APPENDIX L.—ASTRONOMICAL OBSERVATIONS. 
151 
ASTRONOMICAL OBSERVATIONS—Continued. 
Determination of longitude by lunar distances, May 6, 1854.— 
The Moon’s western limb and Pollux, west. 
Time. 
Angular distances. 
Time. 
Angular distances. 
h. to. a. 
8 19 55 
8 21 43 
8 23 30 
8 25 20 
d. TO. 5 . 
44 29 30 
44 30 10 
44 31 00 
44 31 50 
h. m. s. 
7 47 23 
7 51 19 
7 53 20 
7 55 17 
d. TO. s. 
44 16 20 
44 18 10 
44 19 00 
44 19 40 
Thermometer 66° Fahrenheit. 
Determination of longitude by lunar distances, May 6, 1854.— 
The Moon’s western limb and Spica Virginis, east. 
Double altitude of the Moon’s upper limb, in the west. 
Time. 
Angular distances. 
Deduced longitude. 
Time. 
Altitude. 
h. TO. s. 
8 33 26 
8 35 23 
8 36 57 
8 38 55 
d. m. s. 
46 15 10 
46 14 40 
46 14 00 
46 23 10 
h. TO. s. 
6 34 41 
h. m. s. 
7 57 30 
d. TO. s. 
128 37 20 
Double altitude of Pollux, in the west. 
Double altitude of the Moon’s upper limb, in the west. 
Time. 
Altitude. 
Time. 
Altitude. 
h. m. s. 
8 00 31 
d. TO. s. 
70 01 20 
h. TO. s. 
8 40 31 
d. TO. s. 
114 21 10 
Time. 
Angular distances. 
Double altitude of Spic 
a Virginis, in the east. 
h. m. s. 
8 03 54 
8 09 30 
8 11 02 
8 12 30 
44 22 40 
44 24 40 
44 25 20 
44 26 00 
Time. 
Altitude. 
h. TO. s. 
8 45 42 
d. TO. s. 
90 28 40 
Double altitude of Pollux, in the west. 
Time. 
Angular distances. 
Deduced longitude. 
Time. 
Altitude. 
h. TO. s. 
8 50 12 
8 53 19 
8 55 29 
8 57 32 
d. TO. a. 
46 08 20 
46 07 00 
46 06 10 
46 05 20 
h. TO. s. 
6 35 52 
h. TO. s. 
8 15 24 
d. TO. s. 
64 00 10 
Double altitude of the Moon's upper limb, in the west. 
Double altitude of Spica Virginis, in the east. 
Time. 
Altitude. 
Time. 
Altitude. 
h. TO. s. 
8 18 13 
d. TO. s. 
122 06 10 
h. m. s. 
9 01 05 
d. TO. s. 
91 36 00 
