ee Ne ee ns Se eee ee : * aga a Oe 
{ 174 ] - AT2 
~ CAMP ON A RIVER OF HE SIERRA NEVADA. 
Determination of longitude, January 18, 1844—altitudes of « Leonis. » » 
OBSERVATIONS. . 
. ~ 
Double altitudes of a Leonis. Time of ae 
Deg. min. sec. hi Win. 8G ree 
12 30 6 32 13.0 a. m. 
if 61 31°00 34 05.0 
60 28 30 . 36 48.5 
3 . _ Index error — +- 44 sec. 
e. : 
ne A * RESULT.OF CALCULATION. 
Mean time. - Advance. Longitude. 
RES SER | 
. hh. min. see he min. see 
6 13 59 a. m. 9 0 3.0 x 
: “a = ~ 
nai = o lnsituae aes * 18, 1844—altitudes ofa tee 
aoe + Se OBSERVATIONS. . 
Double altitudes of a Lyre. Time of chronometer. 
