APPENDIX L.—ASTRONOMICAL OBSERVATIONS. 
121 
ASTRONOMICAL OBSERVATIONS—Continued. 
Determination of longitude by lunar distances, March 14, 1854.- 
The Moon's western limb and Spica Virginis, east. 
Double alt it u A of the Moon’s bright [upper) limb, in the et 
Thermometer 49° Fahrenheit. 
114 46 25 
Double altitude of Spica Virginis, in the east. 
Double altitudes of Arcturus, in the east. 
Thermometer 52£° Fahrenheit. 
Double altitude of Spica Virgini 
11 31 43 
80 00 25 
Double altitude of the Moon’s bright (upper) limb, in the east. 
Double altitude of the Moon's bright (lower) limb, in the 
11 33 48 
119 34 45 
