> Convert the Right Ascension and Declination to degrees. Place the star
a
> long distance away in the z direction. Rotate by -x*RA then y*Dec (or
is
> it -y*Dec).
It is worth mentioning that RA is measured in hh:mm:ss, so the way to
convert it to degrees is simply to multiply it by 15, i.e. ( hours +
( minutes / 60 ) + ( seconds / 3600 ) ) * 15
Declination is already in degrees, so no need to convert!
