Orion konstelazioak izar oso distiratsuak dituenez antzinako zibilizazioetan konstelazio ezaguna zen, Betelgeuse (izar gorri handia), Rigel, Bellatrix, Alnitak eta Saiph. Esne bidean kokaturik, ortzi sakoneko objektu asko ditu, besteak beste Zaldiburu nebulosa, Oriongo nebulosa handia M42, Sugar nebulosa edo Barnard begizta. Monoceros (Adarbakarra) konstelazioak izar multzo eta nebulosa ugari ditu, handienak M50 izar multzoa, Roseta nebulosa, Gabonetako Zuhaitza izar multzoa eta kono nebulosa.

The hunter in Greek mythology, around the hunter Eridanus (River), two dogs Canis Major and Canis Minor faighting with Taurus. Its brigthest stars are Rigel (a blue-white star) and Betelgeuse (red supergiant). Orion has many deep-sky objets, amound of them the Horsehead nebula, Orion nebula (M42), Flame nebula and Barnard's Loop. Monoceros contains many clusters and nebulae, most notable are M50 open cluster, Rosette nebula, The Christmas Tree Cluster and Cone Nebula.