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Re: September Equinox computation
From: Pierre Boucher
Date: 2002 Sep 24, 17:48 -0400
From: Pierre Boucher
Date: 2002 Sep 24, 17:48 -0400
>Essentially you go to the nearest hour to when the sun's declination is >close to zero, note the "v" increment (in this case it is 1.0) then go to >the back of the almanac and scroll through tables until the correction for >the "V" increment takes the declination down to precisely zero. From 51 to 56 minutes included gives a v corr. of 0.9 ... and from and within those (51 to 56 minutes), there are many pairs of GHA Sun and Aries that would give a 180d SH. Exemple 04-52-04 by Dan Allen works Thanks to all who contributed. 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" **************************************************************************