudes of Pollux, 
in the west. 
Time. 
Altitudes. 
Chronometer slow of 
h. m. 
6 38 
6 39 
6 40 
6 41 
6 42 
6 43 
6 43 
6 44 
6 45 
6 46 
24 
33 
d. 
94 
94 
18 
13 
05 
57 
55 
40 
33 
93 
93 
92 
92 
92 
91 
91 
mean time. 
m. s. h. 
44 25 1 
17 05 1 
56 55 1 
34 15 1 
10 05 1 
48 35 1 
27 45 1 
03 05 1 
44 15 1 
22 55 1 
3 15.3 
3 12.3 
3 12.4 
3 16.5 
3 14.5 
3 13.4 
3 12.5 
3 13.8 
3 12.8 
3 11.8 
Double altitudes of Arcturus, in the east. 
Time. 
Altitudes. 
Chronometer slow of 
h. m. 
6 48 
6 49 
6 50 
6 51 
6 51 
6 52 
6 53 
6 54 
6 55 
6 56 
23 
22 
27 
13 
57 
53 
47 
34 
17 
13 
d. 
94 
94 
95 
95 
96 
96 
96 
97 
97 
97 
32 
57 
25 
43 
01 
24 
47 
06 
24 
47 
45 
05 
55 
05 
05 
35 
35 
05 
25 
05 
Thermometer 56° Fahrenheit. 
mean time. 
h. m. s. 
1 3 14.3 
1 3 13.8 
1 3 16.4 
1 3 14.6 
1 3 13.8 
1 3 14.6 
1 3 16.7 
1 3 14.4 
1 3 15.6 
1 3 14.6 
Double altitudes of Polaris, in the 
8 15 27 
8 17 00 
8 18 41 
8 20 31 
8 23 47 
8 26 38 
8 28 25 
Deduced latitude. 
d. m. s. 
64 28 55 
64 29 45 
64 30 45 , 
64 31 25 
64 29 15 
64 29 55 
64 30 25 
Thermometer 56° Fahrenheit. 
Observations for the variation of the compass, May 10, 1854.— 
Double altitude of Polaris in the east. 
Time. 
Altitude. 
Magnetic bearing. 
h. m. s. 
d. m. s. 
d. m. s. 
8 23 47 
64 29 15 
N. 10 50 00 W. 
Variation of compass, E. 10° 36' 00". 
CAMP FOUR MILES EAST OF THE LOWER CROSS TIMBERS. 
DETERMINATION OF LATITUDE. 
Determination of time, May 13, 1854 .—Double altitudes of Pol¬ 
lux, in the west. 
Time. 
Altitudes. 
h. m. s. 
6 48 02 
6 48 59 
6 50 12 
6 51 00 
6 51 47 
6 52 42 
6 53 42 
6 56 40 
6 57 30 
6 58 25 
d. m. s. 
84 26 25 dbtfl. 
84 07 15 
83 48 05 
83 18 15 
82 58 15 
82 35 45 
82 12 25 
80 58 55 
80 37 15 
80 16 15 
Determination of latitude, May 10, 1854 .—Double altitudes of 
* Regulus, in the west. 
Time. 
Altitudes. 
Deduced latitude. 
h. m. 
8 00 
8 02 
8 03 
8 04 
8 04 
8 05 
8 06 
8 07 
8 08 
8 09 
51 
02 
08 
03 
d. 
104 
104 
103 
103 
35 
33 
18 
102 
102 
102 
101 
101 
37 
12 
47 
25 
09 
51 
29 
08 
44 
26 
25 
15 
15 
25 
05 
15 
25 
25 
25 
33 41 40 
Double altitudes of Arcturus, in the east. 
Time. 
h. m. 
6 38 
6 39 
6 40 
6 41 
6 42 
6 42 
6 43 
6 44 
6 44 
6 45 
Altitudes. 
57 
51 
36 
21 
04 
46 
24 
06 
43 
23 
d. m. s. 
96 55 25 
97 16 35 
97 35 05 
97 51 55 
98 12 55 
98 29 15 
98 44- 25 
99 01 15 
99 16 25 
99 34 05 
Thermometer 58° Fahrenheit. 
