Tikhonravov crater (right of center) on mars. Naktong vallis, arago crater, and scamander vallis are on the left. Viking orbiter 1 image from camera b (203s54). Red filter was used for this image. Resolution is about 719 m/pixel. North is at top. Emission angle: 5. 4
incidence angle: 40. 2
latitude: 12. 2
longitude: 33. 8
phase angle: 41. 4. Date: 13 October 1979.
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