Orion

Orion, the Hunter, is one of the most recognizable constellations in the night sky. Straddling the celestial equator, it is visible from nearly everywhere on Earth. Its prominent belt of three stars — Alnitak, Alnilam, and Mintaka — has been identified by civilizations worldwide for millennia. Orion contains two of the ten brightest stars, Rigel and Betelgeuse, and the famous Orion Nebula (M42), a stellar nursery visible to the naked eye.

The Orion family groups constellations associated with the legendary hunter Orion, one of the most spectacular and universally recognized figures in the sky. This family occupies a region rich in bright stars and nebulae, making it one of the most rewarding areas for observation. Orion itself contains two first-magnitude stars (Betelgeuse and Rigel), the iconic three-star Belt, and the Great Orion Nebula — a stellar nursery visible to the naked eye.

Mythology & History

Orion was a giant huntsman of extraordinary beauty and skill. In the most common version of the myth, he was killed by a scorpion sent by Gaia (or Artemis), which is why Orion and Scorpius are placed on opposite sides of the sky and never appear together. His two hunting dogs, Canis Major and Canis Minor, follow at his heels, with Canis Major containing Sirius — the brightest star in the entire night sky. Lepus the Hare crouches at his feet, and Monoceros the Unicorn was later placed in the gap between his dogs.

Observation Tips

Orion family constellations are best observed during northern hemisphere winter (December-February) and are visible from virtually every inhabited part of Earth. The Orion Nebula (M42) is the most photographed deep sky object and is visible to the naked eye as the middle 'star' of Orion's sword. Sirius in Canis Major, at magnitude -1.46, is unmistakable. Betelgeuse's distinctive red-orange color and semi-regular brightness variations (it is a red supergiant nearing the end of its life) make it a fascinating target for ongoing observation.

HIP 25878HIP 25896HIP 25904HIP 25938HIP 25953HIP 25980HIP 26000HIP 26012HIP 22682HIP 22716HIP 22732HIP 22791HIP 22857HIP 22886HIP 22913HIP 22941HIP 26327HIP 23035HIP 23099HIP 23116HIP 23159HIP 23173HIP 23241HIP 23266HIP 23301HIP 28750HIP 28762HIP 28766HIP 26588HIP 26596HIP 26694HIP 23351HIP 23404HIP 23406HIP 23441HIP 23462HIP 23492HIP 23601HIP 23602HIP 26778HIP 26867HIP 26893HIP 26898HIP 28784HIP 28785HIP 28789HIP 28792HIP 26914

Frequently Asked Questions

What is the Orion constellation?
Orion (Ori) is one of the 88 IAU-recognized constellations in the Northern hemisphere. Orion, the Hunter, is one of the most recognizable constellations in the night sky. Straddling the celestial equator, it is visible from nearly everywhere on Earth. Its prominent belt of three stars —
How many stars are cataloged in Orion?
StarFYI currently catalogs 1,975 stars in the constellation Orion.
What is the brightest star in Orion?
The brightest star in Orion is Rigel.
How large is the Orion constellation?
Orion covers 594.12 square degrees of the sky.
What family does Orion belong to?
Orion belongs to the Orion Family of constellations.