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The Value of Moon Sights

Published online by Cambridge University Press:  18 January 2010

S. M. Burton
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Extract

Timed sextant observations of the Moon when it is suitably limbed are obviously as easy to take as those of any other body, and the results obtained are no less accurate or reliable. It is therefore surprising that only about 5 per cent of Merchant Navy navigators appear to take sights of the Moon, and that about 75 per cent of the defaulters seriously believe the Moon to be of small value for navigation, other than for compass checks.

Type
Research Article
Information
The Journal of Navigation , Volume 5 , Issue 2 , April 1952 , pp. 139 - 140
Copyright
Copyright © The Royal Institute of Navigation 1952

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References

* The attitude of naval authority towards the advancement of navigational science in immediate pre-Lecky times is eloquently portrayed in a picture which has been appearing recently in the advertisement pages of nautical publications. The picture shows Sir William Thomson showing his new compass to a group of Admiralty officials; the expressions of all concerned speak volumes.