APPENDIX L.—ASTRONOMICAL OBSERVATIONS. 129 
ASTRONOMICAL OBSERV ATIONS— Continued, 
Double altitudes of Arcturus, in the cast. Double altitudes of Spica Virginis, in the east. 
Time. Altitudes. Time. Altitudes, 
A. m s d. m. 8 h. m. 8. d. 
9 8 98 90 49 55 9 $1 54 74 L 
9 2() 43 91 40 85 9 32 56 75 09 35 
9 A 46 92 9 34 00 75 
9 3 35 92 28 05 9 35 12 75 46 25 
9 3 31 92 52 40 9 36 06 76 01 45 
9 4 23 93 14 5 9 36 53 76 13 35 
9 16 93 36 15 9 38 76 34 05 
9 6 20 94 02 45 9 39 5 76 48 45 
* N 16 94 9 40 03 77 15 
9 28 10 94 50 25 9 41 01 77 20 25 
9 43 0 77 35 
9 44 5 78 10 05 
j Thermometer 50° Fahrenheit, 9 4b" W 7B 29 15 
9 46 2 78 44 55 
9 47 97 79 00 45 
Determination of aou oes 8, — —Double altitudes of 9 48 0 79 158 655 
, in the esi 9 49 7 79 30 05 
9 50 23 79 43 55 
9 51 29 80 01 15 
Time. Altitudes. : os , : € as = 
; bp 4G C 80 55 
h. m. s. m. 8. 
7 11 39 63 30 35 A 
7 14 08 63 28 55 Thermometer 509 Fahrenheit. 
* 16 30 63 rar 95 
ví 18 59 63 2y 55 
7 91 59 63 94 95 DETERMINATION OF LONGITUDE BY LUNAR DISTANCES. 
UP we, 2i 63 21 35 Determination of time, April 3, pier —JDouble altitudes of 
via. - ce 63 19 55 Siri us, in the wes 
T 31 07 63 17 55 
li ML 863 .136 15 Approximate latitude, 329 28' 55". 
7 35 25 63 14 45 | 
ra 5 63 13 05 || 
7 39 56 63 11 55 ime, Altitude. 
.7 49 09 63 10 95 Te , 
7 44 63 08 55 
yd 47 00 63 06 35 = 
T S S7 6 3 20 74 39 40 
T 54 04 63 09 35 6 37 03 74 10 50 
rá 57 47 63 01 05 6 38 34 73 54 50 
8. "— ee . 2 9" 73 42 40 
6 40 32 73... 6... 60 
Thermometer 50° Fahrenheit. | 
11e 
