North is up, illumination is from the right. Two images were taken 9 months apart by Mariner 9 in 1972 to provide this high-resolution, stereoscopic view of the summit of Elysium Mons. The two volcanoes show many similarities. North is up, illumination is from the left. North is approximately up, illumination is from the right.
Illumination is from the right, north is approximately up.
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. Release of this image does not constitute a release of scientific data. The image and its caption should not be referenced in the scientific literature. Full data releases to the scientific community are scheduled by the Mars Global Surveyor Project and NASA Planetary Data System.