Explore Orion Constellation Map, it is a noticeable constellation situated on the celestial equator and can be seen all through the world. It is one of the most distinct and observable constellations in the sky at night. It is titled after Orion, a great hunter in Greek mythology belief. Its most blazing stars are white-blue Rigel (also known as Beta Orionis) and red Betelgeuse (also known as Alpha Orionis).