Sky ArchiveTonight

Use Orion’s Belt to find 4 bright stars in the sky

Orion's Belt: Star chart of large constellation Orion with stars labeled.
Look east in the mid-evening in November and December for the constellation Orion the Hunter. The 3 stars at the midsection of the Hunter are known as Orion’s Belt. Chart via EarthSky.

Orion’s Belt is a handy tool

Tonight look for Orion the Hunter, the most noticeable of all constellations. Then use Orion’s three super-noticeable Belt stars to identify other bright stars.

Use Orion’s Belt of three sparkling blue-white stars to locate Orion’s two brightest stars, ruddy Betelgeuse and blue-white Rigel.

Look at the chart at the top of this post. Betelgeuse is to the north of Orion’s Belt, while Rigel is on the opposite side, about an equal distance south of Orion’s Belt.

No matter where you are on Earth now, Orion will rise above your eastern horizon in early evening. It’ll parade westward across your sky throughout the night. Orion transits (reaches his highest elevation above the horizon) around the middle of the night. In the hours before dawn, the giant figure is seen over your western horizon.

The sky chart at top shows Orion’s position for around early-to-mid evening, as viewed from mid-northern latitudes. If you’re in the Northern Hemisphere, the Mighty Hunter lords over your southern sky around midnight, standing tall and proud. This is in stark contrast to his appearance at mid-evening, when Orion first rises above the eastern horizon. He then assumes a reclining position.

Use it to find Sirius and Aldebaran

Draw a line through Orion’s Belt toward the ruddy star Aldebaran in the constellation Taurus the Bull. Going in the opposite direction, Orion’s Belt points to Sirius in Canis Major the Greater Dog – sometimes called the Dog Star – brightest star in the nighttime sky.

Sky chart showing an arrow from Belt of Orion to the star Aldebaran. The Pleiades is in the upper right.
First, find the prominent constellation Orion. Then locate the bright red star Aldebaran. Orion’s Belt always points to Aldebaran. Then, generally extending that line takes you toward the Pleiades, or Seven Sisters.
Chart of Orion with a red arrow leading from Orion's Belt to Sirius.
Sirius is not only the brightest star in the constellation Canis Major the Greater Dog, it’s the brightest star in the sky. Plus, Sirius is a future pole star for the Southern Hemisphere. You can be sure you’re looking at the correct bright star by drawing a line from Orion’s Belt to Sirius. From the Southern Hemisphere, turn the chart upside down.

Have fun!

Bottom line: Use Orion’s Belt to find four bright stars – Betelgeuse and Rigel in Orion – Aldebaran in Taurus the Bull and Sirius in Canis Major.

EarthSky astronomy kits are perfect for beginners. Order today from the EarthSky store

Read more: Facts about Orion’s Belt Stars

Posted 
December 5, 2023
 in 
Sky Archive

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