The fourth image is 35A72 [4] from Viking orbiter A is the oldest, photographed in 1976 in its 35th orbit as image 72. A section with 100 pixels width and 100 pixels height has been taken. This section was enlarged by factor 10, so that it has also 1000 times 1000 pixels, afterwards it has been rotated by 50 degrees to the right. The mountains length takes 39.2 pixels on the original image, representing 1842 m and the mountains width takes 56 pixel, representing 2632 m.