The file ESP_061686_1725_RED3_1.bitclean-ri.IMG Was run through my bitflip cleaning algorithm which was applied to the reverse-clock area only (first 20 lines) and then the image area only (hence the 'ri'). The mask, ramp, buffer and dark regions were untouched. The reverse-clock area had a median of 1149, and the computed DN window was 1097 to 1329. The image area had a median of 1918, and the computed DN window was 1657 to 2223. The reverse-clock and image areas were altered in this way: If the 8-bit value was zero, it was left that way. If the 8-bit value was unlutted to a DN value less than the lower end of the DN window, or greater than the higher end of the DN window, then an 8-bit 255 value was written to the pixel in that spot in this modified .IMG file. If the unlutted DN value was between the lower and higher ends of the DN window, it was left unchanged in the .IMG file. The file ESP_061686_1725_RED3_1.bitclean.IMG has been run through the much more complete cleaning algorithm where *all* of the areas were processed: reverse-clock area, mask area, ramp area, buffer area, image area, and dark area.