NAME:
  mosphot
 PURPOSE:
  Plot Mosaic astrometric solution for DES data and do photometric calibration.
 DESCRIPTION:
 CATEGORY:
  Astrometry
 CALLING SEQUENCE:
  mosphot,root,first,last
 INPUTS:
  root - root of data area and file names
  first - number of first image to plot
  last  - number of last image to plot
 OPTIONAL INPUT PARAMETERS:
 KEYWORD INPUT PARAMETERS:
  KPNO - If set, generates overview plot of plane-of-sky orientation for
           the Kitt Peak Mosaic camera.  Otherwise, the orientation for
           Cerro Tololo is used.
 OUTPUTS:
 KEYWORD OUTPUT PARAMETERS:
 COMMON BLOCKS:
 SIDE EFFECTS:
 RESTRICTIONS:
 PROCEDURE:
 MODIFICATION HISTORY:
  Written by Marc W. Buie, Southwest Research Institute, 2008/07/31
  2009/08/05, MWB, modified for new rdastfc and astxy2rd versions.
  2009/12/30, MWB, modified for new fitting coefficients methodology