Lunar surface and horizon. Interior of a small crater with rocky bottom visible. This photo is of a crater Astronaut Neil Armstrong noted during the Luner Module descent. The Apollo Lunar Surface Closeup Camera (ALSCC) is visible in foreground. Image taken by Armstrong at Tranquility Base during the Apollo 11 Mission. Original film magazine was labeled S. Film Type: Ektachrome EF SO168 color film on a 2.7-mil Estar polyester base taken with a 60mm lens. Sun angle is Medium. Tilt direction is Northeast (NE).