Reticulum is a small, faint constellation in the southern sky. Its name is Latin for the reticle—a net of crosshairs at the focus of a telescope eyepiece that's used to measure star positions This constellation is best viewed between October and December, but can't be seen from mid-northern latitudes. History This constellation was introduced in 1621 by Isaac Habrecht, who named it Rhombus. It was later renamed by the French astronomer Nicolas Louis de Lacaille in the eighteenth century;… (More on Reticulum)