Sigma Orionis s Orionis Sigma Orionis is an interesting multiple binary, some of whose components can be enjoyed with binoculars.
Sigma is a multiple binary with one very close companion and two wider ones.
While a small telecope would be of better use to fully enjoy the spectacle, its brightest companion should be visible in binoculars. All files associated with The Constellations Web Page are 1998 by Richard Dibon-Smith.