Betelgeuse is located in the constellation Orion, and from Earth, it appears in the northern hemisphere, specifically in the eastern part of the constellation Orion.

Here's a more detailed explanation:

* Orion: The constellation Orion is easily recognizable in the winter sky, with its distinct shape resembling a hunter.

* Betelgeuse: Betelgeuse is one of Orion's brightest stars, forming the star's left shoulder.

* Direction: If you are looking at the night sky, facing south, Betelgeuse will be on your right, towards the eastern part of the Orion constellation.

Remember: The exact position of Betelgeuse in the sky will vary depending on your location and the time of year. You can use a stargazing app or website to find its exact position.