NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Star-sight discrepancy
From: Fred Hebard
Date: 2005 Aug 25, 17:23 -0400
From: Fred Hebard
Date: 2005 Aug 25, 17:23 -0400
On Aug 25, 2005, at 5:09 PM, Bill wrote: > Wouldn't a star also have a brief > period--relative to its declination/observed altitude--where change in > observed altitude appeared to stall while it makes its meridian > passage? Yes. A principle means of establishing latitude on land, where a plumb bob or spirit level can be used to establish one's "horizon." At sea, with only a short time at twilight when both the real horizon and stars are visible, tough to find a star undergoing meridian passage (and wasting time better spent obtaining a 3-point or 4-point fix). > Now that you mention it, I do recall your post. I apologize if not > remembering it, or including it in my response to T, was perceived as a > slight. When I mention the gurus, I do include you on my list. Without trying to speak for George, I didn't get the impression that he felt slighted, rather delighted to once again share his erudition, much to our benefit. Fred