Issue exporting plane texture

Blender 3.1.2

I have an issue to export the whole plane texture.
I just want the information of that plane. Please have look at the image.

My plane can have an arbitrary size, and it seems that when baking, it just uses the original size of the texture (1024x1024). I want what you see in the left (black holes with shadows and light baked), but for the whole plane with the parquet scaled as you can see in the right pane.

I modified the UV map and applied transform to my mesh but nothing will make it. The baked image is always too small.

So the resulting image must have the size of the plane.


I had to force mapping in the node editor. Resizing uv in edit mode was not sufficient