I always look like a cluster in the shape of Chinese characters every day. What's the name of this cluster?

The three stars in the middle are called Betelgeuse, and the other four form a quadrilateral. There is a dark red star in the corner, which is Betelgeuse, and the brighter one is Betelgeuse. There is also a very important way to judge: if it is dark and the surrounding lights are not very dazzling, you will see a nebula under the three stars, the Orion nebula, which plays an important role in astronomy.

In addition, according to Sirius, if there is a bright star around this constellation, it is Orion.

Look at the picture to confirm:

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