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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Tables at Starpath
From: Cliff Sojourner
Date: 2002 Apr 23, 12:13 -0700
From: Cliff Sojourner
Date: 2002 Apr 23, 12:13 -0700
earlier I wrote: > and the sight plot has the (western) longitudes going the wrong way - lower > is left, higher is right! such a basic error, must be user configuration > error (me) right? can't seem to affect it with any configuration though. I shudda RTFM, my wife pointed out that western longitudes are negative. of course, duh! still not getting the sights to work out though. -- these are the good old days Cliff Sojourner cls@employees.org ----- Original Message ----- From: "Myrt Webb"To: Sent: Monday, April 22, 2002 21:12 Subject: Re: Tables at Starpath > I was the guy that had a problem with Hc calc's. Peter Smith sent me some > spreadsheets so I could compare results and see if I could determine my > problem. > > I did. My computation of LHA was in error. Once I fixed that things worked > fine. > > I think the reason why manual computation and computer computations are > often different by a few minutes is that manual computations must work in > whole degrees of LHA. Computers work in minutes of LHA and give more > accurate results. > > If you have a TI89 calculator I could send you the program. > > Myrt in MT > > -----Original Message----- > From: Navigation Mailing List > [mailto:NAVIGATION-L@LISTSERV.WEBKAHUNA.COM]On Behalf Of Cliff Sojourner > Sent: Monday, April 22, 2002 7:59 PM > To: NAVIGATION-L@LISTSERV.WEBKAHUNA.COM > Subject: Re: Tables at Starpath > > > since the Pacific Sail Expo boat show I have been playing with a demo > version of star-pilot. > > looks like there is a lunar distance computation in my demo version of > star-pilot. don't have any lunar sights so haven't tried it. > > can't get the sun sight reduction to give reasonable answers, darn it. a > couple weeks ago someone here mentioned trouble getting other programs to > match their sight reductions. I think that is par for the course, I never > had any program match my hand reductions - using the printed almanac. > > the almanac program's output is off from the printed one by different > amounts at different times - which one do you trust? > > and the sight plot has the (western) longitudes going the wrong way - lower > is left, higher is right! such a basic error, must be user configuration > error (me) right? can't seem to affect it with any configuration though. > > (it snowed in Yosemite Valley last wednesday! today in Sunnyvale CA it was > 80oF+.) > -- > these are the good old days > Cliff Sojourner cls@employees.org > > ----- Original Message ----- > From: "John Kabel" > To: > Sent: Monday, April 22, 2002 19:04 > Subject: Re: Tables at Starpath > > > > John Kabel replies: > > > > I wasn't able to find them by looking through the sight. You don't mean > the > > Star-Pilot PC software, do you? > > > > John Kabel > > London, Ontario [where it snowed today!!!] > > > > > At the time I answered the question as to where my Tables for Clearing > the > > > Lunar Distance could be found, the one place was in Celestaire's > catalog. > > > Unless, that is, you visited me at my home in Eugene or David Burch at > his > > > Starpath School of Navigation in Seattle. Since then David has added > them to > > > his online catalog at: > > > > > > http://www.starpath.com/index.htm > > > > > > Bruce > > >