[Kstars-devel] KDE/kdeedu/kstars/kstars

Jason Harris jharris at 30doradus.org
Sat Dec 22 18:31:14 CET 2007


Hi Akarsh,

On Saturday 22 December 2007 10:19:38 am Akarsh Simha wrote:
> > In testing the magnitudes, I found that the KStars values are always
> > fainter than the published NASA values (at ssd.jpl.nasa.gov) by a few
> > tenths of a magnitude.  I believe this is because the geocentric
> > distance computed by kstars is larger than the NASA values.  I'll have
> > to look into why that is happening.
>
> Thanks Jason.
>
> Are you sure that this error is consistent?
> Because, the formula is pretty inaccurate and assumes a lot of things.
>
Yes.  See my later commit message, there is now no error at all.  It is 
probably the case that the JPL site is using the same formula that we are 
using.

regards,
Jason

> Regards
> Akarsh.




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