Fig. 2.

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Left: combined EUVI-A 171 Å and COR1-A, illustrating the connectivity between the high altitude structures observed in EUVI-A and the CME observed in COR1-A. The EUVI-A image was taken at 22:09 UT 13 April 2020, when the cavity was observed, whilst the COR1-A image was taken at 03:15 UT 14 April 2020, when the CME eruption was underway. The blue line represents the 90° slice taken for the stack plot. Right: stack plot inverse image of COR1-A, taken at an angle of 90°, showing the CME curve. The blue crosses indicate the points selected to track the CME curve.

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