154 
APPENDIX L.—ASTRONOMICAL OBSERVATIONS. 
ASTRONOMICAL OBSERVATIONS—Continued. 
Double altitude of Spica Virginis, in the east. 
Magnetic bearing. 
74 59 30 S. 49 00 00 E. 
Variation of compass, E. 10° 19' 12". Thermometer 66° Fah. 
ON ELM FORK OF TRINITY RIVER. 
DETERMINATION OF LONGITUDE BY LUNAR DISTANCES. 
94 44 25 
94 17 05 
93 56 55 
93 34 15 
93 10 05 
92 48 25 
92 27 45 
92 03 05 
91 44 15 
91 22 55 
3 15.4 
3 12.3 
3 12.4 
3 16.5 
3 14.5 
3 13.5 
3 12.0 
3 13.8 
3 13.0 
Double altitudes of Arcturus , in the east. 
Time. 
Angular distances. 
Deduced longitude. 
h. m. s. 
d, m. s. 
h. m. s. 
7 00 31 
98 06 15 
7 03 19 
98 07 35 
7 05 18 
98 08 35 
7 07 03 
98 09 25 
6 29 07 
Double altitude of the Moon's upper limb , in the east. 
Time. 
Angular distances. 
Deduced longitude. 
h. m. s. 
d. m. s. 
h. m . s . 
7 13 17 
98 11 45 
7 15 00 
98 12 55 
7 16 55 
98 14 05 
7 18 59 
98 15 05 
6 29 08 
Double altitude of Pollux, in the west. 
48 23 
49 22 
50 27 
51 13 
51 57 
52 53 
53 47 
54 34 
d. m. s. 
94 32 45 
94 57 05 
95 25 55 
95 43 05 
96 01 05 
96 24 35 
96 47 35 
97 06 05 
97 24 25 
97 47 05 
3 14.3 
3 13.8 
3 16.4 
3 14.6 
3 13.8 
3 14.6 
3 16.4 
3 14.4 
3 15.6 
3 14.6 
7 22 07 
76 46 55 
Double altitude of the Moon's upper limb , in the east. 
Thermometer 56° Fahrenheit. 
73 27 35 
