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Views of Phobos
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This sequence of images was obtained by the High Resolution Stereo Camera (HRSC) on board ESAs Mars Express on 26 July 2008 (orbit 5861), at a distance of about 2295 Km from the moons centre, and provides a striking impression of the encounter.
These imagee was taken using all 9 imaging channels of the camera. The resolution shown here is 92 mt/pixel for each image.
HRSC is a so-called push-broom camera, building up images in a scanning mode while the spacecraft passes over the surface. Its nine channels, or scanning lines, are oriented in different directions that spread from 18,9 behind the nadir viewpoint (corresponding to a vertical line of sight), to 18,9 ahead of the nadir. This gives the camera its stereo-viewing capacity.
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