Example of header entry 26 fields all in one line.
  22 29jan96.001 1024 1024        John camera  TK_1K
        B ________ ________ 71.0 0.696      bias10
 29/01/96 09:03:54    0.0 2450111.87770 19:54:34  00:00
 00:07 19:54:34  30:42:00   1996.08 1.000 8.42 6.50


Column    Function                  Type         Entry
   1       Disk Number               Integer      ###
   2       File Name                 Text         ddmmmyy.###
   3       Image size X pixels       Integer      ####
   4       Image size Y pixels       Integer      ####
   5       Observer's name           Text
   6       Instrument                Text         camera or fosc
   7       ccd                       Text     *   TK_1K
   8       filter                    Text
   9       aperture wheel            Text         _______    camera
  10       grism  wheel              Text         _______    camera
  11       rotation angle degrees    Real         ###.#
  12       image scale arc secs/pix  Real         #.###
  13       Object name               Text
  14       Date                      Text         dd/mm/yy
  15       Universal time            Text         hh:mm:ss  24 hour
  16       Exposure time             Real         ####.# seconds
  17       Julian date               Real         #######.#####
  18       Sidereal time             Text         hh:mm:ss  24 hour
  19       Hour Angle                Text       {-}hh:mm E negative
  20       Zenith Distance           Text         dd:mm
  21       Right Ascension           Text         hh:mm:ss  24 hour
  22       Declination               Text         {-}dd:mm:ss
  23       Epoch                     Real         ####.##
  24       Air mass                  Real         #.###
  25       Gain                      Real      *  #.##
  26       Readout noise             Real      *  #.##   e-/pix

* Fixed values for the photometrics TK_1K 1024X1024 pixel chip.