OGLE and ATLAS images in the vicinity of OGLE-BLAP-001. Left: I-band 1′ × 1′ finding chart for OGLE-BLAP-001, centred on the star (white cross), taken from the OGLE web page. The yellow square drawn on it shows the size of a single pixel of the TESS camera (21″ × 21″). Right: Part of the ATLAS o-band image in the vicinity of OGLE-BLAP-001. The image size is 2.5′ × 2.5′. The yellow circle is centred at the target. North is up, east to the left.