Original journals of the Lewis and Clark Expedition, 1804-1806 printed from the original manuscripts in the library of the American Philosophical Society and by direction of its committee on historical documents |
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Wednesday August Ist.
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 | VII. Astronomy Original journals of the Lewis and Clark Expedition, 1804-1806 |  |
Wednesday August Ist.
Observed meridian Altd. of ☉'s L. L. with Octant by the back observtn.
51°. 29′. 30″
Observed Equal Altitudes of the ☉, with Sextant.[25]
☉'s Magnetic azimuth by Circumferenter N. 86°. E.
h
m
s
Time by Chronometer
A. M.
7.
52.
55.
Altitude by Sextant of ☉'s U.L.
68°.
47′.
15″.
Latitude of place deduced from two observtns. of ☉'s
Merdn. altd. being as mean of the same
41°.
17′.
0″.2.
| VII. Astronomy Original journals of the Lewis and Clark Expedition, 1804-1806 | |