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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Jack Aubrey's fixing of longitude
From: Geoffrey Kolbe
Date: 2011 Jun 18, 21:03 +0100
From: Geoffrey Kolbe
Date: 2011 Jun 18, 21:03 +0100
At 20:04 18/06/2011, you wrote: >His comment about the chrono suggest he shot a Venus lunar for time >and thus the position. > >Thomas A. Sult, MD >Sent from iPhone Yes perhaps, but from the description of, "the moon, with Venus clear above her," it sounds as though Venus was conjunct the moon - or very nearly so. So what does the measurement, "Two seven four," signify? It might have been an occultation of Venus. As the Surprise was at a latitude of about 15 degrees South at the time, the moon may well appear to be travelling vertically up to an occultation with Venus. But again, what does the measurement, "Two seven four," signify? Geoffrey Kolbe
