raimey 
A478 
ENCAMPMENT ON THE HEAD WATERS OF A STREAM. 
Determination of latitude, January 24, 1844—altitudes of Polaris. 
OBSERVATIONS. 
Double altitudes of Polaris. Time of chronometer. 
De min. Set. h. min, sec 
7 11 00 | Pe 
79 Ae: 08 | 42° - 1h, 
79 +1 00 43 36 
79 «#08 «25 | 45 03 
2 79 07 35 | 47 13 
79 07 20 48 2z ’ 
79 #406 40 49 55 
79 05 45) j 51 18 
79 05 00 ; / 52 36 
79 04 30 53 56 
# ; 
Index error — ++ 48 sec. 
RESULT OF CALCULATION. 
True altitude. Mean time. ‘ Latitude. 
Deg. min. sec. h. min. sec. Deg. min. sec. 
39 33 T 3l 29 38° 24° 28 
CAMP ON A LARGE STREAM. 
Determination of longitude, January 26, 1844—allitudes “f the sun. 
OBSERVATIONS. 
FIRST SERIES. 
SECOND SERIES. 
od #e 
Double altitudes of the 
sun’s lower limb. 
Time of chronometer. || Double altitudes of the | Time of chronometer. 
’s low : 
52 00 
29.05... 50 
15 30 
. 25 AO 
29 39 00 
h. min. 
9 
35 
35 
36 
Deg. 
39 
40 
40 
40 
er limb. 
min. see. 
50 «= «88 
58 05 
07 10 
16° 85 
25°. 46 
23.7 
37 «453.0 
38 =. 28.3 
39 —«O1.5 
3936. 
