443 [va yp 
ENCAMPMENT ON THE RIGHT BANK OF THE COLUMBIA, 15 Tr BELOW 
THE CASCADES. 
Determination of longitude, November 11, 1843—altitudes of Jupiter. 
OBSERVATIONS. 
Double altitudes of Jupiter. Time’ of chronometer. 
es’ 
Deg. min. sec. o wh. ming see. 
os 4 he 16. 14. o86 
32 08 = 40 1529.5 
3l 30 40 18 01.0 
Index error = ++ 2 min. 6 sec. s 
RESULT OF CALCULATION. 
Mean time. _ Advance. Longitude. 
he. min. sec. 
9 04 41 
Emersion of Jupiter’s first satellite. 
Observed time. Mean time. Longitude. 
kh. min. . sec. h. eae abil Deg. min.  s€e. 
9 45 19 8 34 50.2 122 06 15 
x 
Determination of latitude, November 11, 1845—altitudes of Polaris. 
OBSERVATIONS. 
' Double altitudes of Polaris. Time of chronometer. 
Deg. min. sec. he min. ste. 
el ee, 10 «638 ~—COO8 
94 08 10 41 13 
94 09 10 42 43 
Pee RESULT OF CALCULATION. 
Sf 
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es 
ret 
ae 
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