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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Old style lunar
From: Kieran Kelly
Date: 2004 Dec 16, 19:43 +1100
From: Kieran Kelly
Date: 2004 Dec 16, 19:43 +1100
On 15 Dec 2004 at 12:39, Alexandre Eremenko wrote: > Why did not he measure altitudes? Ken Muldrew replied >With a sextant and an artificial horizon one can only measure altitudes up >to 60?. That is enough for this series, and probably many more, but >Thompson (and his contemporaries) never measured altitudes. It just wasn't >part of their procedure. I know this may not have been true for Thompson et al but the Australian, Gregory always measured the altitudes when doing lunars, as shown in the paper at ld-DEADLINK-com referred to on this list recently. Not sure why he did, (he was later then Thompson) although he achieved extremely accurate results. Kieran Kelly Sydney Australia