Thread: PHD for Spectroscopy
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Old 08-10-2010, 06:46 PM
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higginsdj
A Lazy Astronomer

higginsdj is offline 		 
Join Date: Mar 2006
Location: Canberra
Posts: 614
OK back to basics - how do I know where in the image the slit is positioned?

Obviously you must know where it is to put the reticle there but I can't see it!

Cheers
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