609 oy 
ENCAMPMENT ON HORSE CREE 
m* 
r 174 i 
Determination of lovigitude, July 14, 1842—altitude of a Aquilz. 
OBSERVATIONS. 
FIRST SERIES.” *® SECOND SERIES: . 
Double ‘altitade of # | Time of chronometer: || Double altitude of «| | Time of chronometer. - 
Aquils. Aquile. 
Degs min: sec. he min: see. Deg. min. see. | he min. seee 
TE*> 33 ** 00 | Se OH wiht Be we z2zwrin’n Yn 
72-~ 27 30 © ll oo 39° 74 16 50 ll 15 ol 
Index error = -++ 15 sec. 
RESULT OF CALCULATION. * 
Mean time. Advance. Longitude. 
hk. min. — see. hh. min. © sec. . min. — see. 
| a) ee 2 we i. me” 59 23 ” 
Determination of lutitude, July 14,1842—a/titude of Polaris. 
ae x ee et 
—_ OBSERVATIONS. = 
= é “= 7 roa ea Rieke: * 
. = we 
Deg. min. sec. h. min. see. 
05 30 12 06 09 
e237 -09' . 20° 12 CS] og 2 
. eee 1 3-8 
82 15 30 i gy 16 
RESULT OF CALCULATION: 
Tree altitud Mean time Latitude. 
rid ow “33° os & CS Re Mee 
hie 
