Left: AIA 131 Å images of the active region at the times of the two flares. The red boxes are the positions of the IRIS SJ images. Right: IRIS SJ 1400 Å images of the two flares analyzed. The position of the spectrometer slit at the start of the flare is seen as a white dashed horizontal line. The purple +’s indicate the re-spike pixels in the AIA 131 Å images with the code “aia_ respike”.