conpix
Operate on all pixels in a FITS or IRAF image
conpix operates on all pixels in a FITS or IRAF image or list of images
adding, subtracting, multiplying, or dividing by a constant, taking the
square root, or adding random Gaussian/Poisson (square root of n) noise to
each pixel in each image.
Images may be overwritten or a new images created.
