f.tv4J 433° 
i 
Betcoliation of longitude, Qetober 31,'1843—altitude of o Lyre. 
oa 
SECOND ENCAMPMENT ON COLUMBIA RIVER. 
OBSERVATION. 
Double altitude of a Lyre. Time of chronometer. 
> ; 
> e 2S a arena er ceeeer 
Deg. min. * sec. ' h. min. sec. 
: 80 07.) «40 — sa 
ae 
Index error = +- 1 min. 22 sec. 
: = RESULT OF CALCULATION. 
- Seti Cael ES EN 
Mean time. Advance. .- Longitude. 
a le 
h. min. sec. h. min. sec. Deg. min. sec. 
Sar oy i 08. 437.3 119. 45° 09 
a ee nega mastitis cee 
i 
MISSIONARY STATION AT THE DALLES OF THE COLUMBIA. age 
Determination of longitude, November 5, 1843—altitudes of the sun. 
* 
OBSERVATIONS. 
FIRST SERIES. | SECOND SERIES. 
| 
__ Double altitudes of the | Time of chronometer. | Double altitudes of the | Time of chronometer. 
- _ sun’s lower limb. | sun’s lower limb. z 
Deg. min. see. h. min. sec. Deg. min. sec. h. min. sec. 
: 13. 40 “2 “44 $2.6 30 56 50 e477: 4L3 
30-2510 36.8 31 04 20 48 10.6 
30 33 ag 46 11.0 oF 38 6 48 45.0 
30 42 50 46 45.0 31. 1 @ 49 18.5 
30 49 30 11.0 31 28 00 49 45.7 
Index error = + 1 min. 23 sec. 
ie ad 
= — RESULT OF CALCULATION. a 
