Looks like an unfocused point light source. Anyone who has used a Newtonian reflector telescope is familiar with the fact that you can see your secondary mirror and vanes if you de-focus a bright star. The ‘arm’ holding the secondary mirror looks a little thick, though.

An example of what I’m talking about:

https://images.app.goo.gl/KAGTdU5fbd6Xmqhn9

I’m not saying it’s a Star, it might be an image of the object itself, but it looks unfocused to me.

Hmmmm

It’s a Open Saucer