stsci.tools
stsci.convolve
stsci.image
stsci.imagemanip
stsci.imagestats
stsci.ndimage
stsci.stimage
nictools
stwcs>=1.1.2
fitsblender>=0.2.2
astrolib.coords>=0.39.4
pyfits>=3.1.1,<=3.1.99
numpy>=1.5.1