13/10/19 01:26:45.50 6n5n7Ax8i
There is no constellation called Betelgeuse.
Betelgeuse is red 1 grade star at the upper left of Orion.
A size is the maximum in the whole sky.
It is said that there is a diameter near the orbit of Jupiter.
It is one of the rare variable stars which can be seen with the naked eye.