So far I've used my powermates just for planetary where I don't bother with a field flattener because the curvature over the width of a planet is likely to be negligible.
But say I want to try for a smaller DSO - planetary for example, or a galaxy, whatever...
Do you then need to put the field flattener back in there, or does the magnification flatten things enough since you're just seeing the centre of the field on your sensor?
And if you *do need your flattener, does the imaging train go Flattener - Powermate - OAG or Powermate - Flattener - OAG?
I feel like I *should know the answer, but I don't. Guess I could spend a couple of hours faffing and find out, but I'd rather not waste precious imaging time if someone here knows the answer straight up. Otherwise, a-faffing I will go.
Thanks
Markus