[374 ] 460 
ENCAMPMENT. ON SUMMER: LAKE. 
eee ection of longitude, December 16, 1843—altitudes of o Lyrzx. 
OBSERVATIONS. 
Double altitudes of a Lyre. Time of chronometer. 
Deg. min. sec. h. min. see. 
67 50. 20 6 08.5 
67 08 50 44 11.0 
66 27 35 46 13 
¥ 
Index error — -+ 1 min. 35 sec. 
* RESULT OF CALCULATION. 
Z Mean time. Advance. Longitude. 
} 
h. min. see h. min. sec. 
5 59 59 0 44 11:2 
_ Determination of longitude, December 16, 1843—altitudes of Capella. 
zi 
ses OBSERVATIONS. # 
Double altitudes of Capella. Time of chronometer. 
Deg. min. see. h. min sec. 
E 73 29 45 6 58 46.0 
74 16 20 Ol | ay og 
Index error — + 1 min. 35 sec. 
Saul? OF CALCULATION. 
Advance. Longitude. 
