NAME:
  astlist
 PURPOSE:
  Create a summary listing from a final astrometry file.
 DESCRIPTION:

 CATEGORY:
  Astrometry
 CALLING SEQUENCE:
  astlist,file,outfile
 INPUTS:
  file - Final astrometry file to read and summarize.

 OPTIONAL INPUT PARAMETERS:
  outfile - (Optional), name of file to write results to.
  slowfile - (Optional), Name of file to write slow moving (or DES) objects to

 KEYWORD INPUT PARAMETERS:
  DESOBJ = optional string array of names of DES interesting objects.
            if provided, this controls the objects that are written to slowfile

 OUTPUTS:
  All information is printed to screen.
 KEYWORD OUTPUT PARAMETERS:

 COMMON BLOCKS:

 SIDE EFFECTS:

 RESTRICTIONS:

 PROCEDURE:

 MODIFICATION HISTORY:
  98/03/26, Written by Marc W. Buie, Lowell Observatory
  98/11/04, MWB, now filters out magnitudes fainter than 80.0
  2001/04/17, MWB, added slowfile output option
  2004/07/24, MWB, added DESOBJ keyword
  2015/04/10, MWB, fixed logic on splitting slow objects out with DESOBJ