subpix
Subtract a Constant from FITS or IRAF images
subpix subtracts a constant from a specified pixel in a FITS or IRAF
image. The image may be overwritten or a new image created.
Command Line Arguments
filename
Name of IRAF image header file or FITS file. This must be present.
x y value
Image coordinate and value to be subtracted. This must be present.
-v
Print more information about the process
-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.
