White light curves of NGTS-5 observed with GTC/OSIRIS on Night 1 (left) and Night 2 (right). Top panels: Observed white light curves (blue circles for Night 1, orange circles for Night 2), best-fit models (black lines), and modeled systematics (green lines). Middle panels: De-trended white light curves with the best-fit transit models. Bottom panels: Residuals between the observed data and best-fit models.