Visible in the Southern Hemisphere to the unaided eye, iota Horologii is located in the constellation Horologium, the Pendulum Clock. This star can be easily located since it is northwest of the bright star Alpha Eridani and west of the constellation Phoenix. iota Horologii's planet is only slightly larger than Jupiter and orbits its parent star within the so-called 'Green Zone', the region marked roughly by the orbits of Venus and Earth where water can exist in a liquid state.