The Tolstoj quadrangle in the equatorial region of Mercury runs from 144 to 216° longitude and -25 to 25° latitude. It was provisionally called "Tir", but renamed after Leo Tolstoy by the Internationa
Part of eastern Tolstoj quadrangle is shown in the foreground, including Zeami, Sophocles, and Goya craters.
The Beethoven quadrangle is located in the equatorial region of Mercury, in the center of the area imaged by Mariner 10. Most pictures of the quadrangle were obtained at high sun angles as the Mariner
Oblique, exaggerated color image of Beethoven