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Ok Rob, tried several times to stack on the comet , i'll keep trying.
I can do this in imagej, could have a useful macro at the end.
Even hard to do manual alignment, signal not to far out of noise levels, will need longer exposure time.
persevering...
Is there a similar grating with more lines same mounting , not to much more in price??
or it a slit type ( cost?)...
rgds, alan
Last edited by algwat; 15-12-2014 at 09:31 AM.
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