Asteria — interactive night sky map
NGC 4609 is a open cluster in the constellation Crux with an apparent magnitude of 6.9, spanning about 5 arcminutes. It is within reach of binoculars or a small telescope.
It is best placed in the evening sky around April. It is visible from the whole southern hemisphere and from northern latitudes up to about 27°N. It is circumpolar (never sets) south of latitude 27°S.