Edge illuminated star map.

An illuminated star map that is visually similar to the observed night sky, which can be used as a direct viewing device or as a reference to help locate or identity celestial objects. The illuminated star map consists of a panel 1 of transparent material with at least one edge, a light source or sources 2 at one or more edges of the panel, the panel having deformities 3 of various sizes on at least one surface of the panel, the deformities are arranged such that light emitted from the surface of the panel gives the appearance of a section of the night sky, the relative position and relative brightness of each observed celestial body being closely matched by the panel.