Yesterday, COR2 on STEREO-A revealed a possibly Earth-directed CME (left), in addition to the more impressive CME from the far side (right). The former was hardly recognized in SOHO/LASCO imagery. The inset may help you how to interpret COR2/STEREO-A images. pic.twitter.com/b0cFbb0mV0

— Halo CME (@halocme) July 14, 2021