Yup, those are fully open! Quack, quack!
I do like Stelis, they always have some cute blooms, at least the ones I had so far.
Jim, Stelis are Pleurothallids and I would stick Gongoras into the Stanhopea alliance. Now I really love Gongoras.....
Ahh I think I see what you are seeing - the pendulous chains.