And congratulations for both your orchide and your pictures! They are great! No doubt they would improve with focus stacking, keeping more of the flower in focus, but I find the detail and lighting impressive.
My wife is in a similar tessiture: she expects to have an orchid blooming two years consecutively, first time in our live! We still need to wait for a while. Keep your fingers crossed for her!
If she succeed, I might try fous stacking on her orchid then