Looked everywhere for advice on retouching a lens speck but there's nothing out there or it's overkill.
It's on sky background and then on actor walking across scene, so trying to use clone stamp up until just before actor cuts across and then not quite sure what to do - another layer perhaps?
Also why does duration only go up to 999th frame?
perhaps a simple track then paste position into cc wire removal. I once made a preset that had two small cc wire removals in a cross formation controled by a null. Here's a project that demonstrates it