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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Instrumental error?
From: Ken Muldrew
Date: 2005 Apr 25, 09:59 -0600
From: Ken Muldrew
Date: 2005 Apr 25, 09:59 -0600
On 24 Apr 2005 at 16:28, Fred Hebard wrote: > One trick is to set the sextant with the objects slightly apart, as > appropriate to rising or setting, and wait for them to converge. The > biggest challenge then is timing the convergence accurately. This is > also a recommended trick for shots on water using a real horizon. (It > doesn't work for meridian shots, such as the sun at noon, btw). That depends on how long your willing to wait. ;-) Ken Muldrew.