In the top row, from left to right, we show the STEREO Behind 195 Å, SDO AIA 193 Å, and STEREO Ahead 195 Å images taken at 23:45UT on 2011 August 22. The bottom row shows the combined whole coronal image as a function of heliographic longitude and latitude. In the lower panel, we show three dashed horizontal lines: at the equator (white dashed line) and at 35° in the northern and southern hemispheres (red and blue dashed lines, respectively). The electronic edition of the Journal includes an animated version of Panel (D). The animation runs from 2011 February 6 through 2014 June 30 with a cadence of 6 hr. In the animation, a white dashed line is superimposed at the equator.

(An animation of this figure is available.)

The video/animation of this figure is available in the online journal.