Last night I successfully stacked 178 lights together with 60 darks, 20 flats and 100 bias in one single run.
I never got an error message, everything went smoothly. And it continued after the PC locked itself because I went to work.
I guess that this can count as a rather extensive test, no ? I think it is safe to say that this BPP Script is indeed very robust.
And I got a very nice image
Eddy
