images = "arc321r"       Images containing features to be identified
        crval =                 Approximate coordinate (at reference pixel)
        cdelt =                 Approximate dispersion
     (section = "middle line")  Section to apply to two dimensional images
    (database = "database")     Database in which to record feature data
   (coordlist = "dbs_near.dat") User coordinate list
       (units = "")             Coordinate units
        (nsum = "10")           Number of lines/columns/bands to sum in 2D imag
       (match = -3.)            Coordinate list matching limit
 (maxfeatures = 50)             Maximum number of features for automatic identi
      (zwidth = 100.)           Zoom graph width in user units
       (ftype = "emission")     Feature type
      (fwidth = 4.)             Feature width in pixels
     (cradius = 5.)             Centering radius in pixels
   (threshold = 0.)             Feature threshold for centering
      (minsep = 2.)             Minimum pixel separation
    (function = "chebyshev")    Coordinate function
       (order = 4)              Order of coordinate function
      (sample = "*")            Coordinate sample regions
    (niterate = 0)              Rejection iterations
  (low_reject = 3.)             Lower rejection sigma
 (high_reject = 3.)             Upper rejection sigma
        (grow = 0.)             Rejection growing radius
   (autowrite = no)             Automatically write to database
    (graphics = "stdgraph")     Graphics output device
      (cursor = "")             Graphics cursor input
     (aidpars = "")             Automatic identification algorithm parameters
        (mode = "q")