What to do with an AFK'r in a Forcefield?

So I logged back in and something I noticed earlier while roaming and now is that there are alot of people who sit in a POS forefield that has defense guns. What can I do to counter this? Will an Abaddon with a max turret range of about 150km, will this make a difference if I target and shoot the afk'er? If I can get the starbase passcode, can I bump the afk'er out of range of the guns?

These questions and more need answers! Its off to find the wizard, the wonderful wizard of EVE!