NAME:
  qhyimclean
 PURPOSE:   (one line only)
  Apply standard image cleaning to a raw QHY174 camera image
 DESCRIPTION:
 CATEGORY:
  Image Processing
 CALLING SEQUENCE:
  outim=qhyimclean(image)
 INPUTS:
  image - raw image read from the saved image file
 OPTIONAL INPUT PARAMETERS:
 KEYWORD INPUT PARAMETERS:
 OUTPUTS:
  return value is a floating point image that has been cleaned
 KEYWORD OUTPUT PARAMETERS:
  MEANSKY - Average sky (background) level in image
  SKYSIG  - standard deviation of the sky
 CONFIGURATION:
 COMMON BLOCKS:
 SIDE EFFECTS:
 RESTRICTIONS:
 PROCEDURE:
 MODIFICATION HISTORY:
  Written by Marc W. Buie, Southwest Research Institute, 2022/02/25