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from the original manuscripts in the library of the American Philosophical Society and by direction of its committee on historical documents |
I. |
II. |
III. |
IV. |
V. |
VI. |
VII. |
VIII. |
VII. Astronomy Original journals of the Lewis and Clark Expedition, 1804-1806 | ||
Monday September 17th. 1804.
Point of Obstn. No. 42. On the Lard. shore, one mile and a haf above the
mouth of Corvus Creek[35] observed equal altitudes of ☉ with Sextant.
h | m | s | h | m | s | ||
A. M. | 7. | 46. | 49. | A. M. | 2. | 59. | 50. |
". | 47. | 25. | 3. | 1. | 30. | ||
". | 49. | 12. | ". | 3. | 3. | ||
Altd. by sextant at the time of Observatn. 53°. 17′. 45″. |
Observed meridian Altitude of ☉'s L. L. with Octant by the back
Observation 87°. 31′. 00″.
VII. Astronomy Original journals of the Lewis and Clark Expedition, 1804-1806 | ||