AIA and SWAP images of 2021 May 07 CME. (a)–(c) Composite images of the AIA 131 Å (red) and AIA 211 Å (green) showing the EUV leading front and bright core structure of the 2021 May 7 CME. Panel b: the white point shows the position of the source region, and the yellow cross marks the top of the EUV blob. The leading front and bright core are pointed out in panels b and c. The leading front is only partially visible in the AIA FOV. (d)–(f) SWAP 174 Å base-difference images showing the evolution of the CME leading front and bubble. (Animations of AIA composite and SWAP images are available online.)