NAME:
  rdrawast
 PURPOSE:
  Read raw astrometry data file.
 DESCRIPTION:

 CATEGORY:
  File I/O
 CALLING SEQUENCE:
  rdrawast,file,fn,jd,ra,dec,mag,nobs
 INPUTS:
  file - Astrometry data file to be read.
 OPTIONAL INPUT PARAMETERS:

 KEYWORD INPUT PARAMETERS:

 OUTPUTS:
  fn  - Original filename for measurement
  jd  - Julian date of measurement
  ra  - Right Ascension (radians)
  dec - Declination (radians)
  mag - measured magnitude
  nobs - Number of measurements.  (zero if file not found or file empty).

 KEYWORD OUTPUT PARAMETERS:

 COMMON BLOCKS:

 SIDE EFFECTS:

 RESTRICTIONS:

 PROCEDURE:

 MODIFICATION HISTORY:
  98/01/13, Written by Marc W. Buie, Lowell Observatory
  2002/08/10, MWB, added some error trapping on bad input files.
  2002/09/03, MWB, changed Str_sep call to strsplit