About 15 or so hours with OSC.📷 IMG_8217.jpeg
I like it Paul. It does not appear to be over-cooked like so many others do to this.
Good job!
Usually, when the frames aren't aligning or the stacking is acting up like that, it’s just a tiny metadata error or a star detection threshold that's slightly off. Have you tried adjusting the noise reduction settings before the registration step? Sometimes a quick re-run with a different reference frame fixes those "ghost" artifacts too. Hope you get those images looking sharp!