& 
nat 
ENCAMPMENT ON SALMON _TROUT RIVER. 
Pt 
_ Determination of latitude, January 16, 1844—altitudes of Polaris. 
sd OBSERVATIONS. = ; 
Double altitudes of Polaris. Time of chronometer. 
a: sane = 
: a “ 
Deg. min. © sec. h. min. See. : 
77 21 to. 3 Il 29 a.m 
77 20... 40 13 13 
77 19 20. 14 32 * 
77 18 50 15 43 
77 18 50 16 45 
77 18 25 17 59 
4 77 18 00 19 12 
: Aes Skeet 20 87 
se 77 16 30 at 
fee 77 15 23 ol 
Index error = + 44 sec. 
* RESULT OF CALCULATION. 
: - True altitude. Mean time. Latitude. 
5 ee ee he min, see. Deg. min. sec. E 
. o, 3 ee 2 85 “04 4 mi. 39° SI I3~ 
Determination of longitude, January 16, 1844—altitudes of Arcturus. 
‘OBSERVATIONS. 
+ 
we ce } se 
Double altitudes of Arcturus. 
: 
eos 
: = 2 eS 
3h. «50 
i, 4. . 35 
9 «Lis = 50 
—— Index error = +- 44 sec. 
i RESULT OF CALCULATION. 
