... News and . ... Press Releases . ... Description . Release Notes . ... PyRAF . ... Packages or tasks that have had minor enhancements of bug fixes include: analysis.isophote graphics.stplot.igi .skymap hst_calib.ghrs Parameter files that have changed ( new parameters or new default values, excluding prameters indicating version number changes): analysis/dither/acsdq.par (the following should all be considered new even though some have correspondences in the previous version of ...