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from the original manuscripts in the library of the American Philosophical Society and by direction of its committee on historical documents |
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Sunday January 20th. 1805.
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 | VII. Astronomy Original journals of the Lewis and Clark Expedition, 1804-1806 |  |
Sunday January 20th. 1805.
Observed Equal altitudes of the ☉, with Sextant & glass horizon.[43]
| h | m | s | h | m | s | ||
| A.M. | 8. | 40. | 20. | P.M. | 1. | 21. | 55. |
| ". | 47. | 15. | ". | 24. | 47. | ||
| ". | 50. | 10. | lost by a cloud | ||||
| Altitude given by Sextant at the time of obst. | 31°. | 40′. | 15″. | ||||
| h | m | s | |||||
| Chronometer too slow on main time | 1. | 15. | 20.3 |
☞the horizon was removed from it's first adjustment.
| VII. Astronomy Original journals of the Lewis and Clark Expedition, 1804-1806 | |