These won't compare with Mike's images from March 07, but I did manage to get a couple of images in before the clouds close clear in on me.  :-)

The eastern limb using a 2.5 Power Mate -

The eastern limb using a Barlow lens -

AR1993 -

Near the western limb -

AR1998 0n the eastern limb -

A late addition.  From the western limb in - AR1989, 1993 & 2001.