- Orion - (Greek mythology) a giant Boeotian hunter who pursued the Pleiades and was eventually slain by Artemis; was then placed in the sky as a constellation
--1 is a kind of mythical being
- Orion, The Hunter - a constellation on the equator east of Taurus; contains Betelgeuse and Rigel
--2 is a kind of constellation; diffuse nebula, gaseous nebula
--2 has members: Betelgeuse, Alpha Orionis - Orion, The Hunter - a constellation on the equator east of Taurus; contains Betelgeuse and Rigel