Ree =e 
pte 
# 
. Double altitudes of a Cygni 
538 
“SECOND ENCAMPMENT ON ELK HEAD RIVER. 
OBSERY AMES. 
; 
Sc easel of longitude, June 11, , 1844 altitudes of e Cygni. 
ae 3 ren 
ge 
— Time of chronometer. 
. ie ; rc 
Deg. min. see. id h. sec. 
“vy hh. Y oe 7 31.0 
57. 5k 40 ‘ 3408.0 
58 13 00 35 z 17.5 
‘ Bad observations. 1 ie 
ea ‘Thermo: 53°. ie ety 
bl Index error — + 6 sec. e > a 
“ ait 
RESULT OF CALCULATION 
ss 
Mean time Retard. Longitude. =» 
~ 
* | = ‘ » 
. kh. min. — sec. | he. min. — see. - a 
, 9 23 46 | 1 49 47.1 
\ ft ad 
FOOT 
ENCAMPMENT a THE VALLEY OF THE NORTH oak ‘or THE PLATTE, 
WAT THE F OF 
Determination — latitude, June 13, is14altitude of Polaris. 
F THE MOUNTAIN 
OBSERVATIONS. 
Double altitiéides. of Polaris. 
= 
Time of hninisanltes 
aR 
