[kde-edu]: Machholz wrong position on chart

Jason Harris kstars at 30doradus.org
Mon Jan 10 16:46:41 CET 2005


Great!  Disregard my previous message then :)

clear skies,
Jason

On Sunday 09 January 2005 10:47 pm, Shawn Tayler wrote:
> Ok Jason,
>
> I'd like to thqnk you for your time.  I finally just removed kstars,
> deleted everything I could find, and reinstalling.  I then used the
> downlowd new data from the initial setup, first time run.  The dat files
> all ended up in my home directory, as they should've, for some reason
> kstars was trying to update /opt/kde...  Anyway, problem solved.
>
> Thanks again for a great app.  I really enjoy having a decent astronomy app
> for Linux!
>
> Shawn
>
> On Sun, 9 Jan 2005 19:33:17 -0800 Shawn Tayler <stayler at xmtservices.net>
>
> exclaimed:
> > And Kstars consistantly hangs at the afore mentioned point when I replace
> > the orig comets.dat file with the new one from JPL...
> >
> >
> > On Sun, 9 Jan 2005 19:17:30 -0800 Shawn Tayler <stayler at xmtservices.net>
> >
> > exclaimed:
> > > Well,
> > >
> > > I found it in the listing fro JPL.  Its there but KStars isn't showing
> > > it. Is there some threshold setting I've got goobered?
> > >
> > > Shawn
> > >
> > > On Sun, 9 Jan 2005 18:59:29 -0800 Shawn Tayler
> > >
> > > <stayler at xmtservices.net> exclaimed:
> > > > Hi Jason,
> > > >
> > > > Well that may account for it as there is no listing for 2004 Q2.  The
> > > > cometsa I was trying were 1 and 2  There is nothing shown in the area
> > > > of the sky where 2004Q2 is right now.  What name is it under in the
> > > > comet.dat file from JPL?
> > > >
> > > > Shawn
> > > >
> > > > On Sun, 9 Jan 2005 18:34:17 -0700 Jason Harris <kstars at 30doradus.org>
> > > >
> > > > exclaimed:
> > > > > Hello Shawn,
> > > > >
> > > > > Please provide more details.  Are you sure you are looking at
> > > > > "Machholz
> > > > >
> > > > > (2004 Q2)" and not "Machholz 1" or "Machholz 2" (Machholz is a very
> > > > >
> > > > > productive comet hunter!).
> > > > >
> > > > > If you are sure you have the right comet Machholz, what coordinates
> > > > > does KStars give for it (give the time, date and location also)?
> > > > >
> > > > > I have set the time to 00:00 UT on 10 Jan 2005, and the location to
> > > > >
> > > > > Tucson, AZ, USA.  KStars reports the following coordinates for
> > > > > Machholz
> > > > >
> > > > > (2004 Q2):
> > > > > 03h 29m 05s, +27d 51' 24"
> > > > >
> > > > > The JPL website
> > > > > http://cfa-www.harvard.edu/iau/Ephemerides/Comets/2004Q2.html
> > > > > reports the following coordinates for the same time and date:
> > > > > 03h 30.43m   +27d 58.0'
> > > > >
> > > > > They are slightly different because JPL gives geocentric
> > > > > coordinates precessed to epoch 2000.0, whereas KStars reports
> > > > > coordinates fro the
> > > > >
> > > > > real epoch (2005.03), as seen from the observing location.
> > > > >
> > > > > hope this helps,
> > > > > Jason
> > > > >
> > > > > PS- in the future, you can direct KStars-specific questions to
> > > > > kstars-devel at kde.org
> > > > >
> > > > > On Sunday 09 January 2005 04:00 pm, Shawn Tayler wrote:
> > > > > > Hi Guys,
> > > > > >
> > > > > > I've been looking throught he archive for the list and not found
> > > > > > an answer to the following problem.
> > > > > >
> > > > > > I have downloaded the latest comet.dat file and kstars refuses to
> > > > > > show Machholz in its proper position.  The data from JPL matches
> > > > > > what's in the comets.dat file.  KSatrs shows the planets
> > > > > > correctly for my location.  So I am befuddled.  There is nothing
> > > > > > shown in the position I know that Machholz is currently
> > > > > > occupying.  Is there some subtle setting somewhere that I may of
> > > > > > missed?
> > > > > >
> > > > > > Shawn
> > > > > > _______________________________________________
> > > > > > kde-edu mailing list
> > > > > > kde-edu at mail.kde.org
> > > > > > https://mail.kde.org/mailman/listinfo/kde-edu
> > > > >
> > > > > --
> > > > > KStars: Desktop Planetarium for KDE
> > > > > http://edu.kde.org/kstars
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