APPENDIX L.—ASTRONOMICAL OBSERVATIONS. 145 
ASTRONOMICAL OBSERVATIONS Continued. 
AT CAMP ON TRIBUTARY OF THE BRAZOS, TEN MILES Determination of latitude—Continued. 
WEST OF THE CLEAR FORK 
Time Altitudes, Deduced latitudes. 
DEDUCTION OF LATITUDE. 
7 
Approximate latitude to be used in the first computation of d 
: time, 32° 51’, n m s X 8 
7 -93 59 63 47 00 
7 o5 56 63 
Determination of time, 2 20 2 .—.Double altitudes of Si- 7 98 95 63 44 40 
7230 98 63 43" 30 
7 04 48 63 41 40 32 53 54.28 
Time. Altitudes. Chronometer slow of 7 96 90 . 63 40 10 
mean time. 7 39 00 63 38 
72.41 x 63 37 40 
7.43 99 3 36 40 
À. m s. hom s 7 45 94 63 35 30 
1 : et b i pe rd 7 47 20 63 34 40 39 53 41.73 
6 26 50 59 09 00 7 49 05 63 34 00 
6 27 3 58 4 7 60. 52 63 33 00 
6 28 33 58 2.83 -00 0 42 44,66 7-52 93 63 32 00 
7.54. 96 63 31 00 
6 29 25 58 18 10 7 56 20 63 30 20 32 53 37.87 
6 30 18 58 
6 31 04 57 51 20 
6 31 55 57 “87 290 Thermometer 69° Fahrenheit. 
6 99 B5 57 20 90 0 49 43.74 
Double altitudes of Arcturus, in the east. Determination of — April 20, 1854. —Doubie altitudes of 
ica Virginis, in the eas 
Time. ' Altitudes. pedi slow of 
mean time. Time Altitudes. Deduced latitudes. 
ASI Kk d. Ko ws 
7 58 15 82 96 10 E ac ic ey Mend 
e 37 54 75 46 30 
7 59 13 82 49 00 
8-38-— 608 2 
8 00 16 83 15 40 E 
8 39 45 76 91. 10 T 
8 01 15 83 38 8 40 32 6 233 930 
8 03 17 84.30 30 ; 77 04 00 
8 04 05 84 52 10 aci 77 16 50 
8 43 19 
8 04 58 85 14 40 4. 7 SD OU 
8 44 13 
8 06 11 85 43 10 8 46 09 77 58 40 
8 07 05 86 07 0.49 .37, 85 8 46 43 78 08 40 
8 47 97 78 90 40 32 54 48 
Thermometer 69° Fahrenheit. 8 48 15 78 31 50 
| 8 49 03 78 44 10 
Determination of latitude, April 20, ve EP at altitudes of 8 49 53 78 55 20 
Polaris, i ín the w 8 50.38 79 07 30 
8 51 39 79 22 20 
8 52 29 79 34 40 92 54 43 
i E ed latitudes. : 
Time. Altitudes. Deduc o Uso 79 46 30 
8 54 03 79 57 10 
‘ee Beet dom s I & Co a 
7 3i E. ~N 52 20 á A ] 
14056 | 63 5i m : 8 56 37 33 32 54 39 
TOÀ z tov E “ E 
7 19 6 10 d dos ‘Thermometer 69° Fahrenheit. 
7 22 01 63 48 10 32 53 46.38 E 1 
19e. 
