[APML]: planatary filters

["Bobby Middleton" <bobbym@webwide.net>]

Can someone suggest useful filters for increasing the contrast of Jupiter
and Saturn in photographs. I have a #12 yellow, #25 red, and a #56 green.
Would any of these help, or 
would another be worth buying?  Also, is it possible [without a lot of work
:-) ] to "color correct" these filtered photos back close to their original
color in an image processing
program while still maintaining any gains in contrast made with the
filters?

Thanks from a wanna-be non-newbie

Bobby Middleton
bobbym@webwide.net