ee ENCAMPMENT ON ROSEAUX, OR REED RIVER. | 
€ Ee aT ES ck ae ; : 
Determination of latitude, September 15, 1843—altitudes of Polaris. 
eo ; » OBSERVATIONS. é z. 
Double altitudes of Polaris. Time of chronometer. 
Deg. min, sec. * h. min, sec 
03 50 2 al ~ 
85 05 20 ? 22 09 
$5 464» (06 30 = 23 17 cs 
07 00 48 
85 ‘09 26 12 
Index error = + 1 min. 34 sec. 
: RESULT OF CALCULATION. : 
True altitude. ae eae Latitude. 
Deg. ‘win. sec. h. “min. sec. | Deg. mine sec. 
42 32 «OBL e619 10 oc en ee 
) ENCAMPMENT ON PANNACK RIVER. ” 
Determination of longitude, September 17, 1843—altiludes of the sun. 
' OBSERVATIONS. © ae 
. * FS 
~ a - = = - | ; ‘cage aac ae 
sep PATAE BSc i Hl SECOND SERIES». <T 
Double alflindes. of the | Time of chronometer. || Double alti of the | Time of chronometer, 
sun’s lower limb. —j sun’s lower limb. <4 ee 
Deg. min. . sec. h. min. sec Deg. min see. 
47 20 40 i 22.0 46 93 DO. 4 57 07.4 
47 07 60 : 54 58.3 46 1% ,80 24d 24s; 67 98.4 
46 56 .20 55 32.5 45 59 plO » 58 15.6 
46 46 - 60 55 «58.2 45 48 00 . 68 48.0 
46 38 45 56 22.0 
Index error = 4 1 min. 35 sec. 
RESULT OF CALCULATION. 
~~" Mean time. Advance. Longitude. 
ee sbitie.s Fig elt fois cami 
o ae 
ast h. min. see. h. min. see. . min, sec. 
se b. 4 141 M2 129 52 
a tS eee ah Ge 
