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Re: Error in Nautical Almanac Polaris SHA Feb-June?
From: Pierre Boucher
Date: 2004 Apr 17, 10:47 -0400
From: Pierre Boucher
Date: 2004 Apr 17, 10:47 -0400
>Jim Thompson wrote wrote: >>I am writing up my (finally successful) Polaris sight for my course -- the >>final course element short of the sitdown exam next week. I have to show >>the position of Polaris on the time diagram. For that I need the SHA of >>Polaris. The 2004 Nautical Almanc gives the SHA of Polaris (Ursae Minoris) >>as 320 degrees and 68.6-84.6 minutes. Surely this is a rare printing error, >>since the minutes portion cannot exceed 60'? > >No error there Jim! > >? 320d is valid for the complete line (Ursa minoris/Polaris) for pages 273 >and 274 >? when the value for the minutes (for the month) exceed 60.0' as for april >2004 (79.1' or 1d 19.1') that means that the SHA Polaris for april 2004 is >321d 19.1' > >Pierre Boucher 79.1' is for March Jim not April... sorry! SHA Polaris for April 2004 would be 321d 24.6' Pierre Boucher ************************************************************************** X XX X Pierre Boucher N XXX XX formation en navigation de plaisance XXXX XXX Ste-Therese (Quebec) Canada XXXXX XXX XXXXXX XXX la "VOILE"... le reste n'est que du vent... XXXXXXXXXXXXXX ''Sail, Sail !''... the rest is only wind XXXXXXXXXXXX XXXX EMAIL: pboucher@lavoile.com XXX "http://www.lavoile.com" **************************************************************************