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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: SNO-T tests
From: Fred Hebard
Date: 2005 Nov 28, 14:09 -0500
From: Fred Hebard
Date: 2005 Nov 28, 14:09 -0500
On Nov 28, 2005, at 1:00 PM, Alexandre E Eremenko wrote: >> For instance, the bump at 16 >> degrees wasn't >> reproducible between November 13 and November 7. > > That's the main problem. If they were reproducible, I'd > make a table of arc correction. But they are not, and I am stilll > at loss whether this has something to do with my observations > or just the sextant is flimsy. > > Alex. Alex, My guess would be observational proficiency. It took me about two years to achieve proficiency in altitude shots with the artificial horizon; I quickly got within 0.5' of arc, but getting well under 0.2' took much longer. You seem to be pretty close. Perhaps Frank could comment on how long it took him. Fred
