Are there any PROS "gotcha's"?
The parameter qp_mkindex in FITS2QP MUST be set to 'yes'. The default setting for PROS2.1 was accidentally set to 'no' just before the distribution version was generated. qp_mkindex sorts the photons in increasing pixel position, which is necessary for several of the tasks, particularly qpspec. This problem should disappear upon the next release of PROS. Some rather odd error messsages can appear, leading the user astray as to the problem's solution.
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