112 
APPENDIX L.-—ASTRONOMICAL OBSERVATIONS. 
APPENDIX L. 
ASTRONOMICAL OBSERVATIONS. 
AT DONA ANA, NEW MEXICO, FOR RATING THE CHRO¬ 
NOMETER. 
Determination of time, January 28,1851. —Equal altitudes of the 
Sun’s upper limb. 
10 18 04 
10 20 37 
10 21 35 
10 23 49 
10 24 21 
10 26 47 
10 27 17 
07 45 
05 44 
04 30 
03 05 
01 32 
00 00 
Determination of time, February 1, 1854. —Equal altitudes of the 
Sun’s upper limb. 
10 30 30 
10 31 55 
10 32 08 
10 34 28 
10 35 49 
10 37 12 
10 38 24 
69 56 10 
70 14 20 
70 38 40 
70 46 10 
71 02 30 
71 19 10 
71 34 20 
Time, p. m. 
1 56 48 
1 53 38 
Lost. 
Lost. 
Lost. 
Lost. 
Lost. 
Determination of time, February 2,1854. —Equal altitudes of the 
Sun's upper limb. 
Determination of time, January 29, 1854. —Equal altitudes of the 
Sun’s upper limb. 
Time, a. m. 
10 15 44 
10 17 04 
10 18 32 
10 20 06 
10 21 40 
10 23 46 
10 25 23 
d. m. s. 
65 14 40 
65 33 50 
65 54 40 
66 16 50 
66 37 10 
67 05 00 
67 27 10 
Time, p. m. 
12 02 
10 33 
09 13 
07 33 
06 00 
04 00 
02 18 
jDetermination of time, January 30,1854. —Equal altitudes of the 
Sun’s upper limb. 
h. m. s. 
10 26 15 
10 27 51 
10 30 07 
10 32 03 
10 33 59 
10 35 45 
10 37 32 
68 07 10 
68 27 30 
68 56 40 
69 21 40 
69 46 00 
70 06 40 
70 29 20 
Time, p. i 
l 01 47 
l 00 12 
Lost. 
Lost. 
Lost. 
Lost. 
Lost. 
Determination of time, January 31,1854.— Equal altitudes of the 
Sun’s upper limb. 
10 21 18 
10 22 46 
10 24 14 
10 26 01 
10 27 32 
10 29 22 
10 31 18 
d. m. s. 
67 17 40 
67 39 00 
67 58 00 
68 22 10 
68 41 40 
69 05 40 
69 30 40 
Time, p. m. 
h. m. s. 
2 06 46 
2 05 10 
2 03 44 
Lost. 
2 00 27 
1 58 38 
1 56 54 
k. m. s. 
10 31 40 
10 33 18 
10 34 36 
10 35 56 
10 37 00 
10 38 54 
10 39 10 
d. m. s. 
70 39 30 
71 (JO 50 
71 17 30 
71 34 40 
71 54 30 
72 10 50 
72 25 50 
Time, p. i 
h. m. s. 
1 57 23 
1 55 44 
1 54 24 
1 53 02 
1 51 21 
Lost. 
Lost. 
Determination of tin 
, February 5,1854. —Equal altitudes of the 
Sun’s upper limb. 
Time, a. m. 
Altitudes. 
Time, p. m. 
li. m. s. 
d m s. 
h. m. s. 
10 35 18 
73 09 00 (?) 
1 45 38 
10 37 05 
73 '21 40 
1 47 07 
10 38 26 
73 37 50 
1 48 26 
10 39 44 
73 54 00 
1 49 59 
10 41 18 
74 12 40 
1 51 17 
10 42 36 
74 29 00 
1 52 38 
10 44 06 
74 46 30 
1 53 36 
AT CAMP, FOUR AND TWO-TENTHS MILES EAST OF THE 
HUECO TANKS. 
Determination of latitude, February 22, 1854.— Double altitudes 
of Sirius, in the east. 
Time, a. m. 
Altitudes. 
Thermometer 42° Fahrenheit. 
Heavens very hazy, with heavy clouds. 
