conpix
Command Line Arguments

filename: Name of IRAF image header file or FITS file. This must be present.
@listfile: Name of file containing a list of FITS or IRAF images, one per line.
-a num: Add constant num to all pixels (g=noise)
-d num: Divide all pixels by constant num.
-g: Gaussian noise from each pixel (random between 0 and the square root of the pixel value)
-l num: Logging interval (default = 10)
-m num: Multiply all pixels by constant num.
-n: Write the output to a new file which is named by inserting an e before the file extension. The new file is always written to the current working directory.
-r: Square root of each pixel
-s num: Subtract constant num from all pixels
-v: Print more information about the process