----------------------------------------------------------------- Complete flight instrument Flatfield for WAC lower right corner, full frame, all filters but 2. Azimuth = +3.5 deg relative to WAC image centered in port hole. Elevation = +3.5 deg relative to WAC image centered in port hole. Using a single bulb setting of 3 (45-I & 45-II) Target RAW DN of 2800. Flight Camera in Chamber. Cold, hard vacuum. Sphere is visible through porthole. -----------------------------------------------------------------