Quote:
Originally Posted by Merlin66
Steven,
Hmmmm
Which alignment method did you use for the frames?
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Ken,
I used the align images option.
Like the other software packages I have tried for stacking and aligning spectra, if the imaging session is interrupted one needs to be careful in relocating the object in the same position on the chip, otherwise aligning images is not accurate.
The margin of error seems to be less for spectra than for deep sky objects.
Steven