os ee [174 4] 
SECOND ENCAMPMENT ON SUMMER LAKE. 
Determination of longitude, December 18, 1843—altitudes of Capella. 
OBSERVATIONS. 
: | 
Double altitudes of Capella. : Time of chronometer. 
| 
Deg. min. — see. he mit. ~~ 860. 
94 18 50 7 54 24.0 
44 10 56 07.0 
95 10 00 57 24.0 
S65: = 8t: od bas 585° 208" 
96° 51% 10 5927.0 
* 
Index error = +1 min, 37 sec. 
RESULT OF CALCULATION. 
Mean time. Advance. - Longitude. 
kh. min. -seer h. min. sec. 
7 14 30 Q:: 42 399 
Determination of longitude, December 18, 1843—altiludes of « Cygne. 
ee fe at, SF OBSERVATIONS. orga 
Double altitudes of a Cygni. | 
fo | 
Deg. min. 3 
79 08 
78 2 40 
78 2k 
78° 04 
17 =< 45 
- Pes te 
