Evolution of the CME between the EUV instruments and coronagraphs. Panels A–D show composite EUVI 171 (blue)/304 Å (red) images and STA/COR1 from December 8 between 01:23 and 11:39 UT. The white arrow indicates the hot horn shape, and the red arrow points to the cool filament material. Panels F and G show the features tracked in WISPR images with COR2 identifications (see Fig. 2).