[Kstars-devel] Change in SkyObject class

[Pablo de Vicente]

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I forgot to send this comment when commiting the changed file:

- - There was an error when computing the new coordinates of a source for
a given time in function getNewCoords. Surprisingly
  return SkyPoint(ram, decm);
does not provide the same result as:
  SkyPoint sp = SkyPoint(ram,decm);
  return sp;

After this change the Moon rise/set time differs from almanac values by
4 minutes at most (may be a sidereal time effect when changing day?).
I have to investigate this further, and see how to tune it.

Before the change the set time was erroneous by 25 minutes at most.

- - Added one level of iteration in function riseSetTime, For the Moon the
second iteration changes RA, DEC by 1.5 arcmin.

- - Cleaned function riseSetTimeUT, removing useless variables.

- - Added the same elevation correction for the Moon as the one used for the
Sun, since RA and DEC for the Moon already contain the parallax efect (a.k.a.
figure of the Earth correction).

Pablo.
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