Top: photometric observations of NGTS-20 from TESS sector 4 at 30 min cadence (left panel) and NGTS binned at two-minute cadence {middle and right panels). In each panel, the data are shown are colored dots (orange, green, and red), the full model is represented with a line of the same color, and the Gaussian process model is shown as a gray line. Bottom: each panel shows the residuals in parts per million between the full model and the respective light curve.