‘599 [14] 
FIFTH ENCAMPMENT ON THE RIGHT BANK OF PLATTE RIVER. 
Determination of latitude, June 30, 1842—altitude of Antares near 
the meridian. 
OBSERVATIONS. 
Double altitude of Antares. Time of chronometer. 
ae a 
ie Deg . gee. h min. sec. 
15 50 11 36 
: =" 46 50 11 40 59 
<7. ee I HO 1; “ie Coe 
‘ a eet 
Index error — — 20 sec. 
RESUDT OF CALCULATION. i 
' ie 
. # Z 
= ; 7 sm - : en 
True altitude. » Be Mean time. | Latitude. 
Determination of longitude, June 30, 1842—altilude of « Aquile. 
OBSERVATIONS. | 
Double altitude of « Aquile 
Deg. min. sec. iis 
3. 
61 48 30 re 
62 22 20 
«63 10 50 : 
63 59 50° 
Mean time. - Advance. ; Longitude. 
— 4 
h. min, sec. h. min. sec. _ Deg. min. sec. 
iS Tae OY ae Bee te 
Be $$ 
i 
