3C 279 (Quasar, z=0.538)
Below is the sequence of images from the mm-wave polarization project, from S. Jorstad et al. (2002, ApJS, in prep).
If you like, you can also view these as a movie of 3C 279, complete with multifrequency light curves.

Plot of separations of knots (C1-C8, new designations) from core vs. time/Plot of polarization E-vector directions at 43 GHz vs. that at higher frequencies