expo_flags0width=640,height=480,toolbar=no,scrollbars=yes,resizable=yes 1 object pixel(s) are located within region of subtracted bright galaxy 2 object pixel(s) are located within 32 pixels of the image edge 4 object pixel(s) have an effective exposure less than 2/3 of nominal exposure 8 object pixel(s) have zero effective exposure (e.g., object is truncated by image edge)