Thank you everybody for comments so far.
Yep Les, with it having been greenish, not wholly wet and turned to finished at time, gave it a good coat of danish oil, refinished with oil after a final sanding that it stopped moving, from what the orientation had been it has moved by an 1/8" the wings were planed as being equal in height, was it worth the effort in setting out.
Below the log which yielded the piece, SB-2 picture long left curve as viewed.
Cheers Dewi