Turaco under her new winter tarp (below), supported horizontally by the mast until I get around to fashioning supports for an old carbon fibre yard. As Matthew suggested, the towing net is rigged underneath, helping to keep the tarp off the woodwork and improve air circulation.
It arrived quickly from Gandhinagar, capital of the Indian state of Gujarat and was subtantially less expensive than some of the alternatives. The same company has made excellent dust covers for my large vintage US woodworking machines.