Lunar horizon from Tranquility Base, the Lunar Module LM landing site. Shadow of LM thruster visible. Image taken from inside the LM during the Apollo 11 Mission. Original film magazine was labeled R. Film Type: Ektachrome EF SO 168 Color on a 2.5 mil Estar polyester base,taken with an 80mm lens. Sun angle is Low. Approximate tilt: Low Oblique.