Typical IP Functions

1) scaling (linear, log, ...)
2) false color palettes
3) shift, rotate, flip                           an example:  M100
4) +, -, x, /  counts or images
5) zoom, slice
6) filter: sharpen, blur
7) photometry:  integrate counts, convert to magnitude,
    remove background (sky)
8) remove bias and dark count, apply flat field corrections,
9) repair image defects (hot/cold pixels; cosmic rays)
10) multiple file processing:  batch, animate
11) control telescope; operate CCD