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Old 03-08-2007, 09:35 AM
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matt
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Join Date: Oct 2005
Location: Launceston, Australia
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Hope this isn't a dumb question, but I've noticed a different image size/scale when capturing Jupiter using the DMK and ToUcam.

I'm aware they've got the same CCD chip, so it's no-doubt the result of the distance of the chip from the barlow (I mostly use the 3x) caused by the slightly different size adaptors on both units and possibly the different positions/depth the chips are housed in their respective casings.

Given this small difference in image size or scale, how do you then make them the same size to combine in PS so the data lines up? In my case, how do I make the DMK mono/luminence channel the same size?

Is it just a case of resizing or increasing the scale of the DMK image in PS until it is close enough to the ToUcam colour channel? Or is there a more precise way of matching them?

Many thanks.
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