[174] 
SECOND ENCAMPMENT ON A RIVER OF THE SIERRA NEVADA. 
Determination of latitude, January 19, 1844—altiludes of Polaris. 
“- 
474 
OBSERVATIONS. 
Double altitudes of Polaris. Time ot chronometer. 
¥ Deg. min. sec. h. min, sec. 
81 32. 10 6 43 20 
sl. 32 00 45 
81 31 20 46 06 
81 31 25 47 26 
sl 30 45 48 36 
“Bl <S0 - 20 50 = «13 
81 29 45 5b 4 
“81 29 | 25 63 10 
oe % 45 54 «56 : 
$1 29 00 56 10 
* Index error — -++ 45 sec. 
RESULT OF CALCULATION. 
True altitude Mean time. ; Latitude. 
Deg. min. see. h. twin, ieee. Deg. min. ‘sec. 
44 3a 6 30 14 39 19 pat 
THIRD ENCAMPMENT ON A RIVER OF THE SIERRA NEVADA. 
els es | latitude, January 21, 1844—altitudes “ Polaris. 
a 
$ 
: OBSERVATIONS. 
visi altitudes of Polaris. Time of chronometer. 
Tyg. min. sec. h. “min, see. 
3B 32 00 ia ° 
80 29 45 45 03 
80 30 00 as | alae 
80 OL 2% oo 18 
20° eh 20 338 729 
os pm a. - 20 ie 03 
7 59 50 ‘ 41 29 
79 59 10 30 
RESULT OF CALCULATION. 
