This context image is a portion of Viking 1 orbiter image 538a25. This is a Mercator projection, north is up, illumination is from the left.
North is approximately up, illumination is from the left.
Full-resolution subframe of MOC image 52706. North is approximately up, illumination is from the left. North is approximately up, illumination is from the left. You may need to adjust the images for the gamma of your monitor to insure proper viewing. This MOC image is made available in order to share with the public the excitement of new discoveries being made via the Mars Global Surveyor spacecraft.