* Constellations are groups of stars that form patterns in the night sky as seen from Earth.

* Andromeda is a spiral galaxy, similar to our Milky Way, located about 2.5 million light-years away.

It is impossible to count the exact number of stars in Andromeda, as it is vast and many are too faint to be seen. Estimates suggest Andromeda contains trillions of stars.

Perhaps you were thinking of a specific constellation that contains the star Andromeda? If you can tell me which constellation you're interested in, I can help you find more information about it!